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testsuite.py
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import subprocess
import sys
import os
import logging
import json
import shutil
import time
import pyshark
from netfilterqueue import NetfilterQueue
from scapy.all import IP, UDP, Packet
from cleanup import remove_log_files # Import the function from cleanup.py
import multiprocessing
# Set up logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
# Global variable to store results as a string
nonprobing_frames = {"PATH_CHALLENGE", "PATH_RESPONSE", "NEW_CONNECTION_ID", "PADDING"}
results_string = ""
address_validation_token = ""
tshark_sniff_command = [
'tshark', '-i', 'lo', '-f', 'udp port 5555', '-w', './capture.pcap'
]
DNS_server_IP = '8.8.8.8'
port_services = {
7: "Echo Protocol",
9: "Discard Protocol",
11: "Active Users (systat service)",
13: "Daytime Protocol",
17: "Quote of the Day (QOTD)",
18: "Message Send Protocol",
19: "Character Generator Protocol (CHARGEN)",
37: "Time Protocol",
42: "Host Name Server Protocol",
49: "TACACS Login Host protocol",
53: "Domain Name System (DNS)",
67: "Bootstrap Protocol (BOOTP) server / DHCP",
68: "Bootstrap Protocol (BOOTP) client / DHCP",
69: "Trivial File Transfer Protocol (TFTP)",
71: "NETRJS protocol",
72: "NETRJS protocol",
73: "NETRJS protocol",
74: "NETRJS protocol",
80: "Hypertext Transfer Protocol (HTTP)",
88: "Kerberos",
104: "DICOM (Digital Imaging and Communications in Medicine)",
105: "CCSO Nameserver",
107: "Remote User Telnet Service (RTelnet)",
108: "IBM Systems Network Architecture (SNA) gateway access",
111: "Open Network Computing RPC (ONC RPC / Sun RPC)",
112: "McIDAS Data Transmission Protocol",
117: "UUCP Mapping Project (path service)",
118: "SQL Services",
123: "Network Time Protocol (NTP)",
126: "NXEdit (Unisys Programmer's Workbench)",
135: "DCE endpoint resolution / Microsoft EPMAP",
137: "NetBIOS Name Service",
138: "NetBIOS Datagram Service",
152: "Background File Transfer Program (BFTP)",
153: "Simple Gateway Monitoring Protocol (SGMP)",
156: "SQL Service",
158: "Distributed Mail System Protocol (DMSP)",
161: "Simple Network Management Protocol (SNMP)",
162: "SNMP Trap (SNMPTRAP)",
170: "Network PostScript print server",
177: "X Display Manager Control Protocol (XDMCP)",
194: "Internet Relay Chat (IRC)",
199: "SNMP Unix Multiplexer (SMUX)",
201: "AppleTalk Routing Maintenance",
210: "ANSI Z39.50",
213: "Internetwork Packet Exchange (IPX)",
218: "Message Posting Protocol (MPP)",
220: "Internet Message Access Protocol (IMAP) v3",
259: "Efficient Short Remote Operations (ESRO)",
262: "Arcisdms",
264: "Border Gateway Multicast Protocol (BGMP)",
280: "http-mgmt",
318: "PKIX Time Stamp Protocol (TSP)",
319: "Precision Time Protocol (PTP) event messages",
320: "Precision Time Protocol (PTP) general messages",
350: "MATIP type A",
351: "MATIP type B",
356: "Cloanto Amiga Explorer",
366: "On-Demand Mail Relay (ODMR)",
369: "Rpc2portmap",
370: "codaauth2 / securecast1",
371: "ClearCase albd",
376: "Amiga Envoy Network Inquiry Protocol",
383: "HP Data Alarm Manager",
384: "Remote Network Server System",
387: "AURP (AppleTalk Update-based Routing Protocol)",
399: "DECnet+ (Phase V) over TCP/IP",
401: "Uninterruptible Power Supply (UPS)",
