Rule History

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible Pulse Secure VPN RCE Chain Stage 2 Inbound - Upload Malicious Config (CVE-2020-8260)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/dana-admin/cached/config/import.cgi"; http.referer; content:"/dana-admin/cached/config/config.cgi?type=system"; fast_pattern; xbits:isset,ET.2020_8260.1,track ip_src,expire 10; xbits:set,ET.2020_8260.2,track ip_src,expire 10; noalert; reference:url,packetstormsecurity.com/files/160619/Pulse-Secure-VPN-Remote-Code-Execution.html; reference:cve,2020-8260; classtype:attempted-admin; sid:2033751; rev:2; 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_10_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)