eric-forte-elastic
39 lines
1.2 KiB
Python
39 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: PowerShell with base64/gzip
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# RTA: powershell_base64_gzip.py
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# ATT&CK: T1140
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# Description: Calls PowerShell with command-line that contains base64/gzip
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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="38defc7e-7234-45a2-83ef-e845d0eba3f2",
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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": "81fe9dc6-a2d7-4192-a2d8-eed98afc766a",
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"rule_name": "PowerShell Suspicious Payload Encoded and Compressed",
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}
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],
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techniques=["T1140", "T1027", "T1059"],
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)
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@common.requires_os(*metadata.platforms)
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def main():
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common.log("PowerShell with base64/gzip")
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command = "powershell.exe -noni -nop -w hidden -c &([scriptblock]::create((New-Object IO.StreamReader(New-Object IO.Compression.GzipStream((New-Object IO.MemoryStream(,[Convert]::FromBase64String(aaa)" # noqa: E501
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common.execute(command)
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if __name__ == "__main__":
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exit(main())
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