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

43 lines
1.3 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="61abdbb3-bcab-4c57-8b5d-2a5c9226e580",
platforms=["windows"],
endpoint=[
{"rule_name": "Registry Modification via Microsoft Office", "rule_id": "926b6cd1-c0c7-46d4-82d6-9deb6ae431d6"}
],
siem=[],
techniques=["T1547", "T1112", "T1566"],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
@common.requires_os(*metadata.platforms)
def main():
winword = "C:\\Users\\Public\\winword.exe"
common.copy_file(EXE_FILE, winword)
cmd = (
"New-ItemProperty -Path 'HKCU:\\Software\\Microsoft\\Windows\\CurrentVersion\\Run' "
"-Name Test -PropertyType String -value Testing"
)
rem_cmd = "Remove-ItemProperty -Path 'HKCU:\\Software\\Microsoft\\Windows\\CurrentVersion\\Run' -Name Test"
# Execute command
common.log("Fake ms word reg mod...")
common.execute([winword, "/c", cmd], timeout=10)
common.execute([winword, "/c", rem_cmd], timeout=10)
common.remove_file(winword)
if __name__ == "__main__":
exit(main())