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Rev: 1 • Dec 6, 2024, 12:00 PMET MALWARE Observed Iris Stealer Domain (irisstealer .xyz) in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Iris Stealer Domain (irisstealer .xyz) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".irisstealer.xyz"; endswith; fast_pattern; reference:md5,f7f576d24d0d610bafa15fdae9012367; classtype:domain-c2; sid:2058115; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_12_06, deployment Perimeter, malware_family Iris_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_12_06, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)
Dec 6, 2024, 12:00 PM
Dec 6, 2024, 12:00 PM
Dec 10, 2024, 4:47 PM
Nov 7, 2025, 9:34 PM
rules/emerging-malware.rules