Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Observed Android Vultur/brunhilda Related Domain (cloudmiracle .store in TLS SNI)"; flow:established,to_server; tls.sni; bsize:18; content:"cloudmiracle.store"; fast_pattern; reference:md5,8251b3609174283cb10796bfc9b5a5e9; reference:md5,52abc7f45a449ffd2760ef58672d2b71; reference:url,research.nccgroup.com/2024/03/28/android-malware-vultur-expands-its-wingspan/; classtype:command-and-control; sid:2051895; rev:1; metadata:attack_target Mobile_Client, created_at 2024_04_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_02, reviewed_at 2024_05_02;)