alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED pswshopro_bot Stealer CnC Checkin"; flow:established,to_server; http.request_line; content:"GET /ai.php HTTP/"; fast_pattern; http.header_names; content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; reference:md5,8ace7745ab25bee814881d9cc398fc04; classtype:trojan-activity; sid:2045873; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_26, deployment Perimeter, former_category MALWARE, malware_family pswshopro_bot, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_01, reviewed_at 2024_10_01; target:src_ip;)