alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (msg:"ET EXPLOIT Cisco HyperFlex HX RCE Outbound (CVE-2021-1498)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/storfs-asup"; fast_pattern; http.request_body; content:"&token="; content:"|60|"; distance:0; reference:url,www.fortinet.com/blog/threat-research/the-ghosts-of-mirai; reference:cve,2021-1498; classtype:attempted-admin; sid:2033283; rev:1; metadata:created_at 2021_07_08, cve CVE_2021_1498, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_08;)