427: "Service Location Protocol (SLP)",
433: "NNTP (Network News Transfer Protocol)",
434: "Mobile IP Agent",
443: "HTTPS (Hypertext Transfer Protocol Secure)",
444: "Simple Network Paging Protocol (SNPP)",
445: "Microsoft-DS (Active Directory / Windows shares)",
464: "Kerberos Change/Set password",
475: "tcpnethaspsrv (Aladdin Hasp services)",
497: "Retrospect",
500: "ISAKMP / IKE (Internet Key Exchange)",
502: "Modbus Protocol",
504: "Citadel multiservice protocol",
510: "FirstClass Protocol (FCP)",
512: "comsat / biff",
513: "Who",
514: "Syslog",
517: "Talk",
518: "NTalk",
520: "Routing Information Protocol (RIP)",
521: "RIPng (Routing Information Protocol Next Generation)",
524: "NetWare Core Protocol (NCP)",
525: "Timed (Timeserver)",
530: "Remote Procedure Call (RPC)",
533: "netwall (emergency broadcasts)",
542: "Commerce Applications",
546: "DHCPv6 client",
547: "DHCPv6 server",
550: "new-rwho / new-who",
554: "Real Time Streaming Protocol (RTSP)",
560: "rmonitor (Remote Monitor)",
561: "monitor",
563: "NNTP over TLS/SSL (NNTPS)",
593: "HTTP RPC Ep Map",
623: "ASF-RMCP / IPMI Remote Management Protocol",
631: "Internet Printing Protocol (IPP)",
635: "RLZ DBase",
639: "Multicast Source Discovery Protocol (MSDP)",
641: "SupportSoft Nexus Remote Command (control)",
643: "SANity",
646: "Label Distribution Protocol (LDP)",
651: "IEEE-MMS",
653: "SupportSoft Nexus Remote Command (data)",
655: "Tinc VPN daemon",
657: "IBM RMC Protocol",
666: "Doom",
684: "CORBA IIOP SSL",
688: "REALM-RUSD",
690: "Velneo Application Transfer Protocol (VATP)",
694: "Linux-HA heartbeat",
698: "Optimized Link State Routing (OLSR)",
749: "Kerberos administration",
750: "Kerberos version IV",
753: "Reverse Routing Header (RRH)",
754: "tell send",
800: "mdbs-daemon",
802: "MODBUS/TCP Security",
830: "NETCONF over SSH",
831: "NETCONF over BEEP",
832: "NETCONF for SOAP over HTTPS",
833: "NETCONF for SOAP over BEEP",
848: "Group Domain Of Interpretation (GDOI)",
853: "DNS over QUIC / DNS over DTLS",
861: "OWAMP control",
862: "TWAMP control",
989: "FTPS (data)",
990: "FTPS (control)",
991: "Netnews Administration System (NAS)",
992: "Telnet over TLS/SSL",
995: "POP3S (Post Office Protocol 3 over TLS/SSL)"
}
port_services_iterable = iter(port_services.keys())
def append_to_results(result):
global results_string
results_string += result + "\n"
# The following variables and function are taken and adapted from from vnrf_payload_dns.py by Yurigbur
# GitHub: https://github.com/yurigbur/QUICforge/blob/main/vnrf_payload_dns.py
def create_payload(host, n_supported_versions):
SCID_TMPL = b'\x00\x00\x00\x00\x00\x01'
PAD = b'\x00\x00\x01\x00\x01'
labels = host.split(".")
scid = SCID_TMPL + bytes([len(labels[0])])
dcid_len = ord(labels[0][0])
dcid = labels[0][1:].encode('utf-8')
for i in range(1,len(labels)):
dcid += bytes([len(labels[i])]) + labels[i].encode('utf-8')
dcid += b'\x00\x00\x01\x00\x01'
dcid += PAD * 6
dcid += b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
remain_len = (dcid_len - len(dcid) - 1) + (n_supported_versions * 4)
dcid += bytes([remain_len])
dcid += os.urandom(dcid_len - len(dcid))
return dcid,scid
def spoof_packet(packet, iterate_ports=False, ip=DNS_server_IP, port=53):
"""Spoofs the source IP and port of a packet's payload.
