Versions (6)
Version DetailsCurrent
Rev: 3 • Apr 6, 2016, 12:00 PMET MALWARE Win32/Atraps Receiving Config via Image File (steganography)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Atraps Receiving Config via Image File (steganography)"; flow:from_server,established; flowbits:isset,ET.Zberp; file_data; content:"|FF D9 23|"; distance:0; content:"$|3a|1|3a|$"; distance:0; fast_pattern; pcre:"/^[A-Za-z0-9+/=]+\x24\x3a\d+\x3a\x24$/R"; reference:md5,3dce01df285b3570738051672664068d; classtype:trojan-activity; sid:2025070; rev:3; metadata:created_at 2016_04_06, malware_family Win32_Atraps, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Apr 6, 2016, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 6, 2025, 4:34 PM
rules/emerging-malware.rules