Eric Forte
56 lines
1.6 KiB
Python
56 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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# Name: Adobe Hijack Persistence
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# ATT&CK: T1044
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# Description: Replaces PE file that will run on Adobe Reader start.
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import sys
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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="2df08481-31db-44a8-b01d-1c0df827bddb",
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platforms=["windows"],
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endpoint=[],
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siem=[{"rule_id": "2bf78aa2-9c56-48de-b139-f169bf99cf86", "rule_name": "Adobe Hijack Persistence"}],
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techniques=["T1574"],
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)
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@common.requires_os(*metadata.platforms)
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def main() -> None:
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rdr_cef_dir = Path("C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroCEF")
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rdrcef_exe = rdr_cef_dir / "RdrCEF.exe"
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cmd_path = "C:\\Windows\\System32\\cmd.exe"
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backup = Path("xxxxxx").resolve()
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backedup = False
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# backup original if it exists
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if rdrcef_exe.is_file():
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common.log(f"{rdrcef_exe} already exists, backing up file.")
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common.copy_file(rdrcef_exe, backup)
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backedup = True
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else:
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common.log(f"{rdrcef_exe} doesn't exist. Creating path.")
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rdr_cef_dir.mkdir(parents=True)
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# overwrite original
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common.copy_file(cmd_path, rdrcef_exe)
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# cleanup
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if backedup:
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common.log("Putting back backup copy.")
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common.copy_file(backup, rdrcef_exe)
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backup.unlink()
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else:
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common.remove_file(rdrcef_exe)
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rdr_cef_dir.rmdir()
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if __name__ == "__main__":
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sys.exit(main())
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