alert http $HOME_NET any -> $EXTERNAL_NET [:1024] (msg:"ET MALWARE Likely Mirai Related Outbound Shell Request"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/bins.sh"; bsize:8; fast_pattern; http.host; pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/"; threshold:type threshold, track by_src, count 5, seconds 60; reference:md5,66767161f67d5fdf18ab25e292aece88; classtype:trojan-activity; sid:2036454; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_29, deployment Perimeter, malware_family Mirai, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_29;)