mirror of
https://github.com/PowerShellMafia/PowerSploit
synced 2026-06-08 12:13:33 +00:00
Matt Graeber
55a6dbd019
Get-ObjDump parses and return information about one or more Windows object files. It is similar to dumpbin but it returns objects!
708 lines
27 KiB
PowerShell
708 lines
27 KiB
PowerShell
function Get-ObjDump
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{
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<#
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.SYNOPSIS
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Displays information about one or more Windows object files.
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PowerSploit Function: Get-ObjDump
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Author: Matthew Graeber (@mattifestation)
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License: BSD 3-Clause
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Required Dependencies: None
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Optional Dependencies: None
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.DESCRIPTION
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Get-ObjDump parses and returns nearly identical infomation as the dumpbin
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utility. By nature of Get-ObjDump returning objects though, it lends itself
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much better to manipulation since every field is an object.
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.PARAMETER Path
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Specifies a path to one or more object file locations.
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.EXAMPLE
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C:\PS>Get-ObjDump -Path main.obj
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.EXAMPLE
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C:\PS>ls *.obj | Get-ObjDump
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.EXAMPLE
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C:\PS>$ObjectFile = Get-ObjDump -Path shellcode.obj
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C:\PS>$CodeBytes = $ObjectFile.SectionHeaders | ? {$_.Name -eq '.text'} | % {$_.RawData}
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Description
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-----------
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Pulls the raw bytes out of the text section. Note that in this form,
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no relocations have been fixed up.
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.INPUTS
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System.String[]
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You can pipe a file system path (in quotation marks) to Get-ObjDump.
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.OUTPUTS
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COFF.OBJECT_FILE
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.LINK
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http://www.exploit-monday.com/
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#>
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[CmdletBinding()] Param (
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[Parameter(Position = 0, Mandatory = $True, ValueFromPipeline = $True)]
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[ValidateScript({ Test-Path $_ })]
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[String[]]
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$Path
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)
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BEGIN
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{
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$Code = @'
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using System;
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using System.IO;
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using System.Text;
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namespace COFF
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{
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public enum Machine : ushort
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{
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UNKNOWN = 0,
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I386 = 0x014C, // Intel 386.
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R3000 = 0x0162, // MIPS little-endian =0x160 big-endian
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R4000 = 0x0166, // MIPS little-endian
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R10000 = 0x0168, // MIPS little-endian
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WCEMIPSV2 = 0x0169, // MIPS little-endian WCE v2
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ALPHA = 0x0184, // Alpha_AXP
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SH3 = 0x01A2, // SH3 little-endian
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SH3DSP = 0x01A3,
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SH3E = 0x01A4, // SH3E little-endian
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SH4 = 0x01A6, // SH4 little-endian
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SH5 = 0x01A8, // SH5
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ARM = 0x01C0, // ARM Little-Endian
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THUMB = 0x01C2,
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ARMV7 = 0x01C4, // ARM Thumb-2 Little-Endian
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AM33 = 0x01D3,
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POWERPC = 0x01F0, // IBM PowerPC Little-Endian
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POWERPCFP = 0x01F1,
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IA64 = 0x0200, // Intel 64
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MIPS16 = 0x0266, // MIPS
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ALPHA64 = 0x0284, // ALPHA64
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MIPSFPU = 0x0366, // MIPS
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MIPSFPU16 = 0x0466, // MIPS
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AXP64 = ALPHA64,
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TRICORE = 0x0520, // Infineon
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CEF = 0x0CEF,
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EBC = 0x0EBC, // EFI public byte Code
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AMD64 = 0x8664, // AMD64 (K8)
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M32R = 0x9041, // M32R little-endian
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ARM64 = 0xAA64, // ARMv8 in 64-bit mode
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CEE = 0xC0EE
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}
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[Flags]
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public enum CoffHeaderCharacteristics : ushort
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{
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RELOCS_STRIPPED = 0x0001, // Relocation info stripped from file.
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EXECUTABLE_IMAGE = 0x0002, // File is executable (i.e. no unresolved external references).
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LINE_NUMS_STRIPPED = 0x0004, // Line nunbers stripped from file.
