bash_cmdline_history.py

# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License
# 2.0; you may not use this file except in compliance with the Elastic License
# 2.0.

import sys

from . import RtaMetadata, common

metadata = RtaMetadata(
    uuid="631a211d-bdaa-4b9d-a786-31d84d7bc070",
    platforms=["linux"],
    endpoint=[
        {"rule_id": "31da6564-b3d3-4fc8-9a96-75ad0b364363", "rule_name": "Tampering of Bash Command-Line History"},
    ],
    siem=[],
    techniques=["T1070", "T1070.003"],
)


@common.requires_os(*metadata.platforms)
def main() -> None:
    masquerade = "/tmp/history"
    source = common.get_path("bin", "linux.ditto_and_spawn")
    common.copy_file(source, masquerade)

    # Execute command
    common.log("Launching fake builtin commands for tampering of bash command line history")
    command = "-c"
    common.execute([masquerade, command], timeout=10, kill=True, shell=True)  # noqa: S604
    # cleanup
    common.remove_file(masquerade)


if __name__ == "__main__":
    sys.exit(main())