Emerging Threatcriticaltest
Diamond Sleet APT Scheduled Task Creation
Detects registry event related to the creation of a scheduled task used by Diamond Sleet APT during exploitation of Team City CVE-2023-42793 vulnerability
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
Windowssecurity
ProductWindows← raw: windows
Servicesecurity← raw: security
Definition
The Advanced Audit Policy setting Object Access > Audit Other Object Access Events has to be configured to allow this detection. We also recommend extracting the Command field from the embedded XML in the event data.
Detection Logic
Detection Logic1 selector
detection:
selection:
EventID: 4698
TaskName: '\Windows TeamCity Settings User Interface'
TaskContent|contains: 'uTYNkfKxHiZrx3KJ'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Sub-techniques
Other
detection.emerging-threats
Rule Metadata
Rule ID
3b8e5084-4de9-449a-a40d-0e11014f2e2d
Status
test
Level
critical
Type
Emerging Threat
Created
Tue Oct 24
Path
rules-emerging-threats/2023/TA/Diamond-Sleet/win_security_apt_diamond_sleet_scheduled_task.yml
Raw Tags
attack.executionattack.privilege-escalationattack.persistenceattack.t1053.005detection.emerging-threats