eric-forte-elastic
41 lines
1.4 KiB
Python
41 lines
1.4 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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from . import common
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from . import RtaMetadata
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metadata = RtaMetadata(
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uuid="8cb1d15d-d945-4f1c-9238-b221600156bc",
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platforms=["windows"],
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endpoint=[
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{"rule_name": "Binary Masquerading via Untrusted Path", "rule_id": "35dedf0c-8db6-4d70-b2dc-a133b808211f"},
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{"rule_name": "Remote MSI Package Installation via MSIEXEC", "rule_id": "706bf4ca-45b7-4eb1-acae-b1228124594a"},
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],
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siem=[],
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techniques=["T1218", "T1036"],
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)
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EXE_FILE = common.get_path("bin", "renamed_posh.exe")
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@common.requires_os(*metadata.platforms)
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def main():
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msiexec = "C:\\Users\\Public\\msiexec.exe"
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common.copy_file(EXE_FILE, msiexec)
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set_reg_cmd = "Set-ItemProperty -Path 'HKLM:\\SOFTWARE' -Name 'InstallSource' -Value http://google.com"
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rem_reg_cmd = "Remove-ItemProperty -Path 'HKLM:\\SOFTWARE' -Name 'InstallSource'"
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# Execute command
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common.log("Creating reg key using fake msiexec")
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common.execute([msiexec, "/c", set_reg_cmd, "; cmd.exe", "/V"], timeout=5, kill=True)
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common.execute([msiexec, "/c", rem_reg_cmd], timeout=5, kill=True)
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common.remove_file(msiexec)
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if __name__ == "__main__":
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exit(main())
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