alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DTLoader Binary Request"; flow:established,to_server; http.request_line; content:"GET /getrandombase64.php?get="; fast_pattern; content:"|20|HTTP/1.1"; distance:32; within:9; http.header_names; content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:22; reference:url,twitter.com/James_inthe_box/status/1321088232512106502; reference:md5,259de13f2337562a9075cd8acb1ef615; classtype:command-and-control; sid:2031127; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_27;)