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Kerberoasting Attempt

Medium Investigating
ALR-00333 · 2026-07-09T20:23:51Z

Description

Kerberoasting attack detected: user 'd.walker' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Firewall.

Alert Metadata

Alert ID
ALR-00333
Timestamp
2026-07-09T20:23:51Z
Severity
Medium
Status
Investigating
Detection Source
Firewall
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-MAC-005
User Account
d.walker
Source IP
45.180.148.243
Destination IP
10.2.136.11
Origin Country
NG Nigeria

MITRE ATT&CK Mapping

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

Investigation Timeline

20:23:51 Event ingested by SOC365 Engine
20:23:54 EmilyAI triage started — correlation enrichment
20:24:05 EmilyAI confidence: 86% — escalated to human analyst
20:24:26 Alert assigned to analyst: Sarah Chen
20:25:40 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00193 3h ago Kerberoasting Attempt Low Escalated WS-PC-001
ALR-00289 6h ago Tor Exit Node Connection High Investigating WS-MAC-005
ALR-00404 8h ago Anomalous DNS Query Low False Positive WS-MAC-005
ALR-00336 9h ago Anomalous DNS Query Medium Escalated WS-MAC-005
ALR-00126 10h ago Brute Force SSH High Investigating WS-MAC-005