Rule History

SID: 2028580 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Sep 13, 2019, 12:00 PM

Message:

ET MALWARE Suspected Tunna Proxy M3 (Outbound)

Rule:

alert http $HOME_NET any -> any any (msg:"ET MALWARE Suspected Tunna Proxy M3 (Outbound)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"?proxy&port="; fast_pattern; http.accept_enc; content:"gzip"; startswith; endswith; http.header_names; content:!"Referer"; reference:url,github.com/SECFORCE/Tunna; classtype:trojan-activity; sid:2028580; rev:2; metadata:created_at 2019_09_13, deployment Perimeter, malware_family Tunna, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_02;)

Created:

Sep 13, 2019, 12:00 PM

Updated:

Sep 2, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 22, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules