Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible Encoded Wide PowerShell (IEX) in Certificate Inbound"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"-----BEGIN|20|CERTIFICATE-----|0d 0a|YVFCb"; depth:40; fast_pattern; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/cve-2019-2725-exploited-and-certificate-files-used-for-obfuscation-to-deliver-monero-miner/; classtype:trojan-activity; sid:2027462; rev:2; metadata:created_at 2019_06_12, cve CVE_2019_2725, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_08_31;)