Sigma Rule Library

Loading Diagcab Package From Remote Path

Detects loading of diagcab packages from a remote path, as seen in DogWalk vulnerability

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Detection logic

selection

EventID: 101
PackagePath|contains: \\\\

Condition

selection

Raw YAML

title: Loading Diagcab Package From Remote Path
id: 50cb47b8-2c33-4b23-a2e9-4600657d9746
status: test
description: Detects loading of diagcab packages from a remote path, as seen in DogWalk vulnerability
references:
    - https://twitter.com/nas_bench/status/1539679555908141061
    - https://twitter.com/j00sean/status/1537750439701225472
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-14
tags:
    - attack.execution
logsource:
    product: windows
    service: diagnosis-scripted
detection:
    selection:
        EventID: 101
        PackagePath|contains: '\\\\' # Example would be: \\webdav-test.herokuapp.com@ssl\DavWWWRoot\package
    condition: selection
falsepositives:
    - Legitimate package hosted on a known and authorized remote location
level: high

False positives

  • Legitimate package hosted on a known and authorized remote location

References