Detectionhightest
Suspicious UltraVNC Execution
Detects suspicious UltraVNC command line flag combination that indicate a auto reconnect upon execution, e.g. startup (as seen being used by Gamaredon threat group)
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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 Logic1 selector
detection:
selection:
CommandLine|contains|all:
- '-autoreconnect '
- '-connect '
- '-id:'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
871b9555-69ca-4993-99d3-35a59f9f3599
Status
test
Level
high
Type
Detection
Created
Fri Mar 04
Modified
Wed Mar 09
Author
Path
rules/windows/process_creation/proc_creation_win_ultravnc_susp_execution.yml
Raw Tags
attack.lateral-movementattack.g0047attack.t1021.005