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Kerberoasting Attempt

High Investigating
ALR-00439 · 2026-10-10T05:24:56Z

Description

Kerberoasting attack detected: user 'system' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Endpoint Agent.

Alert Metadata

Alert ID
ALR-00439
Timestamp
2026-10-10T05:24:56Z
Severity
High
Status
Investigating
Detection Source
Endpoint Agent
Assigned Analyst
Marcus Webb

Endpoint Information

Hostname
WS-PC-001
User Account
system
Source IP
194.251.62.222
Destination IP
10.3.82.145
Origin Country
US United States

MITRE ATT&CK Mapping

Tactic
Credential Access
Technique
T1558.003
Reference
attack.mitre.org/techniques/T1558.003

Investigation Timeline

05:24:56 Event ingested by SOC365 Engine
05:24:58 EmilyAI triage started — correlation enrichment
05:25:05 EmilyAI confidence: 85% — escalated to human analyst
05:25:38 Alert assigned to analyst: Marcus Webb
05:27:46 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00254 10h ago Port Scan Detected Low Open WS-PC-001
ALR-00475 14h ago Kerberoasting Attempt Medium Escalated WS-PC-001
ALR-00379 16h ago Shadow IT Discovery Medium Investigating WS-PC-001
ALR-00334 17h ago Kerberoasting Attempt Informational Open SRV-DC-01
ALR-00445 23h ago Credential Stuffing Attempt Informational Escalated WS-PC-001