Args:
packet (Packet): The packet to spoof.
ip (str): The new source IP address. Default is Google's DNS (8.8.8.8).
port (int): The new source port. Default is 53 (DNS).
Returns:
Packet: The modified packet with spoofed IP and port.
"""
try:
# Extract the payload as an IP packet.
payload = IP(packet.get_payload())
# Verify the payload contains both IP and UDP layers.
if not payload.haslayer(IP) or not payload.haslayer(UDP):
raise ValueError("Packet must contain both IP and UDP layers.")
# Set spoofed IP and port
if iterate_ports:
payload.sport = next(port_services_iterable)
#payload.src = ip
else:
payload.src, payload.sport = ip, port
# Recalculate checksums for IP and UDP layers.
del payload[IP].chksum
del payload[UDP].chksum
payload = payload.__class__(bytes(payload))
# Set the new payload in the packet.
packet.set_payload(bytes(payload))
packet.accept()
logging.info(f"Packet accepted by NetfilterQueue")
except Exception as e:
logging.error(f"Error spoofing packet: {e}")
sys.exit(1)
def run_netfilter_queue(queue):
"""Run the NetfilterQueue (blocking call)."""
try:
queue.run() # This will block until stopped.
except KeyboardInterrupt:
logging.error("\n[*] NetfilterQueue stopped.")
def backup_files(source_files, backup_files):
"""
Copies files from source_files to backup_files.
Parameters:
- source_files (list): A list of source file paths.
- backup_files (list): A list of corresponding backup file paths.
"""
for src, dst in zip(source_files, backup_files):
if os.path.exists(src):
# Copy the source file to the destination
shutil.copy2(src, dst)
def load_qlog_file(directory='./aioquic/log/'):
qlog_files = [f for f in os.listdir(directory) if f.endswith('.qlog')]
if not qlog_files:
logging.error("No .qlog file found in the directory.")
return None
qlog_file = qlog_files[0]
file_path = os.path.join(directory, qlog_file)
logging.info(f"Loading data from file: {qlog_file}")
try:
with open(file_path, 'r') as file:
data = json.load(file)
return data
except json.JSONDecodeError as e:
logging.error(f"Failed to decode JSON from {file_path}: {e}")
return None
def find_key(data, key_to_find):
"""
Recursively search for a key in the JSON structure, and return the value of the key.
"""
if isinstance(data, dict):
for key, value in data.items():
if key == key_to_find:
return value
result = find_key(value, key_to_find)
if result is not None:
return result
elif isinstance(data, list):
for item in data:
result = find_key(item, key_to_find)
if result is not None:
return result
return None
def find_value(data, value_to_find):
"""
Recursively search for a value in the JSON structure, and return the key of the value.
"""
if isinstance(data, dict):
for key, value in data.items():
if value == value_to_find:
return key
result = find_value(value, value_to_find)
if result is not None:
return result
elif isinstance(data, list):
for item in data:
result = find_value(item, value_to_find)
if result is not None:
return result
return None
def search_for_new_token_frame(logs_path='./aioquic/log'):
global address_validation_token
if not os.path.exists(logs_path):
logging.error(f"Logs directory {logs_path} does not exist.")
return False
data = load_qlog_file()
# Search for 'new_token' frame anywhere in the JSON structure
if find_value(data, 'new_token') is not None:
token_data = find_key(data, 'token')
address_validation_token = token_data#.encode('utf-8') # Convert to bytes
logging.info(f"New token found: {address_validation_token}")
return True
return False
def check_anti_amplification_limit(server, port, client_command):
"""
Return True if the server doesn't send more than Anti-Amplification limit (with tolerance), and False otherwise.
