Potential DCOM InternetExplorer.Application DLL Hijack - Image Load

calendar Jun 1, 2023 · attack.lateral_movement attack.t1021.002 attack.t1021.003  ·
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Detects potential DLL hijack of "iertutil.dll" found in the DCOM InternetExplorer.Application Class

Sigma rule (View on GitHub)

 1title: Potential DCOM InternetExplorer.Application DLL Hijack - Image Load
 2id: f354eba5-623b-450f-b073-0b5b2773b6aa
 3related:
 4    - id: e554f142-5cf3-4e55-ace9-a1b59e0def65
 5      type: obsoletes
 6    - id: 2f7979ae-f82b-45af-ac1d-2b10e93b0baa
 7      type: similar
 8status: test
 9description: Detects potential DLL hijack of "iertutil.dll" found in the DCOM InternetExplorer.Application Class
10references:
11    - https://threathunterplaybook.com/hunts/windows/201009-RemoteDCOMIErtUtilDLLHijack/notebook.html
12author: Roberto Rodriguez @Cyb3rWard0g, Open Threat Research (OTR), wagga
13date: 2020/10/12
14modified: 2022/12/18
15tags:
16    - attack.lateral_movement
17    - attack.t1021.002
18    - attack.t1021.003
19logsource:
20    product: windows
21    category: image_load
22detection:
23    selection:
24        Image|endswith: '\Internet Explorer\iexplore.exe'
25        ImageLoaded|endswith: '\Internet Explorer\iertutil.dll'
26    condition: selection
27falsepositives:
28    - Unknown
29level: critical

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