Detectionmediumtest
Cloudflared Tunnel Connections Cleanup
Detects execution of the "cloudflared" tool with the tunnel "cleanup" flag in order to cleanup tunnel connections.
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Nasreddine Bencherchali (Nextron Systems)Created Wed May 17Updated Thu Dec 217050bba1-1aed-454e-8f73-3f46f09ce56awindows
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:
- ' tunnel '
- 'cleanup '
CommandLine|contains:
- '-config '
- '-connector-id '
condition: selectionFalse Positives
Legitimate usage of Cloudflared.
MITRE ATT&CK
Rule Metadata
Rule ID
7050bba1-1aed-454e-8f73-3f46f09ce56a
Status
test
Level
medium
Type
Detection
Created
Wed May 17
Modified
Thu Dec 21
Path
rules/windows/process_creation/proc_creation_win_cloudflared_tunnel_cleanup.yml
Raw Tags
attack.command-and-controlattack.t1102attack.t1090attack.t1572