alert udp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TinyLoader.B2 Checkin x64"; dsize:12; content:"|00 00 00 00 00 00 00 00 00 00 00 BA|"; fast_pattern; reference:md5,b4ce43e1c9e74c549e2bae8cd77d5af1; classtype:command-and-control; sid:2022072; rev:2; metadata:created_at 2015_11_11, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;)