"""
# Start tshark in the background
tshark_process = subprocess.Popen(tshark_sniff_command)
time.sleep(2) # Give tshark some time to start up
logging.info(f"Executing client command: {' '.join(client_command)}")
subprocess.run(client_command, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
time.sleep(2)
# Stop the tshark process after the command completes
tshark_process.terminate()
# Wait for tshark to finish writing the capture file
tshark_process.wait()
# Read the capture
capture = pyshark.FileCapture('./capture.pcap')
first_datagram_sent_length = None
cumulative_datagram_received_length = 0
first_datagram_sent_found = False
# Process each packet
for packet in capture:
if 'udp' in packet:
if packet.udp.srcport == "5555":
if not first_datagram_sent_found:
first_datagram_sent_length = int(packet.udp.length)
first_datagram_sent_found = True # Set flag for first datagram
else:
# Stop processing once the second datagram sent is found
break
elif packet.udp.dstport == "5555" and first_datagram_sent_found:
cumulative_datagram_received_length += int(packet.udp.length)
capture.close()
logging.info(f"Length of first datagram sent: {first_datagram_sent_length}")
logging.info(f"Cumulative length of datagrams received between first and second datagram sent: {cumulative_datagram_received_length}")
result = f"{server}:{port}\t- Length of first datagram sent: {first_datagram_sent_length}"
append_to_results(result)
result = f"{server}:{port}\t- Cumulative length of datagrams received between first and second datagram sent: {cumulative_datagram_received_length}"
append_to_results(result)
result = f"{server}:{port}\t- Amplification factor: {cumulative_datagram_received_length/first_datagram_sent_length}"
append_to_results(result)
# Check anti-amplification limit with tolerance
if 4* first_datagram_sent_length > cumulative_datagram_received_length:
return True
else:
return False
def run_test_case_new_token_support(server, port, http3=True):
logging.info(f"Running test case new_token_support against {server} on port {port}.")
client_command_h0 = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--session-ticket", "aioquic/session",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--legacy-http",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/test.html"
]
client_command_h3 = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--session-ticket", "aioquic/session",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/test.html"
]
if http3:
client_command = client_command_h3
else:
client_command = client_command_h0
remove_log_files()
try:
logging.info(f"Executing client command: {' '.join(client_command)}")
subprocess.run(client_command, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
found = search_for_new_token_frame()
if found:
result = f"{server}:{port}\t- Server supports NEW_TOKEN frames."
logging.info("The term 'new_token' was found in the log files. Server supports NEW_TOKEN frames.")
append_to_results(result)
return True
else:
result = f"{server}:{port}\t- Server doesn't support NEW_TOKEN frames."
logging.info("The term 'new_token' was not found in the log files. Server doesn't support NEW_TOKEN frames.")
append_to_results(result)
return False
except subprocess.CalledProcessError as e:
logging.error(f"Failed to run HTTP/3 client script against {server} on port {port}: {e}")
logging.info(f"Trying again with HTTP/0.9...")
return run_test_case_new_token_support(server, port, http3=False)
def run_test_case_anti_amplification_limit(server, port, http3=True):
"""
Return True if the server doesn't send more than Anti-Amplification limit (with tolerance), and False otherwise.
"""
global address_validation_token
logging.info(f"Running test case anti_amplification_limit against {server} on port {port}.")
client_command_h0 = [
"python", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--session-ticket", "aioquic/session",
"--zero-rtt",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--legacy-http",
"--server-name", "www.example.com",
"--local-port", "5555",
"--token", address_validation_token,
f"https://localhost:{str(port)}/test.html"
]
client_command_h3 = [
"python", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--session-ticket", "aioquic/session",
"--zero-rtt",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
"--token", address_validation_token,
f"https://localhost:{str(port)}/test.html"
]
if http3:
client_command = client_command_h3
else:
client_command = client_command_h0
try:
ret = check_anti_amplification_limit(server, port, client_command)
except subprocess.CalledProcessError as e:
logging.error(f"Failed to run HTTP/3 client script against {server} on port {port}: {e}")
logging.info(f"Trying again with HTTP/0.9...")
return run_test_case_anti_amplification_limit(server, port, http3=False)
if ret:
result = f"{server}:{port}\t- Server doesn't send more data than Anti-Amplification limit (when sending 0-RTT with AVT)."
