38 lines
1.2 KiB
Python
38 lines
1.2 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: Suspicious BitsAdmin Download File
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# RTA: bitsadmin_download.py
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# ATT&CK: T1197
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# Description: Runs BitsAdmin to download file via command line.
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import os
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import subprocess
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from . import common
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@common.requires_os(common.WINDOWS)
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def main():
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common.log("Running Windows BitsAdmin to Download")
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server, ip, port = common.serve_web()
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url = "http://" + ip + ":" + str(port) + "/bin/myapp.exe"
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dest_path = os.path.abspath("myapp-test.exe")
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fake_word = os.path.abspath("winword.exe")
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common.log("Emulating parent process: {parent}".format(parent=fake_word))
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common.copy_file("C:\\Windows\\System32\\cmd.exe", fake_word)
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command = subprocess.list2cmdline(['bitsadmin.exe', '/Transfer', '/Download', url, dest_path])
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common.execute([fake_word, "/c", command], timeout=15, kill=True)
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common.execute(['taskkill', '/f', '/im', 'bitsadmin.exe'])
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common.remove_files(dest_path, fake_word)
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if __name__ == "__main__":
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exit(main())
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