alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET MALWARE Suspected HARDPULSE Request"; flow:established,to_server; http.method; content:"PUT"; http.uri; content:"/dana-na/auth/recover.cgi?token="; startswith; fast_pattern; http.request_body; content:"checkcode"; content:"hashid"; reference:url,www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html; classtype:command-and-control; sid:2032915; rev:2; metadata:attack_target Server, created_at 2021_05_05, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_05;)