eric-forte-elastic
57 lines
1.5 KiB
Python
57 lines
1.5 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: Memory Dump via Comsvcs
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# RTA: comsvcs_dump.py
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# ATT&CK: T1117
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# Description: Invokes comsvcs.dll with rundll32.exe to mimic creating a process MiniDump.
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import os
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import time
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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="413cf7ef-0fad-46fd-ab67-e94c4e3e0f0b",
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platforms=["windows"],
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endpoint=[],
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siem=[
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{
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"rule_id": "c5c9f591-d111-4cf8-baec-c26a39bc31ef",
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"rule_name": "Potential Credential Access via Renamed COM+ Services DLL",
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},
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{"rule_id": "208dbe77-01ed-4954-8d44-1e5751cb20de", "rule_name": "LSASS Memory Dump Handle Access"},
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{
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"rule_id": "00140285-b827-4aee-aa09-8113f58a08f3",
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"rule_name": "Potential Credential Access via Windows Utilities",
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},
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],
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techniques=["T1003"],
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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("Memory Dump via Comsvcs")
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pid = os.getpid()
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common.execute(
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[
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"powershell.exe",
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"-c",
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"rundll32.exe",
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"C:\\Windows\\System32\\comsvcs.dll",
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"MiniDump",
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"{} dump.bin full".format(pid),
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]
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)
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time.sleep(1)
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common.remove_file("dump.bin")
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if __name__ == "__main__":
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exit(main())
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