alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Alloy Taurus Reshell Backdoor URI pattern Observed M2"; flow:established,to_server; http.uri; content:"/Sleep/hostname="; fast_pattern; reference:url,unit42.paloaltonetworks.com/alloy-taurus-targets-se-asian-government; classtype:trojan-activity; sid:2048271; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_09_26, deployment Perimeter, deployment SSLDecrypt, malware_family Reshell, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_09_26; target:dest_ip;)