Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE BazaLoader Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.header; pcre:"/^Date\x3a\x20[^\r\n]+[0-9]{2}::[0-9]{2}\x20/"; http.header_names; content:"|0d 0a|Date|0d 0a|Cookie|0d 0a|"; startswith; content:!"Referer"; content:!"Accept"; http.user_agent; content:"Win"; bsize:3; reference:md5,f75e5710a5c84cec8e06b9b5c99e5400; reference:url,twitter.com/malware_traffic/status/1412914497338097664; classtype:trojan-activity; sid:2033279; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_07_08, deployment Perimeter, deployment SSLDecrypt, malware_family BazaLoader, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_08;)