alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE WRAT Dropper (TLS SNI)"; flow:established,to_server; tls.sni; content:"alsalaf.info"; reference:md5,7831f12dac1d4ef7dcd6e3218b8dad68; classtype:trojan-activity; sid:2031646; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_02_22, deployment Perimeter, confidence High, signature_severity Major, tag WRAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_22;)