45 lines
1.4 KiB
YAML
45 lines
1.4 KiB
YAML
title: Suspicious Debugger Registration Cmdline
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author: Florian Roth, oscd.community, Jonhnathan Ribeiro
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date: 2019/09/06
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description: Detects the registration of a debugger for a program that is available
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in the logon screen (sticky key backdoor).
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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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CommandLine: '*\CurrentVersion\Image File Execution Options\\*'
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SELECTION_3:
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CommandLine: '*sethc.exe*'
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SELECTION_4:
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CommandLine: '*utilman.exe*'
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SELECTION_5:
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CommandLine: '*osk.exe*'
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SELECTION_6:
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CommandLine: '*magnify.exe*'
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SELECTION_7:
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CommandLine: '*narrator.exe*'
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SELECTION_8:
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CommandLine: '*displayswitch.exe*'
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SELECTION_9:
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CommandLine: '*atbroker.exe*'
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condition: (SELECTION_1 and SELECTION_2 and (SELECTION_3 or 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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- Penetration Tests
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id: ae215552-081e-44c7-805f-be16f975c8a2
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level: high
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logsource:
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category: process_creation
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product: windows
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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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status: experimental
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tags:
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- attack.persistence
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- attack.privilege_escalation
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- attack.t1546.008
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- attack.t1015
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yml_filename: win_install_reg_debugger_backdoor.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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