alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE W32/Snojan.BNQKZQH Payload Inbound"; flow:established,to_client; http.response_body; content:"|28 23 23|"; startswith; content:"Begin"; distance:5; within:5; content:"|23 23 29|P|3a 3a|"; distance:5; within:6; fast_pattern; reference:url,twitter.com/500mk500/status/1653860821020049410; reference:md5,769b8204ecdeb1810789f208a340469d; classtype:trojan-activity; sid:2045604; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_05, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_05;)