Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE [401TRG] SUNBURST Related DNS Lookup to bigtopweb .com"; dns.query; content:"bigtopweb.com"; nocase; endswith; reference:url,symantec-enterprise-blogs.security.com/blogs/threat-intelligence/solarwinds-raindrop-malware; classtype:trojan-activity; sid:2031540; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_01_25, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_25;)