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LOCAL_SYMS_STRIPPED = 0x0008, // Local symbols stripped from file.
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AGGRESIVE_WS_TRIM = 0x0010, // Agressively trim working set
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LARGE_ADDRESS_AWARE = 0x0020, // App can handle >2gb addresses
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REVERSED_LO = 0x0080, // public bytes of machine public ushort are reversed.
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BIT32_MACHINE = 0x0100, // 32 bit public ushort machine.
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DEBUG_STRIPPED = 0x0200, // Debugging info stripped from file in .DBG file
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REMOVABLE_RUN_FROM_SWAP = 0x0400, // If Image is on removable media =copy and run from the swap file.
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NET_RUN_FROM_SWAP = 0x0800, // If Image is on Net =copy and run from the swap file.
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SYSTEM = 0x1000, // System File.
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DLL = 0x2000, // File is a DLL.
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UP_SYSTEM_ONLY = 0x4000, // File should only be run on a UP machine
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REVERSED_HI = 0x8000 // public bytes of machine public ushort are reversed.
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}
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public class HEADER
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{
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public Machine Machine;
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public ushort NumberOfSections;
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public DateTime TimeDateStamp;
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public uint PointerToSymbolTable;
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public uint NumberOfSymbols;
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public ushort SizeOfOptionalHeader;
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public CoffHeaderCharacteristics Characteristics;
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public HEADER(BinaryReader br)
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{
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this.Machine = (Machine) br.ReadUInt16();
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this.NumberOfSections = br.ReadUInt16();
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this.TimeDateStamp = (new DateTime(1970, 1, 1, 0, 0, 0)).AddSeconds(br.ReadUInt32());
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this.PointerToSymbolTable = br.ReadUInt32();
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this.NumberOfSymbols = br.ReadUInt32();
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this.SizeOfOptionalHeader = br.ReadUInt16();
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this.Characteristics = (CoffHeaderCharacteristics) br.ReadUInt16();
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}
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}
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[Flags]
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public enum SectionHeaderCharacteristics : uint
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{
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TYPE_NO_PAD = 0x00000008, // Reserved.
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CNT_CODE = 0x00000020, // Section contains code.
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CNT_INITIALIZED_DATA = 0x00000040, // Section contains initialized data.
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CNT_UNINITIALIZED_DATA = 0x00000080, // Section contains uninitialized data.
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LNK_INFO = 0x00000200, // Section contains comments or some other type of information.
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LNK_REMOVE = 0x00000800, // Section contents will not become part of image.
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LNK_COMDAT = 0x00001000, // Section contents comdat.
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NO_DEFER_SPEC_EXC = 0x00004000, // Reset speculative exceptions handling bits in the TLB entries for this section.
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GPREL = 0x00008000, // Section content can be accessed relative to GP
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MEM_FARDATA = 0x00008000,
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MEM_PURGEABLE = 0x00020000,
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MEM_16BIT = 0x00020000,
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MEM_LOCKED = 0x00040000,
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MEM_PRELOAD = 0x00080000,
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ALIGN_1BYTES = 0x00100000,
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ALIGN_2BYTES = 0x00200000,
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ALIGN_4BYTES = 0x00300000,
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ALIGN_8BYTES = 0x00400000,
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ALIGN_16BYTES = 0x00500000, // Default alignment if no others are specified.
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ALIGN_32BYTES = 0x00600000,
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ALIGN_64BYTES = 0x00700000,
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ALIGN_128BYTES = 0x00800000,
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ALIGN_256BYTES = 0x00900000,
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ALIGN_512BYTES = 0x00A00000,
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ALIGN_1024BYTES = 0x00B00000,
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ALIGN_2048BYTES = 0x00C00000,
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ALIGN_4096BYTES = 0x00D00000,
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ALIGN_8192BYTES = 0x00E00000,
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ALIGN_MASK = 0x00F00000,
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LNK_NRELOC_OVFL = 0x01000000, // Section contains extended relocations.
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MEM_DISCARDABLE = 0x02000000, // Section can be discarded.
