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

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="f62ebacb-5d53-4f74-ae72-b64b8b6c899f",
platforms=["windows"],
endpoint=[],
siem=[{
'rule_id': '17c7f6a5-5bc9-4e1f-92bf-13632d24384d',
'rule_name': 'Suspicious Execution - Short Program Name'
}],
techniques=['T1036', 'T1036.003'],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
RENAMER = common.get_path("bin", "rcedit-x64.exe")
@common.requires_os(*metadata.platforms)
def main():
rta = "C:\\Users\\Public\\a.exe"
rcedit = "C:\\Users\\Public\\rcedit.exe"
common.copy_file(RENAMER, rcedit)
common.copy_file(EXE_FILE, rta)
common.log("Modifying the OriginalFileName attribute")
common.execute([rcedit, rta, "--set-version-string", "OriginalFilename", "rta.exe"])
common.execute([rta], timeout=2, kill=True)
common.remove_files(rcedit, rta)
if __name__ == "__main__":
exit(main())