Ross Wolf
a0d3b4bd23
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-Authored-By: Daniel Stepanic <57736958+dstepanic17@users.noreply.github.com> Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com> Co-Authored-By: Joe Desimone <56411054+joe-desimone@users.noreply.github.com> Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
56 lines
1.8 KiB
Python
56 lines
1.8 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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# you may not use this file except in compliance with the Elastic License.
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# Name: Network Traffic from InstallUtil
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# RTA: installutil_network.py
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# ATT&CK: T1118
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# Description: Uses mock .NET malware and InstallUtil to create network activity from InstallUtil.
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import os
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import sys
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from . import common
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MY_DOT_NET = common.get_path("bin", "mydotnet.exe")
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@common.requires_os(common.WINDOWS)
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@common.dependencies(MY_DOT_NET)
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def main():
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server, ip, port = common.serve_web()
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common.clear_web_cache()
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target_app = "mydotnet.exe"
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common.patch_file(MY_DOT_NET, common.wchar(":8000"), common.wchar(":%d" % port), target_file=target_app)
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install_util64 = "C:\\Windows\\Microsoft.NET\\Framework64\\v4.0.30319\\InstallUtil.exe"
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install_util86 = "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"
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fallback = False
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if os.path.exists(install_util64):
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install_util = install_util64
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elif os.path.exists(install_util86):
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install_util = install_util86
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else:
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install_util = None
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fallback = True
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if not fallback:
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common.clear_web_cache()
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common.execute([install_util, '/logfile=', '/LogToConsole=False', '/U', target_app])
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else:
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common.log("Unable to find InstallUtil, creating temp file")
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install_util = os.path.abspath("InstallUtil.exe")
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common.copy_file(sys.executable, install_util)
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common.execute([install_util, "-c", "import urllib; urllib.urlopen('http://%s:%d')" % (common.get_ip(), port)])
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common.remove_file(install_util)
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common.remove_file(target_app)
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server.shutdown()
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if __name__ == "__main__":
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exit(main())
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