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MEM_NOT_CACHED = 0x04000000, // Section is not cachable.
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MEM_NOT_PAGED = 0x08000000, // Section is not pageable.
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MEM_SHARED = 0x10000000, // Section is shareable.
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MEM_EXECUTE = 0x20000000, // Section is executable.
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MEM_READ = 0x40000000, // Section is readable.
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MEM_WRITE = 0x80000000 // Section is writeable.
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}
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public enum AMD64RelocationType : ushort
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{
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ABSOLUTE,
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ADDR64,
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ADDR32,
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ADDR32NB,
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REL32,
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REL32_1,
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REL32_2,
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REL32_3,
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REL32_4,
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REL32_5,
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SECTION,
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SECREL,
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SECREL7,
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TOKEN,
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SREL32,
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PAIR,
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SSPAN32
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}
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public enum ARMRelocationType : ushort
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{
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ABSOLUTE,
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ADDR32,
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ADDR32NB,
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BRANCH24,
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BRANCH11,
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TOKEN,
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BLX24 = 0x08,
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BLX11 = 0x09,
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SECTION = 0x0E,
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SECREL = 0x0F,
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MOV32A = 0x10,
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MOV32T = 0x11,
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BRANCH20T = 0x12,
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BRANCH24T = 0x14,
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BLX23T = 0x15
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}
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public enum ARMv8RelocationType : ushort
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{
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ABSOLUTE,
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ADDR32,
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ADDR32NB,
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BRANCH26,
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PAGEBASE_REL21,
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REL21,
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PAGEOFFSET_12A,
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PAGEOFFSET_12L,
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SECREL,
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SECREL_LOW12A,
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SECREL_HIGH12A,
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SECREL_LOW12L,
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TOKEN,
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SECTION,
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ADDR64
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}
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public enum X86RelocationType : ushort
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{
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ABSOLUTE,
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DIR16,
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DIR32 = 0x06,
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DIR32NB = 0x07,
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SEG12 = 0x09,
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SECTION = 0x0A,
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SECREL = 0x0B,
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TOKEN = 0x0C,
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SECREL7 = 0x0D,
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REL32 = 0x14
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}
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public class RelocationEntry
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{
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public uint VirtualAddress;
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public uint SymbolTableIndex;
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public Enum Type;
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public string Name;
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public RelocationEntry(BinaryReader br)
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{
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this.VirtualAddress = br.ReadUInt32();
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this.SymbolTableIndex = br.ReadUInt32();
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// Default to X86RelocationType. This will be changed once the processor type is determined
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this.Type = (X86RelocationType) br.ReadUInt16();
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}
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}
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public class SECTION_HEADER
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{
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public string Name;
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public uint PhysicalAddress;
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public uint VirtualSize;
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public uint VirtualAddress;
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public uint SizeOfRawData;
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public uint PointerToRawData;
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public uint PointerToRelocations;
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public uint PointerToLinenumbers;
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public ushort NumberOfRelocations;
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public ushort NumberOfLinenumbers;
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public SectionHeaderCharacteristics Characteristics;
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public Byte[] RawData;
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public RelocationEntry[] Relocations;
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public SECTION_HEADER(BinaryReader br)
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{
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this.Name = Encoding.UTF8.GetString(br.ReadBytes(8)).Split((Char) 0)[0];
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this.PhysicalAddress = br.ReadUInt32();
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this.VirtualSize = this.PhysicalAddress;
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this.VirtualAddress = br.ReadUInt32();
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this.SizeOfRawData = br.ReadUInt32();
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this.PointerToRawData = br.ReadUInt32();
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this.PointerToRelocations = br.ReadUInt32();
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this.PointerToLinenumbers = br.ReadUInt32();
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this.NumberOfRelocations = br.ReadUInt16();
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this.NumberOfLinenumbers = br.ReadUInt16();
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this.Characteristics = (SectionHeaderCharacteristics) br.ReadUInt32();
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}
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}
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public enum SectionNumber : short
