alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Lunar Builder Exfil Response"; flow:established,to_client; http.content_type; bsize:16; content:"application/json"; file.data; content:"|22|title|22 3a 20 22|Lunar|20|Builder|22|"; fast_pattern; content:"|22|name|22 3a 20 22|Stolen|20|From|22 2c|"; distance:0; reference:md5,19917b254644d1039dd31d0a488ddeeb; classtype:command-and-control; sid:2033449; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_27, deployment Perimeter, deployment SSLDecrypt, malware_family Lunar_Builder, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)