alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT VisualDoor Sonicwall SSL VPN Exploit Attempt"; flow:established,to_server; http.uri; content:"/cgi-bin/jarrewrite.sh"; endswith; fast_pattern; http.user_agent; content:"|28 29 20 7b|"; reference:url,darrenmartyn.ie/2021/01/24/visualdoor-sonicwall-ssl-vpn-exploit/; reference:cve,2014-6271; classtype:attempted-admin; sid:2031543; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_01_25, cve CVE_2014_6271, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_25;)