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{
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UNDEFINED,
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ABSOLUTE = -1,
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DEBUG = -2
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}
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[Flags]
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public enum TypeClass : short
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{
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TYPE_NULL,
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TYPE_VOID,
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TYPE_CHAR,
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TYPE_SHORT,
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TYPE_INT,
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TYPE_LONG,
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TYPE_FLOAT,
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TYPE_DOUBLE,
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TYPE_STRUCT,
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TYPE_UNION,
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TYPE_ENUM,
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TYPE_MOE,
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TYPE_BYTE,
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TYPE_WORD,
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TYPE_UINT,
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TYPE_DWORD,
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DTYPE_POINTER = 0x100,
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DTYPE_FUNCTION = 0x200,
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DTYPE_ARRAY = 0x300,
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DTYPE_NULL = 0x400 // Technically, this is defined as 0 in the MSB
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}
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public enum StorageClass : byte
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{
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NULL,
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AUTOMATIC,
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EXTERNAL,
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STATIC,
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REGISTER,
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EXTERNAL_DEF,
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LABEL,
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UNDEFINED_LABEL,
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MEMBER_OF_STRUCT,
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ARGUMENT,
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STRUCT_TAG,
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MEMBER_OF_UNION,
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UNION_TAG,
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TYPE_DEFINITION,
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ENUM_TAG,
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MEMBER_OF_ENUM,
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REGISTER_PARAM,
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BIT_FIELD,
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BLOCK = 0x64,
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FUNCTION = 0x65,
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END_OF_STRUCT = 0x66,
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FILE = 0x67,
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SECTION = 0x68,
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WEAK_EXTERNAL = 0x69,
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CLR_TOKEN = 0x6B,
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END_OF_FUNCTION = 0xFF
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}
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public class SYMBOL_TABLE
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{
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public string Name;
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public uint Value;
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public SectionNumber SectionNumber;
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public TypeClass Type;
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public StorageClass StorageClass;
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public byte NumberOfAuxSymbols;
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public Object AuxSymbols;
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private Byte[] NameArray;
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public SYMBOL_TABLE(BinaryReader br)
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{
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this.NameArray = br.ReadBytes(8);
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if (this.NameArray[0] == 0 && this.NameArray[1] == 0 &&this.NameArray[2] == 0 &&this.NameArray[3] == 0)
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{
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// Per specification, if the high DWORD is 0, then then low DWORD is an index into the string table
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this.Name = "/" + BitConverter.ToInt32(NameArray, 4).ToString();
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}
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else
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{
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this.Name = Encoding.UTF8.GetString(NameArray).Trim(((char) 0));
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}
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this.Value = br.ReadUInt32();
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this.SectionNumber = (SectionNumber) br.ReadInt16();
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this.Type = (TypeClass) br.ReadInt16();
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if ((((int) this.Type) & 0xff00) == 0) { this.Type = (TypeClass) Enum.Parse(typeof(TypeClass), ((int) this.Type | 0x400).ToString());}
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this.StorageClass = (StorageClass) br.ReadByte();
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this.NumberOfAuxSymbols = br.ReadByte();
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}
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}
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public class SECTION_DEFINITION
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{
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public uint Length;
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public ushort NumberOfRelocations;
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public ushort NumberOfLinenumbers;
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public uint CheckSum;
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public ushort Number;
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public byte Selection;
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public SECTION_DEFINITION(BinaryReader br)
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{
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this.Length = br.ReadUInt32();
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this.NumberOfRelocations = br.ReadUInt16();
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this.NumberOfLinenumbers = br.ReadUInt16();
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this.CheckSum = br.ReadUInt32();
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this.Number = br.ReadUInt16();
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this.Selection = br.ReadByte();
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br.ReadBytes(3);
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}
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}
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}
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'@
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Add-Type -TypeDefinition $Code
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function Dispose-Objects
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{
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$BinaryReader.Dispose()
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$FileStream.Dispose()
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}
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}
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PROCESS
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{
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foreach ($File in $Path) {
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# Resolve the absolute path of the object file. [IO.File]::OpenRead requires an absolute path.
