ET WEB_SPECIFIC_APPS WSN Guest SQL Injection Attempt -- comments.php id ASCII

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SPECIFIC_APPS WSN Guest SQL Injection Attempt -- comments.php id ASCII";
    flow:established,to_server;
    http.uri;
    content:"/comments.php?"; nocase;
    content:"id="; nocase;
    content:"ASCII("; nocase;
    content:"SELECT"; nocase; distance:0;
    reference:cve,CVE-2007-1517;
    reference:url,www.milw0rm.com/exploits/3477;
    classtype:web-application-attack;
    sid:2004257; rev:8;
    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_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)