Mika Ayenson
51 lines
1.4 KiB
Python
51 lines
1.4 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: PowerShell Launched from Script
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# RTA: powershell_from_script.py
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# signal.rule.name: Windows Script Executing PowerShell
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# ATT&CK: T1064, T1192, T1193
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# Description: Creates a javascript file that will launch powershell.
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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="161c5972-6bfe-47b5-92bd-e0399e025dec",
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platforms=["windows"],
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endpoint=[],
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siem=[{"rule_id": "f545ff26-3c94-4fd0-bd33-3c7f95a3a0fc", "rule_name": "Windows Script Executing PowerShell"}],
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techniques=["T1566"],
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)
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@common.requires_os(metadata.platforms)
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def main():
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# Write script
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script_file = os.path.abspath("launchpowershell.vbs")
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script = """Set objShell = CreateObject("Wscript.shell")
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objShell.run("powershell echo 'Doing evil things...'; sleep 3")
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"""
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with open(script_file, "w") as f:
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f.write(script)
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# Execute script
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for proc in ["wscript", "cscript"]:
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common.execute([proc, script_file])
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time.sleep(3)
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# Clean up
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common.remove_file(script_file)
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return common.SUCCESS
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if __name__ == "__main__":
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exit(main())
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