alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE AZORult Variant.4 Checkin M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"|4a 2f fb|"; fast_pattern; content:"|2f fb|"; depth:11; http.header_names; content:!"Referer"; reference:md5,0ac55b5056364cdac63aaf05f9d7f654; reference:url,twitter.com/James_inthe_box/status/1020522733984100352?s=03; classtype:command-and-control; sid:2025885; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_07_23, deployment Perimeter, malware_family AZORult, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25;)