alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/TrojanDropper.Agent.GWO Checkin"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"okhttp/"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; http.request_body; content:"{|22|logType|22 3a|"; startswith; content:",|22|msg|22 3a 22|{|5c 22|auth|5c 22 3a|"; fast_pattern; content:"|5c 22|appVersionName|5c 22|"; reference:md5,dcfa846ca56e14e720d4a743ac5c9f0f; classtype:command-and-control; sid:2035432; rev:6; metadata:created_at 2022_03_10, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_04;)