Versions (4)
Version DetailsCurrent
Rev: 3 • Dec 16, 2015, 12:00 PMET MALWARE Possible Derusbi/Winnti Receiving Configuration
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Derusbi/Winnti Receiving Configuration"; flow:established,from_server; file_data; content:"$$$--Hello"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})Wrod--\$\$\$/R"; content:"Wrod--$$$"; fast_pattern; reference:url,blog.airbuscybersecurity.com/post/2015/11/Newcomers-in-the-Derusbi-family; classtype:trojan-activity; sid:2022269; rev:3; metadata:created_at 2015_12_16, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;)
Dec 16, 2015, 12:00 PM
Oct 8, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 13, 2025, 9:34 PM
rules/emerging-malware.rules