Justin Ibarra
40 lines
1.2 KiB
Python
40 lines
1.2 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 MS Office Dropping an executable file to disk
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# RTA: ms_office_drop_exe.py
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# ATT&CK: T1064
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# Description: MS Office writes executable file and it is run.
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import os
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import time
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from . import common
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@common.requires_os(common.WINDOWS)
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def main():
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cmd_path = "c:\\windows\\system32\\cmd.exe"
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for office_app in ["winword.exe", "excel.exe", "powerpnt.exe", "outlook.exe"]:
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common.log("Emulating office application %s" % office_app)
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office_path = os.path.abspath(office_app)
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common.copy_file(cmd_path, office_path)
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bad_path = os.path.abspath("bad-{}-{}.exe".format(hash(office_app), os.getpid()))
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common.execute([office_path, '/c', 'copy', cmd_path, bad_path])
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time.sleep(1)
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common.execute([bad_path, '/c', 'whoami'])
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# cleanup
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time.sleep(1)
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common.remove_files(office_app, bad_path)
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print("")
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if __name__ == "__main__":
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exit(main())
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