eric-forte-elastic
42 lines
1.4 KiB
Python
42 lines
1.4 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 pathlib import Path
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from . import RtaMetadata, common
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metadata = RtaMetadata(
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uuid="9bf3622b-dd76-4156-a89c-6845dca46b1f",
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platforms=["windows"],
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endpoint=[
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{"rule_name": "Execution from Unusual Directory", "rule_id": "16c84e67-e5e7-44ff-aefa-4d771bcafc0c"},
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{
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"rule_name": "Managed .NET Code Execution via Windows Script Interpreter",
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"rule_id": "5a898048-d98c-44c6-b7ba-f63a31eb3571",
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},
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],
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siem=[],
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techniques=["T1220", "T1218", "T1055", "T1059"],
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)
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EXE_FILE = common.get_path("bin", "renamed_posh.exe")
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@common.requires_os(*metadata.platforms)
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def main():
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msxsl = "C:\\Users\\Public\\msxsl.exe"
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fake_clr_path = "C:\\Users\\Administrator\\AppData\\Local\\Microsoft\\CLR_v4.0\\UsageLogs"
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fake_clr_logs = fake_clr_path + "\\msxsl.exe.log"
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common.copy_file(EXE_FILE, msxsl)
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Path(fake_clr_path).mkdir(parents=True, exist_ok=True)
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common.log("Creating a fake clr log file")
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common.execute([msxsl, "-c", f"echo RTA > {fake_clr_logs}"], timeout=10)
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common.remove_files(msxsl, fake_clr_logs)
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if __name__ == "__main__":
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exit(main())
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