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Detection rules › Sigma

COM Hijack via Sdclt

Status
test
Severity
high
Log source
product windows, category registry_set
Author
Omkar Gudhate
Source
github.com/SigmaHQ/sigma

Detects changes to 'HKCU\Software\Classes\Folder\shell\open\command\DelegateExecute'

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1546 Event Triggered Execution
Privilege EscalationT1546 Event Triggered Execution, T1548 Abuse Elevation Control Mechanism

Event coverage

ProviderEventTitle
SysmonEvent ID 13RegistryEvent (Value Set)

Rule body yaml

title: COM Hijack via Sdclt
id: 07743f65-7ec9-404a-a519-913db7118a8d
status: test
description: Detects changes to 'HKCU\Software\Classes\Folder\shell\open\command\DelegateExecute'
references:
    - http://blog.sevagas.com/?Yet-another-sdclt-UAC-bypass
    - https://www.exploit-db.com/exploits/47696
author: Omkar Gudhate
date: 2020-09-27
modified: 2023-09-28
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1546
    - attack.t1548
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: '\Software\Classes\Folder\shell\open\command\DelegateExecute'
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject|contains: '\Software\Classes\Folder\shell\open\command\DelegateExecute'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
TargetObjectmatch
  • \Software\Classes\Folder\shell\open\command\DelegateExecute