Unsigned Image Loaded Into LSASS Process

calendar Oct 4, 2023 · attack.credential_access attack.t1003.001  ·
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Loading unsigned image (DLL, EXE) into LSASS process

Sigma rule (View on GitHub)

 1title: Unsigned Image Loaded Into LSASS Process
 2id: 857c8db3-c89b-42fb-882b-f681c7cf4da2
 3status: test
 4description: Loading unsigned image (DLL, EXE) into LSASS process
 5references:
 6    - https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment
 7author: Teymur Kheirkhabarov, oscd.community
 8date: 2019/10/22
 9modified: 2021/11/27
10tags:
11    - attack.credential_access
12    - attack.t1003.001
13logsource:
14    category: image_load
15    product: windows
16detection:
17    selection:
18        Image|endswith: '\lsass.exe'
19        Signed: 'false'
20    condition: selection
21falsepositives:
22    - Valid user connecting using RDP
23level: medium

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