51 lines
1.5 KiB
YAML
51 lines
1.5 KiB
YAML
title: Sticky Key Like Backdoor Usage
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author: Florian Roth, @twjackomo, Jonhnathan Ribeiro, oscd.community
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date: 2018/03/15
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description: Detects the usage and installation of a backdoor that uses an option
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to register a malicious debugger for built-in tools that are accessible in the
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login screen
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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ParentImage: '*\winlogon.exe'
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SELECTION_3:
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Image: '*\cmd.exe'
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SELECTION_4:
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CommandLine: '*sethc.exe*'
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SELECTION_5:
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CommandLine: '*utilman.exe*'
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SELECTION_6:
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CommandLine: '*osk.exe*'
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SELECTION_7:
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CommandLine: '*Magnify.exe*'
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SELECTION_8:
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CommandLine: '*Narrator.exe*'
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SELECTION_9:
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CommandLine: '*DisplaySwitch.exe*'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and (SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9))
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falsepositives:
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- Unlikely
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id: 2fdefcb3-dbda-401e-ae23-f0db027628bc
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2021/09/12
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references:
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- https://blogs.technet.microsoft.com/jonathantrull/2016/10/03/detecting-sticky-key-backdoors/
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related:
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- id: baca5663-583c-45f9-b5dc-ea96a22ce542
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type: derived
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tags:
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- attack.privilege_escalation
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- attack.persistence
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- attack.t1015
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- attack.t1546.008
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- car.2014-11-003
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- car.2014-11-008
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yml_filename: process_creation_stickykey_like_backdoor.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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