alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Tinba Server Response"; flow:established,to_client; flowbits:isset,ET.Tinba.Checkin; file_data; content:"|64 b4 dc a4|"; within:4; reference:md5,1e644fe146f62bd2fc585b8df6712ff6; classtype:trojan-activity; sid:2019169; rev:4; metadata:created_at 2014_09_12, signature_severity Major, updated_at 2019_07_26;)