2023-03-23 18:14:06 -03:00
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# 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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from . import common
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from . import RtaMetadata
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metadata = RtaMetadata(
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uuid="4aa158f6-39ed-456f-9d8a-849052cce2f5",
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platforms=["windows"],
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endpoint=[
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{'rule_id': '816e1e39-e1a3-4935-9b7b-18395d244670', 'rule_name': 'Windows Script Execution from Archive File'},
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{'rule_id': '16c84e67-e5e7-44ff-aefa-4d771bcafc0c', 'rule_name': 'Execution from Unusual Directory'},
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{'rule_id': '35dedf0c-8db6-4d70-b2dc-a133b808211f', 'rule_name': 'Binary Masquerading via Untrusted Path'},
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{'rule_id': '23e29d07-7584-465e-8a6d-912d9ea254a6', 'rule_name': 'Suspicious Image Load via Windows Scripts'}
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],
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siem=[],
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techniques=['T1059', 'T1059.007', 'T1566', 'T1566.001'],
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)
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EXE_FILE = common.get_path("bin", "renamed_posh.exe")
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RENAMER = common.get_path("bin", "rcedit-x64.exe")
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2023-10-03 10:47:58 -04:00
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@common.requires_os(*metadata.platforms)
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2023-03-23 18:14:06 -03:00
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def main():
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cscript = "C:\\Users\\Public\\cscript.exe"
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rcedit = "C:\\Users\\Public\\rcedit.exe"
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common.copy_file(EXE_FILE, cscript)
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common.copy_file(RENAMER, rcedit)
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common.log("Modifying the OriginalFileName attribute")
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common.execute([rcedit, cscript, "--set-version-string", "OriginalFilename", "cscript.exe"])
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common.execute([cscript, "/c", "echo", "C:\\Users\\A\\Temp\\7zip"], timeout=5, kill=True)
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common.remove_files(cscript)
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if __name__ == "__main__":
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exit(main())
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