US-046US-047US-048US-049US-050US-051US-052US-053US-054US-106
L8 — Malware Detection & Response
ClamAV · YARA · Trivy · VirusTotal · Claude AI Triage · Wazuh Active Response
1
Pending Approval
3
Auto-Remediated
1
Human Gated
12
Agents Protected
⚠ Pending Human Approval — Action Required US-051, US-052
System-wide or server detections always require human approval — auto-remediation is blocked.
CRITICAL
Ransomware behaviour detected — PROD-WEB-01
Detected 07:14:32 · 28 min ago · ⏱ Auto-escalate in 2 min
Detection Details
| File | /var/www/html/wp-content/uploads/.system.php |
| SHA256 | 3a9f1b2c4d8e7f0a… |
| ClamAV | PHP.Webshell.Generic-19 |
| YARA Rule | webshell_php_generic_cmd |
| VirusTotal | 58/70 engines detect as malicious |
| Agent | PROD-WEB-01 (production server) |
🤖 Claude AI Analysis US-049
Family: PHP Webshell — Generic Command Execution
Category: Remote Access Trojan (RAT)
Severity: 9.4/10 (Critical)
MITRE: T1505.003 — Server Software Component: Web Shell
Assessment: This webshell allows full remote command execution on the server. It was likely dropped via a vulnerable WordPress plugin. Immediate removal recommended. Production server — human approval required before action.
Category: Remote Access Trojan (RAT)
Severity: 9.4/10 (Critical)
MITRE: T1505.003 — Server Software Component: Web Shell
Assessment: This webshell allows full remote command execution on the server. It was likely dropped via a vulnerable WordPress plugin. Immediate removal recommended. Production server — human approval required before action.
AI Confidence: 97% · Generated in 1.4s · Tokens: 842
Proposed Response Actions
# Quarantine command (Linux)
mv /var/www/html/wp-content/uploads/.system.php /var/quarantine/.system.php.$(date +%s)
chmod 000 /var/quarantine/.system.php.*
# Removal command (after verification)
rm -f /var/quarantine/.system.php.*
find /var/www/html -name "*.php" -newer /var/www/html/index.php -ls
# Verify WordPress file integrity
wp core verify-checksums --allow-root
Auto-Remediated Incidents (confidence ≥ 95%, isolated endpoint) US-050
| Incident ID | Agent | Malware Family | AI Confidence | Action Taken | Time | Report |
|---|---|---|---|---|---|---|
| #INC-0421 | DEV-LAPTOP-04 | Trojan.GenericKD.71234892 | 98% | Quarantined · removed | 14 Jun 2026 14:22 | |
| #INC-0418 | WIN-OFFICE-03 | PUA.Win.Adware.MindSpark | 96% | Quarantined | 12 Jun 2026 09:11 | |
| #INC-0412 | DEV-LAPTOP-02 | PHP.Webshell.SmallGen | 99% | Quarantined · removed · WP re-verified | 08 Jun 2026 16:48 |
YARA Rule Management US-047, US-054
| Rule Name | Category | Source | Detections (30d) | Status |
|---|---|---|---|---|
| webshell_php_generic_cmd | Web Shell | SOCVault Custom | 3 | Active |
| ransomware_lockbit3_mutex | Ransomware | Community Feed | 0 | Active |
| trojan_emotet_v5_strings | Trojan | Community Feed | 0 | Active |
| custom_acme_corp_rule_001 | Custom | IT Manager upload | 1 | Active |