ET ATTACK_RESPONSE Matahari client

Query · suricata

flow:to_server,established;
http.header;
content:"Accept|2d|Encoding|3a 20|identity|0d 0a|";
content:"Next|2d|Polling"; fast_pattern;
content:"Content|2d|Salt|3a 20|";
pcre:"/Content\x2dSalt\x3a\x20[0-9\.\-]+\x0d\x0a/i";
Raw source ET ATTACK_RESPONSE Matahari client · 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 ATTACK_RESPONSE Matahari client";
    flow:to_server,established;
    http.header;
    content:"Accept|2d|Encoding|3a 20|identity|0d 0a|";
    content:"Next|2d|Polling"; fast_pattern;
    content:"Content|2d|Salt|3a 20|";
    pcre:"/Content\x2dSalt\x3a\x20[0-9\.\-]+\x0d\x0a/i";
    classtype:trojan-activity;
    sid:2010795; rev:13;
    metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_19;
)

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