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Suspicious PowerShell Execution

Medium False Positive
ALR-00136 · 2026-04-11T04:32:12Z

Description

Encoded PowerShell command executed on SRV-MAIL-01 by user 'h.roberts'. Command attempts to download and execute remote payload. Flagged by Firewall.

Alert Metadata

Alert ID
ALR-00136
Timestamp
2026-04-11T04:32:12Z
Severity
Medium
Status
False Positive
Detection Source
Firewall
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
SRV-MAIL-01
User Account
h.roberts
Source IP
45.84.148.109
Destination IP
10.0.199.138
Origin Country
CN China

MITRE ATT&CK Mapping

Tactic
Execution
Technique
T1059.001
Reference
attack.mitre.org/techniques/T1059.001

Investigation Timeline

04:32:12 Event ingested by SOC365 Engine
04:32:13 EmilyAI triage started — correlation enrichment
04:32:17 EmilyAI confidence: 86% — escalated to human analyst
04:32:47 Alert assigned to analyst: Sarah Chen
04:34:12 Investigation started — querying SIEM and threat intelligence
04:38:43 Containment action taken — endpoint isolated
04:44:45 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00196 5h ago Phishing Email Blocked Low False Positive SRV-MAIL-01
ALR-00192 5h ago DLP Policy Violation Critical Investigating SRV-MAIL-01
ALR-00070 6h ago Suspicious PowerShell Execution Medium False Positive SRV-MAIL-01
ALR-00045 8h ago Suspicious PowerShell Execution Medium False Positive SRV-DC-01
ALR-00363 9h ago Suspicious PowerShell Execution Low False Positive FW-EDGE-01