Rule History

SID: 2035468 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Mar 16, 2022, 12:00 PM

Message:

ET MALWARE Observed TA471/UNC2589 Go Downloader User-Agent (-hobot-)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TA471/UNC2589 Go Downloader User-Agent (-hobot-)"; flow:established,to_server; http.user_agent; content:"-hobot-"; bsize:7; reference:md5,15c525b74b7251cfa1f7c471975f3f95; reference:url,cert.gov.ua/article/37704; classtype:trojan-activity; sid:2035468; rev:1; metadata:created_at 2022_03_16, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_16;)

Created:

Mar 16, 2022, 12:00 PM

Updated:

Mar 16, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 4, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules