Rule History

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Pulse Secure VPN RCE Chain Stage 3 Inbound - Execute Mal Config Trigger, PoC Based (CVE-2020-8260)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/dana-na/auth/setcookie.cgi"; fast_pattern; http.header; pcre:"/^[A-Z]{8}\x3a/m"; xbits:isset,ET.2020_8260.2,track ip_src,expire 10; reference:url,packetstormsecurity.com/files/160619/Pulse-Secure-VPN-Remote-Code-Execution.html; reference:cve,2020-8260; classtype:attempted-admin; sid:2033753; rev:1; metadata:affected_product Pulse_Secure, attack_target Server, created_at 2021_08_20, cve CVE_2020_8260, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2021_08_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)