ET WEB_SPECIFIC_APPS Joomla! SQL Injection Attempt -- weblinks.php where UPDATE

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SPECIFIC_APPS Joomla! SQL Injection Attempt -- weblinks.php where UPDATE";
    flow:established,to_server;
    http.uri;
    content:"/plugins/search/weblinks.php?"; nocase;
    content:"where="; nocase;
    content:"UPDATE"; nocase;
    content:"SET"; nocase; distance:0;
    reference:cve,CVE-2007-0373;
    reference:url,www.securityfocus.com/bid/22122;
    classtype:web-application-attack;
    sid:2005431; rev:9;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)