sigmaDRL-1.1from SigmaHQ/sigma

Persistence Via Hhctrl.ocx

Detects when an attacker modifies the registry value of the "hhctrl" to point to a custom binary

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Rule sourcerules/windows/registry/registry_set/registry_set_hhctrl_persistence.yml

title: Persistence Via Hhctrl.ocx
id: f10ed525-97fe-4fed-be7c-2feecca941b1
status: test
description: Detects when an attacker modifies the registry value of the "hhctrl" to point to a custom binary
references:
    - https://persistence-info.github.io/Data/hhctrl.html
    - https://www.hexacorn.com/blog/2018/04/23/beyond-good-ol-run-key-part-77/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-21
modified: 2023-08-17
tags:
    - attack.persistence
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\CLSID\{52A2AAAE-085D-4187-97EA-8C30DB990436}\InprocServer32\(Default)'
    filter:
        Details: 'C:\Windows\System32\hhctrl.ocx'
    condition: selection and not filter
falsepositives:
    - Unlikely
level: high