alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
msg:"ET WEB_SPECIFIC_APPS ActivDesk cid Parameter Blind SQL Injection Attempt";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/kbcat.cgi?"; nocase;
content:"cid="; nocase;
content:"or"; nocase;
content:"substring("; nocase; distance:0;
reference:url,packetstormsecurity.org/files/view/102537/activdesk-sqlxss.txt;
classtype:web-application-attack;
sid:2013234; rev:3;
metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2011_07_08, deployment Datacenter, signature_severity Major, tag SQL_Injection, updated_at 2020_04_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)