Decision for 20.91.199.21

Reasons

• High severity exploit activity was observed, but only from a single node.
• Multiple stages of an attack chain were observed within a short time window.
• Observed behavior consistent with post-compromise activity, such as backdoors, webshells, or lateral movement.
• High-confidence indicators of post-exploitation activity were detected.

MITRE ATT&CK Mappings

• Tactics: Command and Control / Persistence, Initial Access
• Techniques: T1059, T1105, T1190

Evidence

• Nodes observed: 1
• Severity: CRITICAL
• TTL remaining: 9d 0h