ET EXPLOIT_KIT Sibhost/FlimKit/Glazunov Jar with lowercase class names

Query · suricata

flow:established,from_server;
flowbits:isset,ET.http.javaclient;
flowbits:set,et.exploitkitlanding;
http.header;
content:!"smartsvn.com";
file.data;
content:"PK|01 02|";
pcre:"/PK\x01\x02.{42}(?P<dir>[a-z]{7,}\/)([a-z$]+\.class)?(\xfe\xca\x00\x00)?(PK\x01\x02.{42}(?P=dir)[a-z$]+\.class){6,}(PK\x01\x02.{42}[0-9a-z$]{5,}(\.[a-z]{3})?)?PK\x05\x06.{18}$/s";

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Feeds into

  • 7 rules read et.exploitkitlanding · view all
Raw source ET EXPLOIT_KIT Sibhost/FlimKit/Glazunov Jar with lowercase class names · 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 -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT Sibhost/FlimKit/Glazunov Jar with lowercase class names";
    flow:established,from_server;
    flowbits:isset,ET.http.javaclient;
    flowbits:set,et.exploitkitlanding;
    http.header;
    content:!"smartsvn.com";
    file.data;
    content:"PK|01 02|";
    pcre:"/PK\x01\x02.{42}(?P<dir>[a-z]{7,}\/)([a-z$]+\.class)?(\xfe\xca\x00\x00)?(PK\x01\x02.{42}(?P=dir)[a-z$]+\.class){6,}(PK\x01\x02.{42}[0-9a-z$]{5,}(\.[a-z]{3})?)?PK\x05\x06.{18}$/s";
    classtype:exploit-kit;
    sid:2017181; rev:7;
    metadata:created_at 2013_07_24, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_16;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.