SigmaHQ/rules/windows/builtin/win_dcom_iertutil_dll_hijack.yml
2021-04-08 01:06:40 +02:00

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YAML

title: T1021 DCOM InternetExplorer.Application Iertutil DLL Hijack
id: c39f0c81-7348-4965-ab27-2fde35a1b641
description: Detects a threat actor creating a file named `iertutil.dll` in the `C:\Program Files\Internet Explorer\` directory over the network for a DCOM InternetExplorer DLL Hijack scenario.
status: experimental
date: 2020/10/12
author: Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR)
tags:
- attack.lateral_movement
- attack.t1021.002
- attack.t1021.003
references:
- https://threathunterplaybook.com/notebooks/windows/08_lateral_movement/WIN-201009183000.html
logsource:
product: windows
service: security
detection:
selection:
EventID: 5145
RelativeTargetName|endswith: '\Internet Explorer\iertutil.dll'
filter:
SubjectUserName|endswith: '$'
condition: selection and not filter
falsepositives:
- Unknown
level: critical