Files
sigma-rules/rta/registry_rdp_enable.py
T
2022-09-08 12:50:39 -04:00

45 lines
1.3 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: Enable RDP Through Registry
# RTA: registry_rdp_enable.py
# signal.rule.name: Potential Modification of Accessibility Binaries
# ATT&CK: T1076
# Description: Identifies registry write modification to enable RDP access.
from . import common
from . import RtaMetadata
metadata = RtaMetadata(
uuid="1ef2a173-a9c8-446d-9d56-f7e54a197a33",
platforms=["windows"],
endpoint=[],
siem=[
{
"rule_id": "7405ddf1-6c8e-41ce-818f-48bea6bcaed8",
"rule_name": "Potential Modification of Accessibility Binaries",
}
],
techniques=["T1546"],
)
@common.requires_os(metadata.platforms)
def main():
common.log("Enabling RDP Through Registry")
# get the current value
key = "System\\CurrentControlSet\\Control\\Terminal Server"
value = "fDenyTSConnections"
with common.temporary_reg(common.HKLM, key, value, 1, common.DWORD):
# while temporarily disabled, re-enable the service
common.write_reg(common.HKLM, key, value, 0, common.DWORD, restore=False)
if __name__ == "__main__":
exit(main())