Files
sigma-rules/rta/exec_cmd_psexesvc.py
T
Jonhnathan f41c5288cc [RTA] New RTAs for Windows Rules (#2426)
* Part 1

* Part 2

* Part3

* Part4

* Final Part

* Dedup RTA where Office app loads wmiutils

* Add techniques

* Remove helper

* Update exec_cmd_set_mppreference.py
2023-03-20 07:56:51 -03:00

41 lines
1.2 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="7c4e0d1e-e80a-465a-9612-a319800390f4",
platforms=["windows"],
endpoint=[],
siem=[{
'rule_id': 'e2f9fdf5-8076-45ad-9427-41e0e03dc9c2',
'rule_name': 'Suspicious Process Execution via Renamed PsExec Executable'
}],
techniques=['T1569', 'T1569.002'],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
RENAMER = common.get_path("bin", "rcedit-x64.exe")
@common.requires_os(metadata.platforms)
def main():
psexesvc = "C:\\Users\\Public\\rta.exe"
rcedit = "C:\\Users\\Public\\rcedit.exe"
common.copy_file(RENAMER, rcedit)
common.copy_file(EXE_FILE, psexesvc)
common.log("Modifying the OriginalFileName attribute")
common.execute([rcedit, psexesvc, "--set-version-string", "OriginalFilename", "psexesvc.exe"])
common.execute([psexesvc], timeout=2, kill=True)
common.remove_files(rcedit, psexesvc)
if __name__ == "__main__":
exit(main())