Scheduled Tasks Names Used By SVR For GraphicalProton Backdoor - Task Scheduler
Hunts for known SVR-specific scheduled task names
Sigma rule (View on GitHub)
1title: Scheduled Tasks Names Used By SVR For GraphicalProton Backdoor - Task Scheduler
2id: 2bfc1373-0220-4fbd-8b10-33ddafd2a142
3related:
4 - id: 8fa65166-f463-4fd2-ad4f-1436133c52e1 # Security-Audting Eventlog
5 type: similar
6status: experimental
7description: Hunts for known SVR-specific scheduled task names
8author: CISA
9references:
10 - https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-347a
11date: 2023-12-18
12tags:
13 - attack.persistence
14logsource:
15 product: windows
16 service: taskscheduler
17 definition: 'Requirements: The "Microsoft-Windows-TaskScheduler/Operational" is disabled by default and needs to be enabled in order for this detection to trigger'
18detection:
19 selection:
20 EventID:
21 - 129 # Task Created
22 - 140 # Task Updated
23 - 141 # Task Deleted
24 TaskName:
25 - '\defender'
26 - '\Microsoft\DefenderService'
27 - '\Microsoft\Windows\Application Experience\StartupAppTaskCheck'
28 - '\Microsoft\Windows\Application Experience\StartupAppTaskCkeck'
29 - '\Microsoft\Windows\ATPUpd'
30 - '\Microsoft\Windows\Data Integrity Scan\Data Integrity Update'
31 - '\Microsoft\Windows\DefenderUPDService'
32 - '\Microsoft\Windows\IISUpdateService'
33 - '\Microsoft\Windows\Speech\SpeechModelInstallTask'
34 - '\Microsoft\Windows\WiMSDFS'
35 - '\Microsoft\Windows\Windows Defender\Defender Update Service'
36 - '\Microsoft\Windows\Windows Defender\Service Update'
37 - '\Microsoft\Windows\Windows Error Reporting\CheckReporting'
38 - '\Microsoft\Windows\Windows Error Reporting\SubmitReporting'
39 - '\Microsoft\Windows\Windows Filtering Platform\BfeOnServiceStart'
40 - '\Microsoft\Windows\WindowsDefenderService'
41 - '\Microsoft\Windows\WindowsDefenderService2'
42 - '\Microsoft\Windows\WindowsUpdate\Scheduled AutoCheck'
43 - '\Microsoft\Windows\WindowsUpdate\Scheduled Check'
44 - '\WindowUpdate'
45 condition: selection
46falsepositives:
47 - Unknown
48level: high
References
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