alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE [ANY.RUN] Meduza Stealer Exfiltration M1"; flow:established,to_server; stream_size:server,=,1; content:"ewogICAgImNocm9taXVtX2Jyb3dzZXJzIjog"; startswith; fast_pattern; reference:md5,6c2283c27a3ac1164aad01f982f17db3; reference:url,twitter.com/Jane_0sint/status/1670048531665518592; reference:url,app.any.run/tasks/cf27f0ec-1be0-4353-82fc-d392eaa8b24b; classtype:trojan-activity; sid:2046303; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_20, deployment Perimeter, malware_family Meduza, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_29;)