Rule History

SID: 2058114 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 6, 2024, 12:00 PM

Message:

ET MALWARE Iris Stealer CnC Domain in DNS Lookup (irisstealer .xyz)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Iris Stealer CnC Domain in DNS Lookup (irisstealer .xyz)"; dns.query; dotprefix; content:".irisstealer.xyz"; nocase; endswith; reference:md5,f7f576d24d0d610bafa15fdae9012367; classtype:domain-c2; sid:2058114; 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;)

Created:

Dec 6, 2024, 12:00 PM

Updated:

Dec 6, 2024, 12:00 PM

DB Created:

Dec 10, 2024, 4:47 PM

DB Updated:

Nov 7, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules