ET RETIRED Win32/SSLoad Payload Request (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED Win32/SSLoad Payload Request (GET)";
    flow:established,to_server;
    flowbits:set,ET.SSLoad1_1.PayloadRetrieval;
    http.method;
    content:"GET";
    http.uri;
    content:"/api/g"; fast_pattern; startswith; bsize:6;
    http.header_names;
    content:"|0d 0a|Connection|0d 0a|Content-Type|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|";
    reference:md5,ca303668b5420c022ef9c78ce1f2bfb7;
    classtype:trojan-activity;
    sid:2052120; rev:2;
    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_04_16, deployment Perimeter, former_category MALWARE, malware_family SSLoad, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_07_14, reviewed_at 2025_07_14;
    target:src_ip;
)