append_to_results(result)
return True
else:
result = f"{server}:{port}\t- Server sends more data than the Anti-Amplification limit (when sending 0-RTT with AVT). => susceptible"
append_to_results(result)
return False
def run_test_case_sending_AVT_multiple_times(server, port, http3=True):
logging.info(f"Running test case sending_AVT_multiple_times against {server} on port {port}.")
client_command_h0 = [
"python", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--session-ticket", "aioquic/session_old",
"--zero-rtt",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--legacy-http",
"--server-name", "www.example.com",
"--local-port", "5555",
"--token", address_validation_token,
f"https://localhost:{str(port)}/test.html"
]
client_command_h3 = [
"python", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--session-ticket", "aioquic/session_old",
"--zero-rtt",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
"--token", address_validation_token,
f"https://localhost:{str(port)}/test.html"
]
if http3:
client_command = client_command_h3
else:
client_command = client_command_h0
try:
ret = check_anti_amplification_limit(server, port, client_command)
except subprocess.CalledProcessError as e:
logging.error(f"Failed to run HTTP/3 client script against {server} on port {port}: {e}")
logging.info(f"Trying again with HTTP/0.9...")
return run_test_case_sending_AVT_multiple_times(server, port, http3=False)
if ret:
result = f"{server}:{port}\t- Server doesn't accept valid Address Validation Tokens multiple times."
else:
result = f"{server}:{port}\t- Server accepts valid Address Validation Tokens multiple times. => SUSCEPTIBLE"
append_to_results(result)
def security_consideration_amplification_attack(server, port):
"""
Run test cases for security consideration Amplification Attack.
"""
logging.info(f"Running test cases for security consideration 'Amplification attack' against {server} on port {port}.")
if run_test_case_new_token_support(server, port):
# Back up session for run_test_case_sending_AVT_multiple_times() latter
backup_files(['./aioquic/session'], ['./aioquic/session_old'])
if not run_test_case_anti_amplification_limit(server, port):
# If server sends more than the Anti-Amplification limit
run_test_case_sending_AVT_multiple_times(server, port)
def security_consideration_optimistic_ACK_attack(server, port, http3=True):
"""
Run test cases for security consideration Optimistic ACK Attack.
"""
logging.info(f"Running test cases for security consideration 'Optimistic ACK Attack' against {server} on port {port}.")
client_command_h0 = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--legacy-http",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/largeFile.html"
]
client_command_h3 = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/largeFile.html"
]
if http3:
client_command = client_command_h3
else:
client_command = client_command_h0
# Start tshark in the background
tshark_process = subprocess.Popen(tshark_sniff_command)
time.sleep(2) # Give tshark some time to start up
try:
logging.info(f"Executing client command: {' '.join(client_command)}")
subprocess.run(client_command, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, timeout=5)
except subprocess.CalledProcessError as e:
tshark_process.terminate()
tshark_process.wait()
logging.error(f"Failed to run HTTP/3 client script against {server} on port {port}: {e}")
logging.info(f"Trying again with HTTP/0.9...")
return security_consideration_optimistic_ACK_attack(server, port, http3=False)
except subprocess.TimeoutExpired:
logging.warning(f"The command timed out after 5 seconds")
time.sleep(2)
# Stop the tshark process after the command completes
tshark_process.terminate()
# Wait for tshark to finish writing the capture file
tshark_process.wait()
# Read the capture
capture = pyshark.FileCapture('./capture.pcap', display_filter='udp.dstport == 5555')
logging.info(f"Analyzing captured QUIC packets and searching for CONNECTION_CLOSE frame...")
connection_close_frame_found = False
expected_packet_number = None
missing_packet_number = 0
packet_count = None
complete_file_received = False
error_code = None
reason_phrase = None
for packet in capture:
if connection_close_frame_found:
break
for layer in packet.layers:
if layer.layer_name == "quic" and hasattr(layer, 'packet_number'):
current_packet_number = int(layer.packet_number)
if (expected_packet_number is None) or (current_packet_number < expected_packet_number):
logging.info(f"Packet number reset.")
missing_packet_number = 0
packet_count = 0
elif (current_packet_number > expected_packet_number):
missing_packet_number += current_packet_number - expected_packet_number
while (current_packet_number > expected_packet_number):
logging.info(f"{expected_packet_number} is missing!!!")
