Rule History

SID: 2021545 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Jul 28, 2015, 12:00 PM

Message:

ET MALWARE EncryptorRaas .onion Proxy Domain

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE EncryptorRaas .onion Proxy Domain"; dns.query; content:"decryptoraveidf7"; depth:16; nocase; fast_pattern; reference:md5,d87ba0bfce1cdb17fd243b8b1d247e88; classtype:trojan-activity; sid:2021545; rev:4; metadata:created_at 2015_07_28, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;)

Created:

Jul 28, 2015, 12:00 PM

Updated:

Sep 1, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 24, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules