alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/Drinik Checkin Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.user_agent; content:"|3b 20|Android|20|"; http.request_body; content:"Uid="; startswith; content:"&ScrnSize="; distance:0; content:"&Token="; distance:0; content:"&CMD=Activate&AUTH_KEY_FCM="; distance:0; fast_pattern; http.header_names; content:!"Referer"; reference:md5,11d72ffa53da54c2644a9eeffdc1c43f; reference:md5,0747af6dab790db4a07033d3060406fa; reference:url,blog.cyble.com/2022/10/27/drinik-malware-returns-with-advanced-capabilities-targeting-indian-taxpayers/; classtype:command-and-control; sid:2039587; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_28, deployment Perimeter, malware_family Drinik, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_28;)