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

37 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="aafeb270-4704-4b5f-aa1b-1286dc14c5a9",
platforms=["windows"],
endpoint=[],
siem=[{
'rule_id': '9d110cb3-5f4b-4c9a-b9f5-53f0a1707ae2',
'rule_name': 'Microsoft Build Engine Started by a Script Process'
}],
techniques=['T1127', 'T1127.001'],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
@common.requires_os(*metadata.platforms)
def main():
powershell = "C:\\Users\\Public\\powershell.exe"
msbuild = "C:\\Users\\Public\\msbuild.exe"
common.copy_file(EXE_FILE, powershell)
common.copy_file(EXE_FILE, msbuild)
# Execute command
common.execute([powershell, "/c", msbuild], timeout=2, kill=True)
common.remove_files(powershell, msbuild)
if __name__ == "__main__":
exit(main())