eric-forte-elastic
46 lines
1.6 KiB
Python
46 lines
1.6 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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from . import common
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from . import RtaMetadata
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metadata = RtaMetadata(
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uuid="5a2a5c20-73f6-4a08-a767-95d242b52708",
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platforms=["windows"],
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endpoint=[
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{"rule_name": "Suspicious Windows Script Process Execution", "rule_id": "ffbab5db-73ae-42fd-a33f-36bf649f41cc"},
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{"rule_name": "Execution from Unusual Directory", "rule_id": "16c84e67-e5e7-44ff-aefa-4d771bcafc0c"},
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{"rule_name": "Binary Masquerading via Untrusted Path", "rule_id": "35dedf0c-8db6-4d70-b2dc-a133b808211f"},
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],
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siem=[],
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techniques=["T1218", "T1036", "T1059"],
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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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@common.requires_os(*metadata.platforms)
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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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# Execute command
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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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cmd = "echo {16d51579-a30b-4c8b-a276-0ff4dc41e755}; iwr google.com -UseBasicParsing"
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common.log("Simulating a suspicious command line and making a web request")
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common.execute([cscript, "-c", cmd], timeout=10)
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common.remove_files(cscript, rcedit)
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if __name__ == "__main__":
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exit(main())
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