ET MALWARE Operation SpoofedScholars Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/connect/?memberemailid="; startswith; fast_pattern;
pcre:"/^[A-Z]{2}-[A-Z0-9]{10,20}-[A-Z0-9]{6,10}-[A-Z0-9]{2,8}-[A-Z0-9]{2,8}-[0-9]{2,5}$/R";
http.header_names;
content:!"Referer";
Raw source ET MALWARE Operation SpoofedScholars Activity (GET) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Operation SpoofedScholars Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/connect/?memberemailid="; startswith; fast_pattern;
    pcre:"/^[A-Z]{2}-[A-Z0-9]{10,20}-[A-Z0-9]{6,10}-[A-Z0-9]{2,8}-[A-Z0-9]{2,8}-[0-9]{2,5}$/R";
    http.header_names;
    content:!"Referer";
    classtype:trojan-activity;
    sid:2033317; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_07_12, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_12;
)

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