Rule History

SID: 2034197 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Oct 15, 2021, 12:00 PM

Message:

ET MALWARE Win32/MysterySnail RAT CnC Domain in DNS Lookup

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Win32/MysterySnail RAT CnC Domain in DNS Lookup"; dns.query; content:"http.ddspadus.com"; nocase; bsize:17; reference:url,securelist.com/mysterysnail-attacks-with-windows-zero-day/104509/; reference:md5,e2f2d2832da0facbd716d6ad298073ca; classtype:domain-c2; sid:2034197; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_10_15, deployment Perimeter, malware_family Win32_MysterySnail, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_15;)

Created:

Oct 15, 2021, 12:00 PM

Updated:

Oct 15, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 8, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules