alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"REMOTE [PTsecurity] SafeRAT"; flow:established, to_server; dsize:14; stream_size:server, <, 3; stream_size:client, =, 15; content:"|0a 00 00 00|efaSnigoL|00|"; depth:14; fast_pattern; reference:url, https://www.virustotal.com/gui/file/c226f1b68aecfe0efc2614882268041fc95ada881c930dd1e1fbc413f5727987; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:10010258; rev:2;)