alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Miras C2 Activity"; flow:established,to_server; dsize:<1000; content:"|36 36 36 36 58 36 36 36|"; offset:2; depth:8; reference:md5,98a3a68f76ed2eba763eb7bfb6648562; classtype:command-and-control; sid:2018979; rev:4; metadata:created_at 2014_08_22, deprecation_reason Age, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_20, reviewed_at 2024_03_20;)