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$ObjFilePath = Resolve-Path $File
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# Pull out just the file name
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$ObjFileName = Split-Path $ObjFilePath -Leaf
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# Fixed structure sizes
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$SizeofCOFFFileHeader = 20
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$SizeofSectionHeader = 40
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$SizeofSymbolTableEntry = 18
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$SizeofRelocationEntry = 10
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# Open the object file for reading
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$FileStream = [IO.File]::OpenRead($ObjFilePath)
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$FileLength = $FileStream.Length
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if ($FileLength -lt $SizeofCOFFFileHeader)
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{
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# You cannot parse the COFF header if the file is not big enough to contain a COFF header.
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Write-Error "$($ObjFileName) is too small to store a COFF header."
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Dispose-Objects
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return
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}
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# Open a BinaryReader object for the object file
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$BinaryReader = New-Object IO.BinaryReader($FileStream)
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# Parse the COFF header
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$CoffHeader = New-Object COFF.HEADER($BinaryReader)
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if ($CoffHeader.SizeOfOptionalHeader -ne 0)
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{
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# Per the PECOFF specification, an object file does not have an optional header
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Write-Error "Coff header indicates the existence of an optional header. An object file cannot have an optional header."
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Dispose-Objects
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return
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}
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if ($CoffHeader.PointerToSymbolTable -eq 0)
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{
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Write-Error 'An object file is supposed to have a symbol table.'
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Dispose-Objects
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return
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}
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if ($FileLength -lt (($CoffHeader.NumberOfSections * $SizeofSectionHeader) + $SizeofCOFFFileHeader))
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{
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# The object file isn't big enough to store the number of sections present.
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Write-Error "$($ObjFileName) is too small to store section header data."
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Dispose-Objects
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return
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}
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# A string collection used to store section header names. This collection is referenced while
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# parsing the symbol table entries whose name is the same as the section header. In this case,
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# the symbol entry will have a particular auxiliary symbol table entry.
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$SectionHeaderNames = New-Object Collections.Specialized.StringCollection
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# Correlate the processor type to the relocation type. There are more relocation type defined
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# in the PECOFF specification, but I don't expect those to be present. In that case, relocation
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# entries default to X86RelocationType.
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$SectionHeaders = New-Object COFF.SECTION_HEADER[]($CoffHeader.NumberOfSections)
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$MachineTypes = @{ [COFF.Machine]::I386 = [COFF.X86RelocationType]
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[COFF.Machine]::AMD64 = [COFF.AMD64RelocationType]
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[COFF.Machine]::ARMV7 = [COFF.ARMRelocationType]
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[COFF.Machine]::ARM64 = [COFF.ARMv8RelocationType] }
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# Parse section headers
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for ($i = 0; $i -lt $CoffHeader.NumberOfSections; $i++)
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{
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$SectionHeaders[$i] = New-Object COFF.SECTION_HEADER($BinaryReader)
|
|
|
|
# Add the section name to the string collection. This will be referenced during symbol table parsing.
|
|
$SectionHeaderNames.Add($SectionHeaders[$i].Name) | Out-Null
|
|
|
|
# Save the current filestream position. We are about to jump out of place.
|
|
$SavedFilePosition = $FileStream.Position
|
|
|
|
# Check to see if the raw data points beyond the actual file size
|
|
if (($SectionHeaders[$i].PointerToRawData + $SectionHeaders[$i].SizeOfRawData) -gt $FileLength)
|
|
{
|
|
Write-Error "$($SectionHeaders[$i].Name) section header's raw data exceeds the size of the object file."
|
|
return
|
|
}
|
|
else
|
|
{
|
|
# Read the raw data into a byte array
|
|
$FileStream.Seek($SectionHeaders[$i].PointerToRawData, 'Begin') | Out-Null
|
|
$SectionHeaders[$i].RawData = $BinaryReader.ReadBytes($SectionHeaders[$i].SizeOfRawData)
|
|
}
|
|
|
|
# Check to see if the section has a relocation table
|
|
if ($SectionHeaders[$i].PointerToRelocations -and $SectionHeaders[$i].NumberOfRelocations)
|
|
{
|
|
# Check to see if the relocation entries point beyond the actual file size
|
|
if (($SectionHeaders[$i].PointerToRelocations + ($SizeofRelocationEntry * $SectionHeaders[$i].NumberOfRelocations)) -gt $FileLength)
|
|
{
|
|
Write-Error "$($SectionHeaders[$i].Name) section header's relocation entries exceeds the soze of the object file."
