alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Suspected APT34 Related SSD Backdoor Response"; flow:established,to_client; flowbits:isset,ET.ssdbackdoor; http.stat_code; content:"200"; file.data; content:"UsEPTIkCRUwarKZfRnyjcG13DFA"; fast_pattern; distance:0; nocase; reference:url,research.checkpoint.com/2023/from-albania-to-the-middle-east-the-scarred-manticore-is-listening/; classtype:trojan-activity; sid:2049048; rev:2; metadata:attack_target Web_Server, created_at 2023_11_02, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_03; target:src_ip;)