Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/PSW.Agent.QJK Stealer Data Exfil Via HTTP"; flow:established,to_server; urilen:1; http.method; content:"POST"; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|"; fast_pattern; pcre:"/^(?:(?:Passwords|PCinformation)\.txt|(?:Data|GrabbedTxtFiles)\.zip)\x22\r\n/Ri"; http.content_type; content:"multipart/form-data|3b 20|boundary="; startswith; http.header_names; content:!"User-Agent|0d 0a|"; content:!"Accept"; content:!"Referer|0d 0a|"; reference:md5,4bc4b071d9a7e482f3ecf8b2cbe10873; classtype:trojan-activity; sid:2024455; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_11, deployment Perimeter, malware_family Unknown, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_10;)