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Rogue DHCP Server

Low Investigating
ALR-00114 · 2026-05-26T01:12:51Z

Description

Rogue DHCP server detected on VLAN 10 from WS-LAP-012. Offering IPs in unexpected range. Endpoint Agent quarantined the device.

Alert Metadata

Alert ID
ALR-00114
Timestamp
2026-05-26T01:12:51Z
Severity
Low
Status
Investigating
Detection Source
Endpoint Agent
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-012
User Account
a.wilson
Source IP
45.147.148.14
Destination IP
10.3.109.99
Origin Country
FR France

MITRE ATT&CK Mapping

Tactic
Discovery
Technique
T1557.003
Reference
attack.mitre.org/techniques/T1557.003

Investigation Timeline

01:12:51 Event ingested by SOC365 Engine
01:12:54 EmilyAI triage started — correlation enrichment
01:13:02 EmilyAI confidence: 89% — escalated to human analyst
01:13:31 Alert assigned to analyst: EmilyAI (auto)
01:13:55 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00200 4h ago Rogue DHCP Server Informational False Positive SRV-FILE-01
ALR-00371 5h ago Rogue DHCP Server Low False Positive SW-CORE-01
ALR-00025 7h ago Rogue DHCP Server Medium False Positive WS-LAP-011
ALR-00164 7h ago Rogue DHCP Server High Investigating SRV-MAIL-01
ALR-00008 8h ago DecoyPulse Honeypot Triggered Low Open WS-LAP-012