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SID: 2032225 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1Mar 19, 2021, 12:00 PM

ET MALWARE Netbounce Proxy User-Agent (idk)

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Netbounce Proxy User-Agent (idk)"; flow:established,to_server; http.user_agent; content:"idk"; bsize:3; fast_pattern; reference:url,www.fortinet.com/blog/threat-research/netbounce-threat-actor-tries-bold-approach-to-evade-detection; reference:md5,1b4b013948c9af0260409ce7cb7d107b; classtype:trojan-activity; sid:2032225; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_03_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_19;)

Mar 19, 2021, 12:00 PM

Mar 19, 2021, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 12, 2025, 9:34 PM

rules/emerging-malware.rules