Rule History

SID: 2038694 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Aug 31, 2022, 12:00 PM

Message:

ET MALWARE PureCrypter Requesting Injector - Known Campaign ID M4

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PureCrypter Requesting Injector - Known Campaign ID M4"; flow:to_server,established; http.method; content:"GET"; http.uri; content:"/Nykymad_"; fast_pattern; pcre:"/\.(?:bmp|png|jpe?g)$/"; reference:url,blog.netlab.360.com/purecrypter/; classtype:command-and-control; sid:2038694; rev:1; metadata:created_at 2022_08_31, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_31;)

Created:

Aug 31, 2022, 12:00 PM

Updated:

Aug 31, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 1, 2025, 8:35 PM

Filename:

rules/emerging-malware.rules