Rule History

SID: 2021077 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • May 8, 2015, 12:00 PM

Message:

ET MALWARE TeslaCrypt/AlphaCrypt Variant .onion Proxy Domain (is6xsotjdy4qtgur)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE TeslaCrypt/AlphaCrypt Variant .onion Proxy Domain (is6xsotjdy4qtgur)"; dns_query; content:"is6xsotjdy4qtgur"; depth:16; fast_pattern; nocase; reference:url,www.malware-traffic-analysis.net/2015/05/06/index.html; reference:url,www.hybrid-analysis.com/sample/99fc04d82877aea0247286d41186b985ab773b19c8cef8786ffc1fa50e35af29?environmentId=1; reference:md5,a08784f5691a0a8ce6249e1981dea82c; classtype:trojan-activity; sid:2021077; rev:3; metadata:created_at 2015_05_08, confidence High, signature_severity Major, updated_at 2019_08_30;)

Created:

May 8, 2015, 12:00 PM

Updated:

Aug 30, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules