ET EXPLOIT_KIT GrandSoft PDF Payload Download

Query · suricata

flow:established,to_server;
flowbits:set,et.exploitkitlanding;
http.method;
content:"GET";
http.user_agent;
content:"http|3a|//"; fast_pattern; startswith;
http.start;
pcre:"/^GET (?P<uri>(\/[A-Za-z0-9]+)?\/\d+\/\d+)\sHTTP\/1\.1\r\nUser-Agent\x3a\x20http\x3a\/\/(?P<host>[^\r\n]+)(?P=uri)\r\nHost\x3a\x20(?P=host)\r\n(\r\n)?$/";

Rule dependencies

Feeds into

  • 7 rules read et.exploitkitlanding · view all
Raw source ET EXPLOIT_KIT GrandSoft PDF Payload Download · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT GrandSoft PDF Payload Download";
    flow:established,to_server;
    flowbits:set,et.exploitkitlanding;
    http.method;
    content:"GET";
    http.user_agent;
    content:"http|3a|//"; fast_pattern; startswith;
    http.start;
    pcre:"/^GET (?P<uri>(\/[A-Za-z0-9]+)?\/\d+\/\d+)\sHTTP\/1\.1\r\nUser-Agent\x3a\x20http\x3a\/\/(?P<host>[^\r\n]+)(?P=uri)\r\nHost\x3a\x20(?P=host)\r\n(\r\n)?$/";
    classtype:exploit-kit;
    sid:2016764; rev:19;
    metadata:created_at 2013_04_17, signature_severity Major, updated_at 2020_11_05;
)

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