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

41 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="c4445d28-fe0f-4822-b0b0-92e188a9ca0e",
platforms=["windows"],
endpoint=[
{
'rule_id': '74be6307-2d15-4c71-8072-fc606f337a51',
'rule_name': 'Execution via MS VisualStudio Pre/Post Build Events'
},
{'rule_id': '16c84e67-e5e7-44ff-aefa-4d771bcafc0c', 'rule_name': 'Execution from Unusual Directory'},
{'rule_id': '35dedf0c-8db6-4d70-b2dc-a133b808211f', 'rule_name': 'Binary Masquerading via Untrusted Path'}
],
siem=[],
techniques=['T1127', 'T1127.001'],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
@common.requires_os(*metadata.platforms)
def main():
msbuild = "C:\\Users\\Public\\msbuild.exe"
cmd = "C:\\Users\\Public\\cmd.exe"
common.copy_file(EXE_FILE, cmd)
common.copy_file(EXE_FILE, msbuild)
common.execute([msbuild, "/c", cmd, "/c", cmd, "echo C:\\Users\\A\\AppData\\Local\\Temp\\tmpa.exec.cmd"],
timeout=10, kill=True)
common.remove_files(cmd, msbuild)
if __name__ == "__main__":
exit(main())