expected_packet_number += 1
expected_packet_number = current_packet_number + 1
packet_count += 1
# if (missing_packet_number < 10):
# logging.info(f"Expect {expected_packet_number}, received {current_packet_number}")
if hasattr(layer, 'stream_fin') and (layer.stream_fin == "True"):
complete_file_received = True
# Check if the QUIC layer contains a CONNECTION_CLOSE frame
if hasattr(layer, 'cc_error_code'):
logging.info(f"Found CONNECTION_CLOSE frame in packet {packet.number}")
connection_close_frame_found = True
error_code = layer.cc_error_code
reason_phrase = layer.cc_reason_phrase
logging.info(f"Error Code: {error_code}")
logging.info(f"Reason Phrase: {reason_phrase}")
break # Exit the loop once the frame is found
capture.close()
logging.info(f"Received {packet_count} packets in total. {missing_packet_number} are missing.")
result = f"{server}:{port}\t- Received {packet_count} packets in total."
append_to_results(result)
result = f"{server}:{port}\t- {missing_packet_number} packets were skipped (or missed)."
append_to_results(result)
result = f"{server}:{port}\t- Complete file received: {complete_file_received}"
append_to_results(result)
if connection_close_frame_found:
result = f"{server}:{port}\t- Server terminated the connection upon receiving optimistic ACKs."
append_to_results(result)
result = f"{server}:{port}\t- Error code: {error_code}"
append_to_results(result)
result = f"{server}:{port}\t- Reason phrase: {reason_phrase}"
append_to_results(result)
else:
if missing_packet_number > 0:
if complete_file_received:
result = f"{server}:{port}\t- Packet numbers were skipped (or missed), but server didn't terminate the connection upon receiving optimistic ACKs. => susceptible"
else:
result = f"{server}:{port}\t- Server terminated the connection, but didn't send CONNECTION_CLOSE frame upon receiving optimistic ACKs."
else:
result = f"{server}:{port}\t- Server didn't skip any packet number. => susceptible"
append_to_results(result)
def run_test_case_common_udp_ports_support(server, port):
logging.info(f"Running test case common_udp_ports_support against {server} on port {port}.")
client_command = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/test.html"
]
global port_services_iterable
port_services_iterable = iter(port_services.keys())
try:
logging.info(f"Adding iptables rules to intercept packets...")
subprocess.run(f"sudo iptables -I OUTPUT -d 127.0.0.1 -p udp --dport {port} -j NFQUEUE --queue-num 1", shell=True, check=True)
except subprocess.CalledProcessError as e:
logging.error(f"Couldn't add iptables rules!")
#Initializing netfilter queue
q = NetfilterQueue()
#q.bind(1, spoof_packet(iterate_ports=True))
q.bind(1, lambda packet : spoof_packet(packet, iterate_ports=True))
queue_process = multiprocessing.Process(target=run_netfilter_queue, args=(q,))
queue_process.start()
reply_found = False
for sport, service in port_services.items():
if reply_found:
break
logging.info(f"Sending Initial packet for spoofed port number {sport}")
# Start tshark in the background
tshark_process = subprocess.Popen(['tshark', '-ni', 'any', '-f', f'udp port {sport}', '-w', './capture.pcap'])
logging.info(f"Tshark started")
time.sleep(2) # Give tshark some time to start up
logging.info(f"Executing client command: {' '.join(client_command)}")
try:
subprocess.run(client_command, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, timeout=0.3)
except subprocess.CalledProcessError as e:
logging.info(f"Initial packet sent. Version Negotiation packet might have been received.")
except subprocess.TimeoutExpired:
logging.info(f"Initial packet sent. Version Negotiation packet might have been received.")
time.sleep(2)
# Stop the tshark process
tshark_process.terminate()
logging.info(f"Tshark terminated")
# Wait for tshark to finish writing the capture file
tshark_process.wait()
# Read the capture
capture = pyshark.FileCapture('./capture.pcap', display_filter=f'udp.dstport == {sport} && !icmp', decode_as = {f'udp.port=={sport}': 'quic'})
for packet in capture:
logging.info(f"Response received for spoofed port nunber {sport}.")
