eric-forte-elastic
44 lines
1.4 KiB
Python
44 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="2cd02bee-6774-4b93-a632-995462440371",
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platforms=["windows"],
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endpoint=[],
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siem=[{
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'rule_id': 'b64b183e-1a76-422d-9179-7b389513e74d',
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'rule_name': 'Windows Script Interpreter Executing Process via WMI'
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}],
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techniques=['T1566', 'T1566.001'],
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)
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EXE_FILE = common.get_path("bin", "renamed_posh.exe")
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PS1_FILE = common.get_path("bin", "Invoke-ImageLoad.ps1")
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@common.requires_os(*metadata.platforms)
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def main():
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cscript = "C:\\Users\\Public\\cscript.exe"
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user32 = "C:\\Windows\\System32\\user32.dll"
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dll = "C:\\Users\\Public\\wmiutils.dll"
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ps1 = "C:\\Users\\Public\\Invoke-ImageLoad.ps1"
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wmiprvse = "C:\\Users\\Public\\WmiPrvSE.exe"
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common.copy_file(EXE_FILE, cscript)
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common.copy_file(user32, dll)
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common.copy_file(PS1_FILE, ps1)
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common.copy_file(EXE_FILE, wmiprvse)
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common.log("Loading wmiutils.dll into fake cscript")
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common.execute([cscript, "-c", f"Import-Module {ps1}; Invoke-ImageLoad {dll}"], timeout=10)
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common.execute([wmiprvse, "/c", cscript], timeout=1, kill=True)
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common.remove_files(cscript, dll, ps1)
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if __name__ == "__main__":
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exit(main())
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