Mika Ayenson
74 lines
2.1 KiB
Python
74 lines
2.1 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: Persistent Scripts
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# RTA: persistent_scripts.py
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# ATT&CK: T1064 (Scripting), T1086 (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="2ab62c28-1abb-4ac5-a16d-2f4f75d01d02",
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platforms=["windows"],
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endpoint=[],
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siem=[{"rule_id": "afcce5ad-65de-4ed2-8516-5e093d3ac99a", "rule_name": "Local Scheduled Task Creation"}],
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techniques=["T1053"],
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)
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VBS = common.get_path("bin", "persistent_script.vbs")
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NAME = "rta-vbs-persistence"
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@common.requires_os(metadata.platforms)
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@common.dependencies(common.PS_EXEC, VBS)
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def main():
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common.log("Persistent Scripts")
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if common.check_system():
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common.log("Must be run as a non-SYSTEM user", log_type="!")
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return 1
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# Remove any existing profiles
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user_profile = os.environ["USERPROFILE"]
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log_file = os.path.join(user_profile, NAME + ".log")
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# Remove log file if exists
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common.remove_file(log_file)
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common.log("Running VBS")
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common.execute(["cscript.exe", VBS])
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# Let the script establish persistence, then read the log file back
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time.sleep(5)
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common.print_file(log_file)
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common.remove_file(log_file)
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# Now trigger a 'logon' event which causes persistence to run
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common.log("Simulating user logon and loading of profile")
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# common.execute(["taskkill.exe", "/f", "/im", "explorer.exe"])
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# time.sleep(2)
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common.execute(["C:\\Windows\\System32\\userinit.exe"], wait=True)
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common.execute(["schtasks.exe", "/run", "/tn", NAME])
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# Wait for the "logon" to finish
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time.sleep(30)
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common.print_file(log_file)
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# Now delete the user profile
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common.log("Cleanup", log_type="-")
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common.remove_file(log_file)
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common.execute(["schtasks.exe", "/delete", "/tn", NAME, "/f"])
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if __name__ == "__main__":
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exit(main())
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