ET MALWARE Moose CnC Request M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Moose CnC Request M1";
    flow:to_server,established;
    urilen:1;
    content:"PP|3b 20|nhash="; fast_pattern;
    http.method;
    content:"GET";
    http.cookie;
    content:"PHPSESSID=";
    content:"AAAAAAAAAAAAAAA"; distance:0;
    content:"PP|3b 20|nhash="; distance:0;
    content:"|3b 20|chash="; distance:0;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,gosecure.net/2016/11/02/exposing-the-ego-market-the-cybercrime-performed-by-the-linux-moose-botnet/;
    classtype:command-and-control;
    sid:2023477; rev:4;
    metadata:affected_product Linux, attack_target Client_and_Server, created_at 2016_11_02, deployment Perimeter, malware_family Linux_Moose, performance_impact Low, signature_severity Major, updated_at 2020_10_07;
)