ET MALWARE OWAReaper C2 File Exfiltration (poison_wizard_error_dom.html)

7.0.3 5.0SID: 2071334Rev: 1Enabled4 views

Fileemerging-malware.rules

CreatedJuly 28, 2026

UpdatedJuly 28, 2026

Classificationtrojan-activity

alert http [$HOME_NET,$SMTP_SERVERS] any -> any any (msg:"ET MALWARE OWAReaper C2 File Exfiltration (poison_wizard_error_dom.html)"; flow:established,to_server; http.uri; content:"/assets/v1_"; pcre:"/^[A-Za-z0-9\x2d\x5f]+$/R"; http.request_body; content:"<!DOCTYPE html>"; content:"|20|focuselement|3d 22|true|22|"; fast_pattern; content:"class|3d 22|ms-font-s|22|"; http.method; content:"POST"; classtype:trojan-activity; sid:2071334; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_07_28, deployment Perimeter, malware_family OWAReaper, confidence High, signature_severity Major, tag c2, updated_at 2026_07_28, former_sid 2868082, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel; target:src_ip;)

Metadata

attack targetClient_Endpoint

created at2026_07_28

deploymentPerimeter

malware familyOWAReaper

confidenceHigh

signature severityMajor

tagc2

updated at2026_07_28

former sid2868082

mitre tactic idTA0010

mitre tactic nameExfiltration

mitre technique idT1041

mitre technique nameExfiltration_Over_C2_Channel

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