alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/Spy.Agent.BEH Variant Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/socket.io/?release="; startswith; fast_pattern; content:"&model="; distance:0; content:"&EIO="; distance:0; content:"&id="; distance:0; content:"&transport="; distance:0; content:"&manf="; distance:0; content:"&sid="; distance:0; http.user_agent; content:"|28|Linux|3b 20|U|3b 20|Android"; http.host; pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/"; http.request_body; content:"contactsList"; content:"phoneNo"; distance:0; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,72670e5480849637e86e0daeddbdb43b; reference:url,twitter.com/malwrhunterteam/status/1437787922816806914; classtype:trojan-activity; sid:2033946; rev:2; metadata:created_at 2021_09_14, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_25;)