reply_found = True
result = f"{server}:{port}\t- Response received for spoofed port nunber {sport} ({service}) => QUIC server doesn't block common UDP ports!"
append_to_results(result)
capture.close()
break
try:
queue_process.join(timeout=1)
if queue_process.is_alive():
q.unbind() # Unbind the queue to stop processing.
queue_process.terminate()
except KeyboardInterrupt:
logging.error("\n[*] Exiting...")
finally:
logging.info(f"Removing iptables rules...")
subprocess.run(f"sudo iptables -D OUTPUT -d 127.0.0.1 -p udp --dport {port} -j NFQUEUE --queue-num 1", shell=True, check=True)
def run_test_case_protocol_impersonation_attack(server, port):
logging.info(f"Running test case protocol_impersonation_attack against {server} on port {port}.")
client_command = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/test.html"
]
logging.info(f"Determining the number of version identifiers in Version Negotiation packet received from {server}")
n_version_identifiers = 0
# Start tshark in the background
tshark_process = subprocess.Popen(tshark_sniff_command)
logging.info(f"Tshark started")
time.sleep(2) # Give tshark some time to start up
try:
logging.info(f"Executing client command: {' '.join(client_command)}")
subprocess.run(client_command, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, timeout=2)
except subprocess.CalledProcessError as e:
logging.error(f"Error: {e}")
except subprocess.TimeoutExpired:
logging.info(f"The command timed out after 2 seconds")
time.sleep(2)
# Stop the tshark process
tshark_process.terminate()
logging.info(f"Tshark terminated")
# Wait for tshark to finish writing the capture file
tshark_process.wait()
logging.info(f"Analyzing captured QUIC packets to determine the number of version identifiers in Version Negotiation packet...")
# Read the capture
capture = pyshark.FileCapture('./capture.pcap', display_filter='udp.dstport == 5555', decode_as = {'udp.port==5555': 'quic'})
for packet in capture:
for layer in packet.layers:
if layer.layer_name == "quic" and hasattr(layer, 'packet_length'):
n_version_identifiers = int((int(getattr(layer, 'packet_length')) - 47) / 4)
logging.info(f"Number of Supported Versions: {n_version_identifiers}")
capture.close()
result = f"{server}:{port}\t- QUIC server sent Version Negotiation packet containng {n_version_identifiers} supported versions."
append_to_results(result)
logging.info(f"Conducting Protocol Impersonation Attack agasint {server}...")
init_dcid,init_scid = create_payload("tum.de", n_version_identifiers)
logging.info(f"Running test cases for security consideration 'Request Forgery Attacks' against {server} on port {port}.")
client_command = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
"--init-dcid", f"{init_dcid.hex()}",
"--init-scid", f"{init_scid.hex()}",
f"https://localhost:{str(port)}/test.html"
]
try:
logging.info(f"Adding iptables rules to intercept packets...")
subprocess.run(f"sudo iptables -I OUTPUT -d 127.0.0.1 -p udp --dport {port} -j NFQUEUE --queue-num 1", shell=True, check=True)
except subprocess.CalledProcessError as e:
logging.error(f"Couldn't add iptables rules!")
#Initializing netfilter queue
q = NetfilterQueue()
q.bind(1, spoof_packet)
# Start tshark in the background
tshark_process = subprocess.Popen(['tshark', '-ni', 'any', '-f', f'host {DNS_server_IP}', '-w', './capture.pcap'])
logging.info(f"Tshark started")
time.sleep(2) # Give tshark some time to start up
try:
logging.info(f"Executing client command: {' '.join(client_command)}")
subprocess.run(client_command, check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, timeout=0.3)
except subprocess.CalledProcessError as e:
logging.error(f"Error: {e}")
except subprocess.TimeoutExpired:
logging.info(f"The command timed out after 2 seconds. No response from server. Server might have sent Version Negotiation packet to our spoofed source address.")
