Rule History

SID: 2048127 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Sep 20, 2023, 12:00 PM

Message:

ET MALWARE TA427 Suspected ReconShark Related Response (Inbound)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE TA427 Suspected ReconShark Related Response (Inbound)"; flow:established,to_client; http.header; content:"x-goog-hash|3a 20|"; nocase; file.data; content:"johnbegin--"; content:"--johnend"; fast_pattern; classtype:trojan-activity; sid:2048127; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_09_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_20, reviewed_at 2023_09_20; target:dest_ip;)

Created:

Sep 20, 2023, 12:00 PM

Updated:

Sep 20, 2023, 12:00 PM

DB Created:

Sep 20, 2023, 9:00 PM

DB Updated:

Aug 18, 2025, 8:35 PM

Filename:

rules/emerging-malware.rules