alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE WSHRAT Keylogger Module Download Command Inbound"; flow:established,from_server; flowbits:isset,ET.WSHRAT.1; http.stat_code; content:"200"; file.data; content:"offline-keylogger|7c|"; depth:18; fast_pattern; classtype:trojan-activity; sid:2027448; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_06_10, deployment Perimeter, malware_family WSHRAT, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2020_08_31;)