|
|
return
|
|
}
|
|
|
|
$FileStream.Seek($SectionHeaders[$i].PointerToRelocations, 'Begin') | Out-Null
|
|
|
|
$Relocations = New-Object COFF.RelocationEntry[]($SectionHeaders[$i].NumberOfRelocations)
|
|
|
|
for ($j = 0; $j -lt $SectionHeaders[$i].NumberOfRelocations; $j++)
|
|
{
|
|
$Relocations[$j] = New-Object COFF.RelocationEntry($BinaryReader)
|
|
# Cast the relocation as its respective type
|
|
$Relocations[$j].Type = ($Relocations[$j].Type.value__ -as $MachineTypes[$CoffHeader.Machine])
|
|
}
|
|
|
|
# Add the relocation table entry to the section header
|
|
$SectionHeaders[$i].Relocations = $Relocations
|
|
}
|
|
|
|
# Restore the original filestream pointer
|
|
$FileStream.Seek($SavedFilePosition, 'Begin') | Out-Null
|
|
}
|
|
|
|
# Retrieve the contents of the COFF string table
|
|
$SymTableSize = $CoffHeader.NumberOfSymbols * $SizeofSymbolTableEntry
|
|
$StringTableOffset = $CoffHeader.PointerToSymbolTable + $SymTableSize
|
|
|
|
if ($StringTableOffset -gt $FileLength)
|
|
{
|
|
Write-Error 'The string table points beyond the end of the file.'
|
|
Dispose-Objects
|
|
return
|
|
}
|
|
|
|
$FileStream.Seek($StringTableOffset, 'Begin') | Out-Null
|
|
$StringTableLength = $BinaryReader.ReadUInt32()
|
|
|
|
if ($StringTableLength -gt $FileLength)
|
|
{
|
|
Write-Error "The string table's length exceeds the length of the file."
|
|
Dispose-Objects
|
|
return
|
|
}
|
|
|
|
$StringTable = [Text.Encoding]::UTF8.GetString($BinaryReader.ReadBytes($StringTableLength))
|
|
|
|
$RawSymbolTable = New-Object COFF.SYMBOL_TABLE[]($CoffHeader.NumberOfSymbols)
|
|
|
|
# Retrieve the symbol table
|
|
if ($FileLength -lt $StringTableOffset)
|
|
{
|
|
"Symbol table is larger than the file size."
|
|
return
|
|
}
|
|
|
|
$FileStream.Seek($CoffHeader.PointerToSymbolTable, 'Begin') | Out-Null
|
|
$NumberofRegularSymbols = 0
|
|
|
|
<#
|
|
Go through each symbol table looking for auxiliary symbols to parse
|
|
|
|
Currently supported auxiliary symbol table entry formats:
|
|
1) .file
|
|
2) Entry names that match the name of a section header
|
|
#>
|
|
for ($i = 0; $i -lt $CoffHeader.NumberOfSymbols; $i++)
|
|
{
|
|
# Parse the symbol tables regardless of whether they are normal or auxiliary symbols
|
|
$RawSymbolTable[$i] = New-Object COFF.SYMBOL_TABLE($BinaryReader)
|
|
|
|
if ($RawSymbolTable[$i].NumberOfAuxSymbols -eq 0)
|
|
{
|
|
# This symbol table entry has no auxiliary symbols
|
|
$NumberofRegularSymbols++
|
|
}
|
|
elseif ($RawSymbolTable[$i].Name -eq '.file')
|
|
{
|
|
$TempPosition = $FileStream.Position # Save filestream position
|
|
# Retrieve the file name
|
|
$RawSymbolTable[$i].AuxSymbols = [Text.Encoding]::UTF8.GetString($BinaryReader.ReadBytes($RawSymbolTable[$i].NumberOfAuxSymbols * $SizeofSymbolTableEntry)).TrimEnd(([Char] 0))
