ET MALWARE Win32/RisePro CnC Activity (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/RisePro CnC Activity (GET)";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri; bsize:<180;
    content:"/doc"; startswith;
    pcre:"/^(?:[0-9]{9})_(?:[0-9]{9})\x3fhash=(?:[a-zA-Z0-9]{43})&dl=(?:[0-9A-Z]{15}):(?:[0-9]{10}):(?:[a-zA-Z0-9]{43})&api=\d&no_preview=\d/R";
    http.user_agent;
    content:"Mozilla|2f|5|2e|0|20 28|Windows|20|NT|20|10|2e|0|3b 20|Win64|3b 20|x64|29 20|AppleWebKit|2f|537|2e|36|20 28|KHTML|2c 20|like|20|Gecko|29 20|Chrome|2f|93|2e|0|2e|4577|2e|63|20|Safari|2f|537|2e|36"; bsize:114; fast_pattern;
    http.header_names;
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; bsize:37;
    content:!"Referer";
    reference:url,flashpoint.io/blog/risepro-stealer-and-pay-per-install-malware-privateloader;
    classtype:command-and-control;
    sid:2042988; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_21, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_RisePro, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_21, reviewed_at 2025_10_24;
)