alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SCAN Havij SQL Injection Tool User-Agent Inbound"; flow:established,to_server; http.header; content:"|29 20|Havij|0d 0a|Connection|3a 20|"; reference:url,itsecteam.com/en/projects/project1.htm; classtype:web-application-attack; sid:2012606; rev:4; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2011_03_31, deployment Datacenter, confidence High, signature_severity Major, tag SQL_Injection, updated_at 2020_04_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)