dmg_create_in_tmp.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.

from pathlib import Path

from . import common
from . import RtaMetadata


metadata = RtaMetadata(
    uuid="4743705e-bf41-404a-b2f3-9f8f067516e6",
    platforms=["macos"],
    endpoint=[
        {
            "rule_name": "Suspicious DMG File Creation in Temp Directory",
            "rule_id": "fdb0e7ed-4210-4b71-be47-d0b0d9458fa7",
        }
    ],
    siem=[],
    techniques=["T1211", "T1059", "T1059.004"],
)


@common.requires_os(*metadata.platforms)
def main():

    tmp_dir = Path("/tmp/TestDMGDir")
    tmp_dmg = "/tmp/TestDMG.dmg"
    tmp_dir.mkdir(parents=True, exist_ok=True)

    # Execute command
    common.log("Launching hdiutil commands to create a dmg in tmp directory")
    common.execute(["hdiutil", "create", "-size", "50m", "-volname", str(tmp_dir), "-ov", tmp_dmg], kill=True)

    # cleanup
    common.remove_directory(str(tmp_dir))
    common.remove_file(tmp_dmg)


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