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Linux process injection

About

Inject shared object files into running processes.

Uses ptrace to interact with the running target process. Overwrites (and restores) instructions to either call dlopen or __libc_dlopen_mode from within the target process.

Example usage

use so_injection;

fn main() {
    let so_path = "path_to_shared_object";
    so_injection::inject_by_name("top", so_path);

    // or by pid:
    so_injection::inject_by_pid(1337, so_path);
}

To do

• Injection into (some?) multithreaded processes fails… Needs investigation

Credits

• https://github.com/antifob/linux-prinj/blob/main/17-solib/inject.py
• https://github.com/gaffe23/linux-inject/tree/master
• https://blog.f0b.org/2022/05/process-injection-on-linux-injecting-into-processes/