Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Clipsa Stealer - Coinminer Download"; flow:established,to_server; urilen:39; http.method; content:"GET"; http.uri; content:"/wp-content/plugins/WPSystem/dl.php?a="; depth:38; fast_pattern; http.header_names; content:!"Referer"; reference:md5,c5d5608df7519c44358fa87bd046b553; reference:url,decoded.avast.io/janrubin/clipsa-multipurpose-password-stealer/; classtype:coin-mining; sid:2027894; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_16, deployment Perimeter, confidence High, signature_severity Major, tag Coinminer, tag Stealer, updated_at 2020_09_01, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;)