ET MALWARE Windows net statistics workstation Microsoft Windows DOS prompt command exit OUTBOUND

alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Windows net statistics workstation Microsoft Windows DOS prompt command exit OUTBOUND";
    flow:established,to_server;
    content:"Workstation Statistics for |5c 5c|"; fast_pattern;
    pcre:"/^[^\\\*\+\=\|\:\;\x22\?\<\>\,\#][A-Z0-9-!@#\$%^&\(\)\x20_{}\.~]{1,14}/Rsi";
    classtype:trojan-activity;
    sid:2023209; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2016_09_15, deployment Perimeter, deployment Datacenter, performance_impact Low, confidence High, signature_severity Critical, updated_at 2019_07_26;
)