ET EXPLOIT Joomla 3.2.1 SQL injection attempt 2

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET EXPLOIT Joomla 3.2.1 SQL injection attempt 2";
    flow:established,to_server;
    http.uri;
    content:"weblinks-categories?"; nocase; fast_pattern;
    content:"id="; nocase; distance:0;
    pcre:"/id\=[^\r\n]*?(?:select|delete|union|update|insert)/i";
    reference:url,www.exploit-db.com/exploits/31459/;
    classtype:web-application-attack;
    sid:2018289; rev:4;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2014_03_18, deployment Datacenter, signature_severity Major, tag SQL_Injection, updated_at 2020_09_01, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)