Run basic functions from stripped binaries cross platform
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A small library that allows you to run basic functions from stripped binaries cross platform



This library is designed for you to be able to quickly call functions from a stripped binary. All you need is the file name, the function offset, and the function signature. You can get these by reverse engineering the binary in IDA or Binary Ninja.

void *import(char *file, size_t offset)

#include "ctf_import.h"

int main() {
    int (* fib)(int);
    // a.out is a binary with a fibonacci function at offset 0xf00
    fib = (int (*)(int)) import("a.out", 0xf00);
    printf("%d %d %d %d %d\n", fib(1), fib(2), fib(3), fib(4), fib(5));

To compile:

$ gcc example.c ctf_import.c -o example
$ ./example
> 1 1 2 3 5


Although the code will run "cross-OS", it will not run cross architecture. Additionally, this does not handle syscalls and anything that interacts with globals.