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Suspicious PowerShell Execution

Low False Positive
ALR-00081 · 2026-05-26T10:45:48Z

Description

Encoded PowerShell command executed on VM-DEV-01 by user 'system'. Command attempts to download and execute remote payload. Flagged by Email Gateway.

Alert Metadata

Alert ID
ALR-00081
Timestamp
2026-05-26T10:45:48Z
Severity
Low
Status
False Positive
Detection Source
Email Gateway
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
VM-DEV-01
User Account
system
Source IP
91.36.195.111
Destination IP
10.1.51.72
Origin Country
BR Brazil

MITRE ATT&CK Mapping

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

Investigation Timeline

10:45:48 Event ingested by SOC365 Engine
10:45:51 EmilyAI triage started — correlation enrichment
10:45:59 EmilyAI confidence: 78% — escalated to human analyst
10:46:24 Alert assigned to analyst: EmilyAI (auto)
10:46:58 Investigation started — querying SIEM and threat intelligence
10:52:21 Containment action taken — endpoint isolated
11:03:01 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00476 21m ago Unusual Outbound Traffic Medium False Positive VM-DEV-01
ALR-00271 1h ago Port Scan Detected Low Open VM-DEV-01
ALR-00316 13h ago Suspicious PowerShell Execution Low Open WS-MAC-005
ALR-00312 17h ago Suspicious PowerShell Execution Low Investigating SRV-DC-01
ALR-00344 20h ago Brute Force SSH Low Resolved VM-DEV-01