Rule History

SID: 2020740 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Mar 25, 2015, 12:00 PM

Message:

ET MALWARE CryptoLocker .onion Proxy Domain (iezqmd4s2fflmh7n)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE CryptoLocker .onion Proxy Domain (iezqmd4s2fflmh7n)"; dns.query; content:"iezqmd4s2fflmh7n"; depth:16; fast_pattern; nocase; reference:md5,1d578c11069c7446ca6d05ff7623a972; classtype:trojan-activity; sid:2020740; rev:4; metadata:created_at 2015_03_25, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;)

Created:

Mar 25, 2015, 12:00 PM

Updated:

Sep 1, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 4, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules