ET RETIRED Sharp Panda Soul Framework CnC Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED Sharp Panda Soul Framework CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/index.php?ClientHello"; bsize:22;
    http.header;
    content:"MD5|3a 20|d41d8cd98f00b204e9800998ecf8427e"; fast_pattern;
    reference:url,research.checkpoint.com/2023/pandas-with-a-soul-chinese-espionage-attacks-against-southeast-asian-government-entities/;
    classtype:trojan-activity;
    sid:2044564; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_10, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_30, reviewed_at 2024_09_30;
)