Emerging Threathightest
Potential COLDSTEEL Persistence Service DLL Creation
Detects the creation of a file in a specific location and with a specific name related to COLDSTEEL RAT
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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
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event
Events for file system activity including creation, modification, and deletion.
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetFilename|startswith: 'C:\Users\'
TargetFilename|endswith: '\AppData\Roaming\newdev.dll'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Other
detection.emerging-threats
Rule Metadata
Rule ID
1fea93a2-1524-4a3c-9828-3aa0c2414e27
Status
test
Level
high
Type
Emerging Threat
Created
Sun Apr 30
Path
rules-emerging-threats/2023/Malware/COLDSTEEL/file_event_win_malware_coldsteel_service_dll_creation.yml
Raw Tags
attack.persistenceattack.defense-evasiondetection.emerging-threats