eric-forte-elastic
46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
|
|
# or more contributor license agreements. Licensed under the Elastic License
|
|
# 2.0; you may not use this file except in compliance with the Elastic License
|
|
# 2.0.
|
|
|
|
from . import common
|
|
from . import RtaMetadata
|
|
|
|
|
|
metadata = RtaMetadata(
|
|
uuid="f5c31db1-a376-47b3-9ba3-a946408e2bbc",
|
|
platforms=["windows"],
|
|
endpoint=[
|
|
{"rule_name": "Suspicious Parent-Child Relationship", "rule_id": "18a26e3e-e535-4d23-8ffa-a3cdba56d16e"},
|
|
{"rule_name": "Binary Masquerading via Untrusted Path", "rule_id": "35dedf0c-8db6-4d70-b2dc-a133b808211f"},
|
|
{
|
|
"rule_name": "UAC Bypass Attempt via DismCore DLL Side-Loading",
|
|
"rule_id": "38210b91-f593-4c1c-a582-e5309c5b5168",
|
|
},
|
|
],
|
|
siem=[],
|
|
techniques=["T1574", "T1055", "T1548", "T1036"],
|
|
)
|
|
|
|
EXE_FILE = common.get_path("bin", "renamed_posh.exe")
|
|
|
|
|
|
@common.requires_os(*metadata.platforms)
|
|
def main():
|
|
dism = "C:\\Users\\Public\\Dism.exe"
|
|
dllhost = "C:\\Users\\Public\\dllhost.exe"
|
|
dccwpathdll = "C:\\Users\\Public\\a.dll"
|
|
dccwpathdll2 = "C:\\Users\\Public\\DismCore.dll"
|
|
powershell = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
|
|
common.copy_file(EXE_FILE, dism)
|
|
common.copy_file(EXE_FILE, dllhost)
|
|
common.copy_file(EXE_FILE, dccwpathdll)
|
|
|
|
common.execute([dllhost, "/c", f"Rename-Item {dccwpathdll} {dccwpathdll2}"], timeout=10)
|
|
common.execute([dism, "/c", powershell], timeout=2, kill=True)
|
|
common.remove_files(dism, dllhost, dccwpathdll2)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
exit(main())
|