alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE WSHRAT CnC Checkin"; flow:established,to_server; flowbits:set,ET.WSHRAT.1; http.method; content:"POST"; http.user_agent; content:"WSHRAT|7c|"; depth:7; fast_pattern; content:"|20|-|20|"; distance:0; classtype:command-and-control; sid:2027447; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_06_10, malware_family WSHRAT, performance_impact Low, confidence High, signature_severity Major, tag RAT, updated_at 2020_08_31;)