Rule History

SID: 2060294 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 3 • Feb 22, 2025, 12:00 PM

Message:

ET MALWARE Observed Win32/Lumma Stealer Related Domain (t .me/fvTDOnvFcMdW in TLS SNI)

Rule:

alert tls $HOME_NET any -> any any (msg:"ET MALWARE Observed Win32/Lumma Stealer Related Domain (t .me/fvTDOnvFcMdW in TLS SNI)"; flow:established,to_server; tls.sni; bsize:25; content:"https://t.me/fvTDOnvFcMdW"; fast_pattern; nocase; reference:md5,161ffcfe3bb1a5312a9f73baf3e1c959; classtype:domain-c2; sid:2060294; rev:3; metadata:tls_state TLSEncrypt, created_at 2025_02_22, deployment Perimeter, malware_family Lumma_Stealer, confidence High, signature_severity Critical, updated_at 2025_02_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

Created:

Feb 22, 2025, 12:00 PM

Updated:

Feb 25, 2025, 12:00 PM

DB Created:

Feb 25, 2025, 5:11 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules