Files
sigma-rules/rta/exec_shortcut_embedded_obj.py
T
Jonhnathan 5c792b86d7 [RTA] Adds RTAs for endpoint rules (#2621)
* [RTA] Adds RTAs for endpoint rules

* Update exec_cscript_archive_args.py

* Review RTAs 1/2

* Update suspicious_msiexec_child.py

* Update rta/exec_cscript_archive_args.py

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2023-03-23 18:14:06 -03:00

45 lines
1.4 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="32faebaa-b581-464c-bca9-6936fe0948dc",
platforms=["windows"],
endpoint=[
{
'rule_id': '8076640d-ec66-4d24-a252-ee2f054e00a1',
'rule_name': 'Windows Shortcut File Embedded Object Execution'
},
{
'rule_id': '9fdd772b-b483-404f-bc02-7ec87e332bec',
'rule_name': 'Embedded Executable via Windows Shortcut File'
}
],
siem=[],
techniques=['T1059', 'T1059.003', 'T1204', 'T1204.001', 'T1204.002', 'T1566', 'T1566.001', 'T1566.002'],
)
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
@common.requires_os(common.WINDOWS)
def main():
cmd = "C:\\Users\\Public\\cmd.exe"
rta = "C:\\Users\\Public\\rta.exe"
tempfile = "C:\\Users\\Public\\a.txt"
common.copy_file(EXE_FILE, cmd)
common.copy_file(EXE_FILE, rta)
# Execute command
common.execute([cmd, "/c", f"Copy-Item {EXE_FILE} '{tempfile}'; echo 'finda.a.lnk >1&'; {rta}"],
kill=True, timeout=10)
common.remove_files(cmd, rta, tempfile)
if __name__ == "__main__":
exit(main())