Rule History

SID: 2021850 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 4 • Sep 30, 2015, 12:00 PM

Message:

ET MALWARE TeslaCrypt/AlphaCrypt Variant .onion Proxy Domain

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE TeslaCrypt/AlphaCrypt Variant .onion Proxy Domain"; dns.query; content:"7vhbukzxypxh3xfy"; depth:16; nocase; fast_pattern; classtype:trojan-activity; sid:2021850; rev:4; metadata:created_at 2015_09_30, confidence High, signature_severity Major, updated_at 2020_09_01;)

Created:

Sep 30, 2015, 12:00 PM

Updated:

Sep 1, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules