SigmaHQ/rules/windows/process_creation/win_susp_atbroker.yml
2021-04-03 00:08:55 +02:00

54 lines
1.5 KiB
YAML

title: Suspicious Atbroker Execution
id: f24bcaea-0cd1-11eb-adc1-0242ac120002
description: Atbroker executing non-deafualt Assistive Technology applications
references:
- http://www.hexacorn.com/blog/2016/07/22/beyond-good-ol-run-key-part-42/
- https://lolbas-project.github.io/lolbas/Binaries/Atbroker/
status: experimental
author: Mateusz Wydra, oscd.community
date: 2020/10/12
tags:
- attack.defense_evasion
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection1:
- Image|endswith: 'AtBroker.exe'
selection2:
- CommandLine|contains: 'start'
filter:
- CommandLine|contains:
- animations
- audiodescription
- caretbrowsing
- caretwidth
- colorfiltering
- cursorscheme
- filterkeys
- focusborderheight
- focusborderwidth
- highcontrast
- keyboardcues
- keyboardpref
- magnifierpane
- messageduration
- minimumhitradius
- mousekeys
- Narrator
- osk
- overlappedcontent
- showsounds
- soundsentry
- stickykeys
- togglekeys
- windowarranging
- windowtracking
- windowtrackingtimeout
- windowtrackingzorder
condition: selection1 and selection2 and not filter
falsepositives:
- Legitimate, non-default assistive technology applications execution
level: high