ET MALWARE Linux/Ssemgrvd sshd Backdoor HTTP CNC 2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Linux/Ssemgrvd sshd Backdoor HTTP CNC 2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.header;
    content:"Connection|3A 20|close|0D 0A|Content-Type|3A 20|application/x-www-form-urlencoded|0D 0A|Content-Length|3A 20|";
    http.request_body;
    content:"b=1&name="; depth:9; fast_pattern;
    content:"&uuid="; distance:0;
    pcre:"/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}/R";
    http.header_names;
    content:!"User-Agent|0d 0a|";
    content:!"Referer|0d 0a|";
    content:!"Accept|0d 0a|";
    classtype:command-and-control;
    sid:2017643; rev:5;
    metadata:created_at 2013_10_30, signature_severity Major, updated_at 2020_04_27;
)