alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win64/Rozena.TD Variant CnC Activity (GET)"; flow:established,to_server; urilen:20; http.method; content:"GET"; http.uri; content:"/api/auth/poral/log"; isdataat:!2,relative; fast_pattern; pcre:"/^\d$/R"; http.referer; content:"http|3a 2f 2f|www|2e|baidu|2e|com|2f|"; bsize:21; reference:md5,2f910aa8d487f4fd97b8009282aa5e2c; reference:url,twitter.com/malwrhunterteam/status/1660577135033982976; classtype:trojan-activity; sid:2045830; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_23, deployment Perimeter, malware_family Win64_Rozena_TD, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_23;)