queue_process = multiprocessing.Process(target=run_netfilter_queue, args=(q,))
queue_process.start()
try:
queue_process.join(timeout=1)
if queue_process.is_alive():
q.unbind() # Unbind the queue to stop processing.
queue_process.terminate()
except KeyboardInterrupt:
logging.error("\n[*] Exiting...")
finally:
logging.info(f"Removing iptables rules...")
subprocess.run(f"sudo iptables -D OUTPUT -d 127.0.0.1 -p udp --dport {port} -j NFQUEUE --queue-num 1", shell=True, check=True)
time.sleep(2)
# Stop the tshark process
tshark_process.terminate()
logging.info(f"Tshark terminated")
# Wait for tshark to finish writing the capture file
tshark_process.wait()
logging.info(f"Analyzing captured QUIC packets and searching for DNS response...")
dns_request_found = False # Flag to track if QUIC server sent DNS query for "tum.de"
dns_response_found = False # Flag to track if QUIC server received DNS response for "tum.de"
# Read the capture
capture = pyshark.FileCapture('./capture.pcap', display_filter='udp.dstport == 53')
for packet in capture:
dns_request_found = True
break
capture.close()
if dns_request_found:
result = f"{server}:{port}\t- QUIC server sent Version Negotiation packet (aka. DNS query) for 'tum.de' to spoofed IP address ({DNS_server_IP}) => susceptible"
else:
result = f"{server}:{port}\t- QUIC server didn't send any Version Negotiation packet (DNS query) for 'tum.de' to spoofed IP address ({DNS_server_IP})"
append_to_results(result)
# Read the capture
capture = pyshark.FileCapture('./capture.pcap', display_filter='udp.srcport == 53')
for packet in capture:
if dns_response_found:
break
for layer in packet.layers:
if layer.layer_name == "dns" and hasattr(layer, 'resp_name') and layer.resp_name == "tum.de":
logging.info(f"DNS response for 'tum.de' received from DNS server...")
dns_response_found = True
break
capture.close()
if dns_response_found:
result = f"{server}:{port}\t- QUIC server received DNS response for 'tum.de' => QUIC server had sent a DNS request as a result of Request Forgery Attack via Version Negotiation => susceptible"
else:
result = f"{server}:{port}\t- There's no valid DNS response for 'tum.de'"
append_to_results(result)
def run_test_case_non_probing_packet_connnection_migration(server, port, http3=True):
logging.info(f"Running test case non_probing_packet_connection_migration against {server} on port {port}.")
new_IP = "12.12.12.12" # the new IP address that client should migrate to
client_command_h3 = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/largeFile30M.html"
]
client_command_h0 = [
"python3", "aioquic/examples/http3_client.py",
"--ca-certs", "aioquic/tests/pycacert.pem",
"--secrets-log", "aioquic/secrets.log",
"--insecure",
"--output-dir", "aioquic/output",
"--quic-log", "aioquic/log",
"--verbose",
"--legacy-http",
"--server-name", "www.example.com",
"--local-port", "5555",
f"https://localhost:{str(port)}/largeFile30M.html"
]
if http3:
client_command = client_command_h3
else:
client_command = client_command_h0
# Start tshark in the background
tshark_process = subprocess.Popen(['tshark', '-ni', 'any', '-f', 'udp port 5555', '-w', './capture.pcap'])
logging.info(f"Tshark started")
time.sleep(2) # Give tshark some time to start up
try:
logging.info(f"Executing client command: {' '.join(client_command)}")
client = subprocess.Popen(client_command, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)#, timeout=0.3)
except subprocess.CalledProcessError as e:
logging.error(f"Error: {e}")
except subprocess.TimeoutExpired:
logging.info(f"The command timed out.")
time.sleep(1)
try:
logging.info(f"Adding iptables rules to intercept packets...")
subprocess.run(f"sudo iptables -I OUTPUT -d 127.0.0.1 -p udp --dport {port} -j NFQUEUE --queue-num 1", shell=True, check=True)
except subprocess.CalledProcessError as e:
logging.error(f"Couldn't add iptables rules!")