dataflow.py

import os, socket, subprocess, urllib.request

def credential_to_network():
    secret = os.environ.get("AWS_SECRET_ACCESS_KEY")
    s = socket.socket()
    try:
        s.send(secret.encode() if secret else b"")
    finally:
        s.close()

def file_to_network():
    data = open("/etc/passwd", "r", encoding="utf-8").read()
    s = socket.socket()
    try:
        s.send(data.encode())
    finally:
        s.close()

def network_to_exec():
    data = urllib.request.urlopen("http://127.0.0.1:9", timeout=0.01).read().decode()
    subprocess.run(data, shell=True, check=False)