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Kerberoasting Attempt

Critical Investigating
ALR-00482 · 2026-05-22T21:14:46Z

Description

Kerberoasting attack detected: user 'f.hall' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Attack Surface Scanner.

Alert Metadata

Alert ID
ALR-00482
Timestamp
2026-05-22T21:14:46Z
Severity
Critical
Status
Investigating
Detection Source
Attack Surface Scanner
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
SRV-FILE-01
User Account
f.hall
Source IP
185.76.220.8
Destination IP
10.2.61.21
Origin Country
IR Iran

MITRE ATT&CK Mapping

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

Investigation Timeline

21:14:46 Event ingested by SOC365 Engine
21:14:50 EmilyAI triage started — correlation enrichment
21:14:59 EmilyAI confidence: 87% — escalated to human analyst
21:15:05 Alert assigned to analyst: Sarah Chen
21:17:31 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00459 1h ago Unauthorised USB Device Low Escalated SRV-FILE-01
ALR-00259 6h ago Kerberoasting Attempt High Investigating WS-LAP-011
ALR-00450 6h ago Kerberoasting Attempt Low Open WS-LAP-012
ALR-00313 12h ago Failed MFA Challenge Informational False Positive SRV-FILE-01
ALR-00182 16h ago Kerberoasting Attempt Informational Escalated SW-CORE-01