ET EXPLOIT_KIT KaiXin Landing M5 1 Oct 05 2015

Query · suricata

flow:established,from_server;
file_data;
content:"str2long"; fast_pattern;
content:"long2str";
content:"0xffffffff";
pcre:"/^(?P<sep>[^\s\x3b\x22\x27])(?=.+?(?P=sep)str2long(?P=sep)).+?(?P=sep)long2str(?P=sep)/Rs";
Raw source ET EXPLOIT_KIT KaiXin Landing M5 1 Oct 05 2015 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT KaiXin Landing M5 1 Oct 05 2015";
    flow:established,from_server;
    file_data;
    content:"str2long"; fast_pattern;
    content:"long2str";
    content:"0xffffffff";
    pcre:"/^(?P<sep>[^\s\x3b\x22\x27])(?=.+?(?P=sep)str2long(?P=sep)).+?(?P=sep)long2str(?P=sep)/Rs";
    classtype:exploit-kit;
    sid:2021905; rev:3;
    metadata:created_at 2015_10_06, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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