ET MALWARE OSX/Leverage.A Checkin

Query · suricata

flow:established,to_server;
content:"|00 00|"; offset:0; depth:2;
content:"|00 00 00 01|"; distance:2; within:4;
content:"RAM|0a 7c|";
pcre:"/^\d+\w+\/\d+\w+ free \(\d+% used\)/R";
Raw source ET MALWARE OSX/Leverage.A Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE OSX/Leverage.A Checkin";
    flow:established,to_server;
    content:"|00 00|"; offset:0; depth:2;
    content:"|00 00 00 01|"; distance:2; within:4;
    content:"RAM|0a 7c|";
    pcre:"/^\d+\w+\/\d+\w+ free \(\d+% used\)/R";
    classtype:command-and-control;
    sid:2017525; rev:2;
    metadata:created_at 2013_09_25, malware_family OSX_Leverage_A, signature_severity Major, updated_at 2019_07_26;
)

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