|
|
$FileStream.Seek($TempPosition, 'Begin') | Out-Null # Restore filestream position
|
|
}
|
|
elseif ($SectionHeaderNames.Contains($RawSymbolTable[$i].Name))
|
|
{
|
|
$TempPosition = $FileStream.Position # Save filestream position
|
|
$RawSymbolTable[$i].AuxSymbols = New-Object COFF.SECTION_DEFINITION($BinaryReader)
|
|
$FileStream.Seek($TempPosition, 'Begin') | Out-Null # Restore filestream position
|
|
}
|
|
}
|
|
|
|
# Create an array of symbol table entries without auxiliary table entries
|
|
$SymbolTable = New-Object COFF.SYMBOL_TABLE[]($NumberofRegularSymbols)
|
|
$j = 0
|
|
|
|
for ($i = 0; $i -lt $CoffHeader.NumberOfSymbols; $i++)
|
|
{
|
|
$SymbolTable[$j] = $RawSymbolTable[$i] # FYI, the first symbol table entry will never be an aux symbol
|
|
$j++
|
|
|
|
# Skip over the auxiliary symbols
|
|
if ($RawSymbolTable[$i].NumberOfAuxSymbols -ne 0)
|
|
{
|
|
$i += $RawSymbolTable[$i].NumberOfAuxSymbols
|
|
}
|
|
}
|
|
|
|
# Dispose the binaryreader and filestream objects
|
|
Dispose-Objects
|
|
|
|
# Fix the section names if any of them point to the COFF string table
|
|
for ($i = 0; $i -lt $CoffHeader.NumberOfSections; $i++)
|
|
{
|
|
if ($SectionHeaders[$i].Name.IndexOf('/') -eq 0)
|
|
{
|
|
$StringTableIndex = $SectionHeaders[$i].Name.SubString(1)
|
|
|
|
if ($StringTableIndex -match '^[1-9][0-9]*$')
|
|
{
|
|
$StringTableIndex = ([Int] $StringTableIndex) - 4
|
|
|
|
if ($StringTableIndex -gt ($StringTableLength + 4))
|
|
{
|
|
Write-Error 'String table entry exceeds the bounds of the object file.'
|
|
}
|
|
|
|
$Length = $StringTable.IndexOf(([Char] 0), $StringTableIndex)
|
|
$SectionHeaders[$i].Name = $StringTable.Substring($StringTableIndex, $Length)
|
|
}
|
|
}
|
|
}
|
|
|
|
# Fix the symbol table names
|
|
for ($i = 0; $i -lt $SymbolTable.Length; $i++)
|
|
{
|
|
if ($SymbolTable[$i].Name.IndexOf('/') -eq 0)
|
|
{
|
|
$StringTableIndex = $SymbolTable[$i].Name.SubString(1)
|
|
|
|
if ($StringTableIndex -match '^[1-9][0-9]*$')
|
|
{
|
|
$StringTableIndex = ([Int] $StringTableIndex) - 4
|
|
$Length = $StringTable.IndexOf(([Char] 0), $StringTableIndex) - $StringTableIndex
|
|
$SymbolTable[$i].Name = $StringTable.Substring($StringTableIndex, $Length)
|
|
}
|
|
}
|
|
}
|
|
|
|
# Apply symbol names to the relocation entries
|
|
$SectionHeaders | Where-Object { $_.Relocations } | % {
|
|
$_.Relocations | % { $_.Name = $RawSymbolTable[$_.SymbolTableIndex].Name }
|
|
}
|
|
|
|
$Result = @{
|
|
COFFHeader = $CoffHeader
|
|
SectionHeaders = $SectionHeaders
|
|
SymbolTable = $SymbolTable
|
|
}
|
|
|
|
$ParsedObjectFile = New-Object PSObject -Property $Result
|
|
$ParsedObjectFile.PSObject.TypeNames[0] = 'COFF.OBJECT_FILE'
|
|
Write-Output $ParsedObjectFile
|
|
|
|
}
|
|
}
|
|
|
|
END {}
|
|
} |