ET PHISHING ODx /next.php Exfil Activity M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:9;
content:"/next.php"; fast_pattern;
http.host;
pcre:"/^[0-9]{9,10}\.(cfd|my\.id|sbs|xyz)$/i";
Raw source ET PHISHING ODx /next.php Exfil Activity M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET PHISHING ODx /next.php Exfil Activity M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:9;
    content:"/next.php"; fast_pattern;
    http.host;
    pcre:"/^[0-9]{9,10}\.(cfd|my\.id|sbs|xyz)$/i";
    reference:url,t7f4e9n3.delivery.rocketcdn.me/wp-content/uploads/2025/06/Sekoia_io___Global_analysis_of_Adversary_in_the_Middle_phishing_threats.pdf;
    reference:url,microsoft.com/en-us/security/blog/2023/06/08/detecting-and-mitigating-a-multi-stage-aitm-phishing-and-bec-campaign/;
    classtype:credential-theft;
    sid:2063536; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_07_16, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Phishing, tag ODx, tag Storm_1167, updated_at 2025_07_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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