Versions (2)
Version DetailsCurrent
Rev: 2 • Apr 10, 2024, 12:00 PMET MALWARE 3proxy Backdoor CnC Domain in DNS Lookup (catalog .micrisoftdrivers .com)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE 3proxy Backdoor CnC Domain in DNS Lookup (catalog .micrisoftdrivers .com)"; dns.query; bsize:28; content:"catalog.micrisoftdrivers.com"; nocase; reference:url,github.com/sophoslabs/IoCs/blob/master/3proxy-backdoor-IOCs.csv; reference:url,news.sophos.com/en-us/2024/04/09/smoke-and-screen-mirrors-a-strange-signed-backdoor/; classtype:trojan-activity; sid:2051983; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_04_10, deployment Perimeter, malware_family 3proxy, performance_impact Low, confidence High, signature_severity Major, tag 3proxy, updated_at 2024_10_03, reviewed_at 2024_10_03;)
Apr 10, 2024, 12:00 PM
Oct 3, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules