Ingress Transfer via Windows Utility


Description

Identifies attempt to download remote content by commonly abused ingress tool transfer binaries.

Query · eql

process where event.action == "start" and
(
 ((process.name : "CertUtil.exe" or process.pe.original_file_name == "CertUtil.exe") and
  process.args : "-urlcache" and process.command_line : "*http*") or

 ((process.pe.original_file_name == "CertReq.exe" or process.name : "CertReq.exe") and
  process.args : "-Post" and process.command_line : "*http*")
 )
Raw source Ingress Transfer via Windows Utility · Elastic TOML
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Published by elastic/protections-artifacts ↗, licensed under Elastic License 2.0 ↗. Reproduced here unmodified.
[rule]
description = "Identifies attempt to download remote content by commonly abused ingress tool transfer binaries."
id = "4e3a6c40-37b7-466f-8ed4-8e40b2cf3c5b"
license = "Elastic License v2"
name = "Ingress Transfer via Windows Utility"
os_list = ["windows"]
version = "1.0.3"

query = '''
process where event.action == "start" and
(
 ((process.name : "CertUtil.exe" or process.pe.original_file_name == "CertUtil.exe") and
  process.args : "-urlcache" and process.command_line : "*http*") or

 ((process.pe.original_file_name == "CertReq.exe" or process.name : "CertReq.exe") and
  process.args : "-Post" and process.command_line : "*http*")
 )
'''

min_endpoint_version = "7.15.0"
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0

[[optional_actions]]
action = "rollback"
field = "process.entity_id"
state = 0

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1105"
name = "Ingress Tool Transfer"
reference = "https://attack.mitre.org/techniques/T1105/"


[threat.tactic]
id = "TA0011"
name = "Command and Control"
reference = "https://attack.mitre.org/tactics/TA0011/"

[internal]
min_endpoint_version = "7.15.0"

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