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new: Microsoft Word Add-In Loaded --------- Co-authored-by: nasbench <8741929+nasbench@users.noreply.github.com>
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rules-threat-hunting/windows/image_load/image_load_office_word_wll_load.yml
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title: Microsoft Word Add-In Loaded | ||
id: 1337afba-d17d-4d23-bd55-29b927603b30 | ||
status: experimental | ||
description: | | ||
Detects Microsoft Word loading an Add-In (.wll) file which can be used by threat actors for initial access or persistence. | ||
references: | ||
- https://labs.withsecure.com/publications/add-in-opportunities-for-office-persistence | ||
- https://nored0x.github.io/red-teaming/office-persistence/#what-is-a-wll-file | ||
author: Steffen Rogge (dr0pd34d) | ||
date: 2024/07/10 | ||
tags: | ||
- attack.execution | ||
- attack.t1204.002 | ||
- detection.threat_hunting | ||
logsource: | ||
category: image_load | ||
product: windows | ||
detection: | ||
selection: | ||
Image|endswith: '\winword.exe' | ||
ImageLoaded|endswith: '.wll' | ||
condition: selection | ||
falsepositives: | ||
- The rules is only looking for ".wll" loads. So some false positives are expected with legitimate and allowed WLLs. | ||
level: low |
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