alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Microsoft IIS Remote Code Execution (CVE-2017-7269)"; flow:to_server,established; http.header; content:"If|3a 20 3c|"; pcre:"/^If\x3a\x20\x3c[^\r\n>]+?(?:[\x7f-\xff])/mi"; reference:url,github.com/edwardz246003/IIS_exploit/blob/master/exploit.py; classtype:attempted-user; sid:2024107; rev:3; metadata:affected_product Microsoft_IIS, attack_target Web_Server, created_at 2017_03_28, cve CVE_2017_7269, deployment Datacenter, performance_impact Low, signature_severity Major, tag CISA_KEV, updated_at 2020_08_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)