59 lines
1.5 KiB
YAML
59 lines
1.5 KiB
YAML
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title: Suspicious Atbroker Execution
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author: Mateusz Wydra, oscd.community
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date: 2020/10/12
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description: Atbroker executing non-deafualt Assistive Technology applications
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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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Image: '*AtBroker.exe'
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SELECTION_3:
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CommandLine: '*start*'
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SELECTION_4:
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CommandLine:
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- '*animations*'
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- '*audiodescription*'
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- '*caretbrowsing*'
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- '*caretwidth*'
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- '*colorfiltering*'
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- '*cursorscheme*'
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- '*filterkeys*'
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- '*focusborderheight*'
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- '*focusborderwidth*'
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- '*highcontrast*'
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- '*keyboardcues*'
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- '*keyboardpref*'
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- '*magnifierpane*'
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- '*messageduration*'
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- '*minimumhitradius*'
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- '*mousekeys*'
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- '*Narrator*'
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- '*osk*'
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- '*overlappedcontent*'
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- '*showsounds*'
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- '*soundsentry*'
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- '*stickykeys*'
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- '*togglekeys*'
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- '*windowarranging*'
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- '*windowtracking*'
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- '*windowtrackingtimeout*'
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- '*windowtrackingzorder*'
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condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3) and not (SELECTION_4))
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falsepositives:
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- Legitimate, non-default assistive technology applications execution
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id: f24bcaea-0cd1-11eb-adc1-0242ac120002
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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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modified: 2021/08/14
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references:
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- http://www.hexacorn.com/blog/2016/07/22/beyond-good-ol-run-key-part-42/
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- https://lolbas-project.github.io/lolbas/Binaries/Atbroker/
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1218
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ruletype: SIGMA
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