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

39 lines
1.1 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="9e85eb9f-ee9e-4c73-8a83-14dd29a5aa80",
platforms=["windows"],
endpoint=[
{
"rule_name": "Connection to Dynamic DNS Provider by an Unsigned Binary",
"rule_id": "75b80e66-90d0-4ab6-9e6b-976f7d690906",
}
],
siem=[],
techniques=["T1071"],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
@common.requires_os(*metadata.platforms)
def main():
posh = "C:\\Users\\Public\\posh.exe"
common.copy_file(EXE_FILE, posh)
# Execute command
common.log("Using PowerShell to connect to a DDNS provider website")
common.execute([posh, "/c", "iwr", "https://www.noip.com", "-UseBasicParsing"], timeout=10)
common.remove_file(posh)
if __name__ == "__main__":
exit(main())