ET MALWARE Win32/Pykspa.C Public IP Check

Query · suricata

flow:established,to_server;
urilen:1;
http.user_agent;
content:"Mozilla/5.0 (Windows|3b 20|U|3b 20|Windows NT 5.1|3b 20|en-US|3b 20|rv|3a|1.9.1.3) Gecko/20090824 Firefox/3.5.3"; fast_pattern;
http.host;
content:"myip";
http.header_names;
content:!"Accept-";
content:!"Referer";
Raw source ET MALWARE Win32/Pykspa.C Public IP Check · Suricata
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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 Win32/Pykspa.C Public IP Check";
    flow:established,to_server;
    urilen:1;
    http.user_agent;
    content:"Mozilla/5.0 (Windows|3b 20|U|3b 20|Windows NT 5.1|3b 20|en-US|3b 20|rv|3a|1.9.1.3) Gecko/20090824 Firefox/3.5.3"; fast_pattern;
    http.host;
    content:"myip";
    http.header_names;
    content:!"Accept-";
    content:!"Referer";
    reference:md5,b94e213153a1929db2f414f23d891d76;
    reference:md5,324ff262da1233ef874ff29213cf8f19;
    classtype:trojan-activity;
    sid:2018773; rev:5;
    metadata:created_at 2014_07_24, malware_family Win32_Pykspa_C, signature_severity Major, updated_at 2020_08_17;
)

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