Files
sigma-rules/rta/network_connection_nslookup.py
T
2023-10-03 10:47:58 -04:00

42 lines
1.7 KiB
Python

# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License
# 2.0; you may not use this file except in compliance with the Elastic License
# 2.0.
from . import common
from . import RtaMetadata
metadata = RtaMetadata(
uuid="d6c94638-5c8a-40e9-9ad8-86a8f97cc043",
platforms=["windows"],
endpoint=[],
siem=[{'rule_id': '3a59fc81-99d3-47ea-8cd6-d48d561fca20', 'rule_name': 'Potential DNS Tunneling via NsLookup'}],
techniques=['T1071', 'T1071.004'],
)
@common.requires_os(*metadata.platforms)
def main():
nslookup = "C:\\Windows\\System32\\nslookup.exe"
# Execute command 15 times
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
common.execute([nslookup, "-q=aaaa", "google.com"], timeout=10)
if __name__ == "__main__":
exit(main())