alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Voldemort System Info Exfil";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/p/"; startswith;
content:"/stage2-"; fast_pattern;
pcre:"/^\d\x2f/R";
base64_decode:offset 0,relative;
base64_data;
content:"system|3d|";
content:"node|3d|";
content:"release|3d|";
content:"version|3d|";
content:"machine|3d|";
classtype:trojan-activity;
sid:2063453; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_08_28, deployment Perimeter, malware_family Voldemort, confidence High, signature_severity Critical, updated_at 2025_07_14, former_sid 2858210, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
target:dest_ip;
)