Rule History

SID: 2050935 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Feb 16, 2024, 12:00 PM

Message:

ET MOBILE_MALWARE Observed Gigabud Domain (js6kk .xyz in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Observed Gigabud Domain (js6kk .xyz in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".js6kk.xyz"; endswith; fast_pattern; reference:url,www.group-ib.com/blog/goldfactory-ios-trojan/; classtype:trojan-activity; sid:2050935; rev:1; metadata:affected_product Android, affected_product iOS, attack_target Mobile_Client, created_at 2024_02_16, deployment Perimeter, malware_family Gigabud, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_16;)

Created:

Feb 16, 2024, 12:00 PM

Updated:

Feb 16, 2024, 12:00 PM

DB Created:

Feb 16, 2024, 11:00 PM

DB Updated:

Aug 14, 2025, 9:34 PM

Filename:

rules/emerging-mobile_malware.rules