Mika Ayenson
71 lines
2.0 KiB
Python
71 lines
2.0 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: Run Process from the Recycle Bin
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# RTA: recycle_bin_process.py
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# ATT&CK: T1158
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# Description: Executes mock malware from the "C:\Recycler\" and "C:\$RECYCLE.BIN\" subdirectories.
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import os
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import time
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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="790cbe6f-ee44-4654-9998-039236dbe0d8",
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platforms=["windows"],
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endpoint=[],
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siem=[
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{
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"rule_id": "cff92c41-2225-4763-b4ce-6f71e5bda5e6",
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"rule_name": "Execution from Unusual Directory - Command Line",
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}
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],
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techniques=["T1036", "T1059"],
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)
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RECYCLE_PATHS = ["C:\\$Recycle.Bin", "C:\\Recycler"]
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TARGET_APP = common.get_path("bin", "myapp.exe")
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@common.requires_os(metadata.platforms)
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@common.dependencies(TARGET_APP, common.CMD_PATH)
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def main():
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common.log("Execute files from the Recycle Bin")
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target_dir = None
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for recycle_path in RECYCLE_PATHS:
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if os.path.exists(recycle_path):
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target_dir = common.find_writeable_directory(recycle_path)
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if target_dir:
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break
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else:
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common.log("Could not find a writeable directory in the recycle bin")
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exit(1)
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commands = [
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[TARGET_APP],
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[common.CMD_PATH, "/c", "echo hello world"],
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]
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common.log("Running commands from recycle bin in %s" % target_dir)
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for command in commands: # type: list[str]
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source_path = command[0]
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arguments = command[1:]
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target_path = os.path.join(target_dir, "recycled_process.exe")
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common.copy_file(source_path, target_path)
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arguments.insert(0, target_path)
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common.execute(arguments)
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time.sleep(0.5)
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common.remove_file(target_path)
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if __name__ == "__main__":
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exit(main())
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