Back to Rule

Rule History

SID: 2058143 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1Dec 9, 2024, 12:00 PM

ET MALWARE Observed Ailurophile Stealer Domain (ailurophilestealer .com) in TLS SNI

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Ailurophile Stealer Domain (ailurophilestealer .com) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".ailurophilestealer.com"; endswith; fast_pattern; reference:md5,7f0ac7fef5223e048a430a99a7cb4627; classtype:domain-c2; sid:2058143; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2024_12_09, deployment Perimeter, malware_family Ailurophile_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_12_09, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)

Dec 9, 2024, 12:00 PM

Dec 9, 2024, 12:00 PM

Dec 10, 2024, 4:47 PM

Nov 7, 2025, 9:34 PM

rules/emerging-malware.rules