ET MALWARE HTTP Request to a *.su domain with direct request/fakebrowser (multiple families flowbit set)

Query · suricata

flow:to_server,established;
flowbits:noalert;
flowbits:set,ET.Suspicious.Domain.Fake.Browser;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
content:!"|0d 0a|Accept-Language|0d 0a|";
http.host;
content:".su";
pcre:"/^(?:\x3a\d{1,5})?$/Ri";

Rule dependencies

Feeds into

  • 1 rule read ET.Suspicious.Domain.Fake.Browser · view all
Raw source ET MALWARE HTTP Request to a *.su domain with direct request/fakebrowser (multiple families flowbit set) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE HTTP Request to a *.su domain with direct request/fakebrowser (multiple families flowbit set)";
    flow:to_server,established;
    flowbits:noalert;
    flowbits:set,ET.Suspicious.Domain.Fake.Browser;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    content:!"|0d 0a|Accept-Language|0d 0a|";
    http.host;
    content:".su";
    pcre:"/^(?:\x3a\d{1,5})?$/Ri";
    classtype:trojan-activity;
    sid:2018570; rev:5;
    metadata:created_at 2014_06_17, performance_impact Significant, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_29;
)

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