Rule History

SID: 2049658 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Dec 12, 2023, 12:00 PM

Message:

ET MALWARE JynxLoaderV2 CnC Command (INSTALL)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE JynxLoaderV2 CnC Command (INSTALL)"; flow:established,to_client; http.response_body; content:"4a3256414c49447c696e737461"; reference:md5,d4d464e22776e552d215e5fe39373280; classtype:command-and-control; sid:2049658; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_12_12, deployment Perimeter, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_12;)

Created:

Dec 12, 2023, 12:00 PM

Updated:

Dec 12, 2023, 12:00 PM

DB Created:

Dec 12, 2023, 11:00 PM

DB Updated:

Aug 18, 2025, 8:35 PM

Filename:

rules/emerging-malware.rules