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Anomalous DNS Query

Low Escalated
ALR-00122 · 2026-04-09T01:39:05Z

Description

DNS query to known DGA-generated domain from SRV-DC-01. Email Gateway matched pattern against threat intelligence feed. User: system.

Alert Metadata

Alert ID
ALR-00122
Timestamp
2026-04-09T01:39:05Z
Severity
Low
Status
Escalated
Detection Source
Email Gateway
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-DC-01
User Account
system
Source IP
185.242.220.67
Destination IP
10.3.79.230
Origin Country
CN China

MITRE ATT&CK Mapping

Tactic
Command and Control
Technique
T1568.002
Reference
attack.mitre.org/techniques/T1568.002

Investigation Timeline

01:39:05 Event ingested by SOC365 Engine
01:39:09 EmilyAI triage started — correlation enrichment
01:39:10 EmilyAI confidence: 81% — escalated to human analyst
01:39:28 Alert assigned to analyst: EmilyAI (auto)
01:41:14 Investigation started — querying SIEM and threat intelligence
01:43:52 Containment action taken — endpoint isolated
01:55:37 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00273 26m ago Anomalous DNS Query Low Open SRV-SQL-01
ALR-00012 2h ago C2 Beacon Activity Low Open SRV-DC-01
ALR-00162 2h ago Anomalous DNS Query Medium Investigating SRV-DC-01
ALR-00453 11h ago Anomalous DNS Query Low Open FW-EDGE-01
ALR-00241 12h ago Pass-the-Hash Detected Medium Investigating SRV-DC-01