Justin Ibarra
40 lines
1.4 KiB
Python
40 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.
|
|
|
|
# Name: Emulate Suspect MS Office Child Processes
|
|
# RTA: suspect_office_children.py
|
|
# signal.rule.name: Suspicious MS Office Child Process
|
|
# ATT&CK: T1064
|
|
# Description: Generates network traffic various children processes from emulated Office processes.
|
|
|
|
import os
|
|
|
|
from . import common
|
|
from . import mshta_network
|
|
|
|
|
|
@common.requires_os(common.WINDOWS)
|
|
def main():
|
|
mshta_path = os.path.abspath(mshta_network.__file__.replace(".pyc", ".py"))
|
|
|
|
cmd_path = "c:\\windows\\system32\\cmd.exe"
|
|
binaries = ["adobe.exe", "winword.exe", "outlook.exe", "excel.exe", "powerpnt.exe"]
|
|
for binary in binaries:
|
|
common.copy_file(cmd_path, binary)
|
|
|
|
# Execute a handful of commands
|
|
common.execute(["adobe.exe", "/c", "regsvr32.exe", "/s", "/?"], timeout=5, kill=True)
|
|
common.execute(["winword.exe", "/c", "certutil.exe"], timeout=5, kill=True)
|
|
common.execute(["outlook.exe", "/c", "powershell.exe", "-c", "whoami"], timeout=5, kill=True)
|
|
common.execute(["excel.exe", "/c", "cscript.exe", "-x"], timeout=5, kill=True)
|
|
# Test out ancestry for mshta
|
|
common.execute(["powerpnt.exe", "/c", mshta_path])
|
|
|
|
common.remove_files(*binaries)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
exit(main())
|