alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE SSL Cert Associated with Lazarus Downloader (JEUSD)"; flow:established,to_client; tls.cert_subject; content:"CN=celasllc.com"; bsize:15; fast_pattern; reference:md5,5509ee41b79c5d82e96038993f0bf3fa; reference:url,blogs.360.cn/blog/apt-c-26/; reference:url,crt.sh/?id=492527550; classtype:trojan-activity; sid:2025990; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_08_15, deployment Perimeter, malware_family JEUSD, performance_impact Low, confidence High, signature_severity Major, tag Lazarus, updated_at 2022_03_13;)