Files
sigma-rules/rta/certutil_webrequest.py
T
Ross Wolf a0d3b4bd23 Populate RTA directory.
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com>
Co-Authored-By: Daniel Stepanic <57736958+dstepanic17@users.noreply.github.com>
Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com>
Co-Authored-By: Joe Desimone <56411054+joe-desimone@users.noreply.github.com>
Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
2020-06-29 23:07:18 -06:00

34 lines
984 B
Python

# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License;
# you may not use this file except in compliance with the Elastic License.
# Name: Downloading Files With Certutil
# RTA: certutil_webrequest.py
# ATT&CK: T1105
# Description: Uses certutil.exe to download a file.
from . import common
MY_DLL = common.get_path("bin", "mydll.dll")
@common.requires_os(common.WINDOWS)
@common.dependencies(MY_DLL)
def main():
# http server will terminate on main thread exit
# if daemon is True
server, ip, port = common.serve_web()
uri = "bin/mydll.dll"
target_file = "mydll.dll"
common.clear_web_cache()
url = "http://{ip}:{port}/{uri}".format(ip=ip, port=port, uri=uri)
common.execute(["certutil.exe", "-urlcache", "-split", "-f", url, target_file])
server.shutdown()
common.remove_file(target_file)
if __name__ == "__main__":
exit(main())