Emerging Threathightest
Suspicious VBScript UN2452 Pattern
Detects suspicious inline VBScript keywords as used by UNC2452
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Launch
Florian Roth (Nextron Systems)Created Fri Mar 05Updated Sun Oct 0920c3f09d-c53d-4e85-8b74-6aa50e2f1b612020
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection:
CommandLine|contains|all:
- 'Execute'
- 'CreateObject'
- 'RegRead'
- 'window.close'
- '\Microsoft\Windows\CurrentVersion'
filter:
CommandLine|contains: '\Software\Microsoft\Windows\CurrentVersion\Run'
condition: selection and not filterFalse 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
20c3f09d-c53d-4e85-8b74-6aa50e2f1b61
Status
test
Level
high
Type
Emerging Threat
Created
Fri Mar 05
Modified
Sun Oct 09
Path
rules-emerging-threats/2020/TA/SolarWinds-Supply-Chain/proc_creation_win_apt_unc2452_vbscript_pattern.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.t1547.001detection.emerging-threats