Rule History

SID: 2051526 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 2 • Mar 7, 2024, 12:00 PM

Message:

ET MALWARE FakeExt CnC Domain in DNS Lookup (cdn .jsassets .sbs)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE FakeExt CnC Domain in DNS Lookup (cdn .jsassets .sbs)"; dns.query; bsize:16; content:"cdn.jsassets.sbs"; nocase; reference:url,securityintelligence.com/posts/fakext-targeting-latin-american-banks/; classtype:trojan-activity; sid:2051526; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_03_07, deployment Perimeter, malware_family FakeExt, performance_impact Low, confidence High, signature_severity Major, tag FakeEXT, updated_at 2024_10_03, reviewed_at 2024_10_03;)

Created:

Mar 7, 2024, 12:00 PM

Updated:

Oct 3, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules