Rule History

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Cisco ASA/FTD Memory Leak Attempt (CVE-2020-3259)"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:>800; content:"|2b|CSCOE|2b|/sdesktop/webstart.xml|3f|"; fast_pattern; content:"|25|p"; endswith; reference:url,github.com/GossiTheDog/Exploits/blob/main/Cisco-CVE-2020-3259.sh; reference:cve,2020-3259; classtype:attempted-admin; sid:2060671; rev:1; metadata:affected_product Cisco_ASA, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2025_03_07, cve CVE_2020_3259, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_03_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)