43 lines
1.2 KiB
Python
43 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="05f1f2a3-430d-4d20-9c0c-767d3b950cbb",
|
|
platforms=["windows"],
|
|
endpoint=[
|
|
{
|
|
"rule_name": "Script Execution via Microsoft HTML Application",
|
|
"rule_id": "f0630213-c4c4-4898-9514-746395eb9962",
|
|
}
|
|
],
|
|
siem=[],
|
|
techniques=["T1218"],
|
|
)
|
|
|
|
|
|
@common.requires_os(metadata.platforms)
|
|
def main():
|
|
# Execute Command
|
|
# Had a hard time trying to escape the quotes that would be needed to execute a real command using
|
|
# RunHTMLApplication, this will just fire the rule and result in a Missing entry error
|
|
common.log("Running rundll32 RunHTMLApplication")
|
|
common.execute(
|
|
[
|
|
"cmd.exe",
|
|
"/c",
|
|
"rundll32.exe javascript:\\..\\mshtml.dll,RunHTMLApplication",
|
|
],
|
|
timeout=5,
|
|
kill=True,
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
exit(main())
|