Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Aura Stealer CnC Response (false)"; flow:established,to_client; flowbits:isset,ET.AuraStealer; http.response_body; bsize:7; content:"false|01 00|"; reference:md5,45c7e81edfdc705bce7cb688d333fbf1; reference:url,community.emergingthreats.net/t/aura-stealer/3108/3; classtype:command-and-control; sid:2065862; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_11_20, deployment Perimeter, deployment SSLDecrypt, malware_family AuraStealer, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:dest_ip;)