47 lines
1.6 KiB
Python
47 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: Emulate Suspect MS Office Child Processes
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# RTA: suspect_office_children.py
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# signal.rule.name: Suspicious MS Office Child Process
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# ATT&CK: T1064
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# Description: Generates network traffic various children processes from emulated Office processes.
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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="cd8e06c0-fc62-4932-8ef7-b767570e88eb",
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platforms=["windows"],
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endpoint=[],
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siem=[
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{"rule_id": "a624863f-a70d-417f-a7d2-7a404638d47f", "rule_name": "Suspicious MS Office Child Process"},
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{"rule_id": "32f4675e-6c49-4ace-80f9-97c9259dca2e", "rule_name": "Suspicious MS Outlook Child Process"}
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],
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techniques=['T1566', 'T1566.001'],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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cmd_path = "c:\\windows\\system32\\cmd.exe"
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binaries = ["adobe.exe", "winword.exe", "outlook.exe", "excel.exe", "powerpnt.exe"]
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for binary in binaries:
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common.copy_file(cmd_path, binary)
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# Execute a handful of commands
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common.execute(["adobe.exe", "/c", "regsvr32.exe", "/s", "/?"], timeout=5, kill=True)
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common.execute(["winword.exe", "/c", "certutil.exe"], timeout=5, kill=True)
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common.execute(["outlook.exe", "/c", "powershell.exe", "-c", "whoami"], timeout=5, kill=True)
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common.execute(["excel.exe", "/c", "cscript.exe", "-x"], timeout=5, kill=True)
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common.remove_files(*binaries)
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if __name__ == "__main__":
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exit(main())
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