alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ELF/Mirai User-Agent Observed (Outbound)"; flow:established,to_server; http.user_agent; bsize:5; content:"Ankit"; fast_pattern; classtype:web-application-attack; sid:2029472; rev:3; metadata:affected_product Linux, attack_target IoT, created_at 2020_02_17, deployment Perimeter, malware_family ELF_Mirai, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08;)