pip install --upgrade pip pip install git+https://github.com/Gallopsled/pwntools#egg=pwntools pip install --upgrade capstone pip install pycrypto ecdsa gevent
root@pwn ~ # cyclic 200 | nc 127.0.0.1 4000 qemu: uncaught target signal 11 (Segmentation fault) - core dumped root@pwn ~ # cyclic -l 0x62616173 172