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Kerberoasting Attempt

Low Open
ALR-00320 · 2026-04-06T21:06:49Z

Description

Kerberoasting attack detected: user 'a.wilson' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Network IDS.

Alert Metadata

Alert ID
ALR-00320
Timestamp
2026-04-06T21:06:49Z
Severity
Low
Status
Open
Detection Source
Network IDS
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-MAIL-01
User Account
a.wilson
Source IP
91.19.195.21
Destination IP
10.1.57.196
Origin Country
NL Netherlands

MITRE ATT&CK Mapping

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

Investigation Timeline

21:06:49 Event ingested by SOC365 Engine
21:06:53 EmilyAI triage started — correlation enrichment
21:06:54 EmilyAI confidence: 86% — escalated to human analyst
21:07:13 Alert assigned to analyst: EmilyAI (auto)
21:09:15 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00392 7h ago Unusual Outbound Traffic Low Resolved SRV-MAIL-01
ALR-00121 10h ago Kerberoasting Attempt Low Open SW-CORE-01
ALR-00216 23h ago Tor Exit Node Connection Low False Positive SRV-MAIL-01
ALR-00381 1d ago Kerberoasting Attempt High Escalated WS-LAP-012
ALR-00435 1d ago Pass-the-Hash Detected Informational False Positive SRV-MAIL-01