ET MALWARE Win32/SSLoad Tasking Request (POST)

Query · suricata

flow:established,to_server;
flowbits:set,ET.SSLoad1_1.TaskingRequest;
http.method;
content:"POST";
http.uri;
content:"/api/"; startswith;
pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}/R";
content:"/tasks"; endswith;
http.referer;
content:"|2a 2f 2a|"; bsize:3; fast_pattern;
http.content_type;
content:"application/json"; bsize:16;
http.content_len;
byte_test:0,=,0,0,string,dec;
target:src_ip;

Rule dependencies

Feeds into

  • 1 rule read ET.SSLoad1_1.TaskingRequest · view all
Raw source ET MALWARE Win32/SSLoad Tasking Request (POST) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/SSLoad Tasking Request (POST)";
    flow:established,to_server;
    flowbits:set,ET.SSLoad1_1.TaskingRequest;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/"; startswith;
    pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}/R";
    content:"/tasks"; endswith;
    http.referer;
    content:"|2a 2f 2a|"; bsize:3; fast_pattern;
    http.content_type;
    content:"application/json"; bsize:16;
    http.content_len;
    byte_test:0,=,0,0,string,dec;
    reference:md5,d6b0726de53f8a3da67a6e693485ca7a;
    reference:md5,ca303668b5420c022ef9c78ce1f2bfb7;
    classtype:trojan-activity;
    sid:2052099; 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_01_18, deployment Perimeter, malware_family SSLoad, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_04_18, former_sid 2856178;
    target:src_ip;
)

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