ET INFO SUSPICIOUS Java Request to DNSDynamic Dynamic DNS Domain

Query · suricata

flow:to_server,established;
http.user_agent;
content:"Java/1.";
http.host;
pcre:"/\.(?:d(?:ns(?:d(?:ynamic\.(?:com|net)|\.(?:info|me))|api\.info|get\.org|53\.biz)|dns01\.com)|(?:f(?:lashserv|e100|tp21)|adultdns|mysq1|wow64)\.net|(?:(?:ima|voi)p01|(?:user|ole)32|kadm5)\.com|t(?:tl60\.(?:com|org)|empors\.com|ftpd\.net)|s(?:sh(?:01\.com|22\.net)|ql01\.com)|http(?:(?:s443|01)\.com|80\.info)|n(?:s360\.info|tdll\.net)|x(?:ns01\.com|64\.me)|craftx\.biz)(\x3a\d{1,5})?$/";
Raw source ET INFO SUSPICIOUS Java Request to DNSDynamic Dynamic DNS Domain · 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 -> $EXTERNAL_NET any (
    msg:"ET INFO SUSPICIOUS Java Request to DNSDynamic Dynamic DNS Domain";
    flow:to_server,established;
    http.user_agent;
    content:"Java/1.";
    http.host;
    pcre:"/\.(?:d(?:ns(?:d(?:ynamic\.(?:com|net)|\.(?:info|me))|api\.info|get\.org|53\.biz)|dns01\.com)|(?:f(?:lashserv|e100|tp21)|adultdns|mysq1|wow64)\.net|(?:(?:ima|voi)p01|(?:user|ole)32|kadm5)\.com|t(?:tl60\.(?:com|org)|empors\.com|ftpd\.net)|s(?:sh(?:01\.com|22\.net)|ql01\.com)|http(?:(?:s443|01)\.com|80\.info)|n(?:s360\.info|tdll\.net)|x(?:ns01\.com|64\.me)|craftx\.biz)(\x3a\d{1,5})?$/";
    classtype:bad-unknown;
    sid:2016583; rev:6;
    metadata:created_at 2013_03_15, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_02;
)

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