ET MALWARE TA401 Arid Viper Related Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:57;
pcre:"/^\/[a-z0-9]{16}\//i";
http.request_body;
content:"pcUHJvZ3JhbURhdG"; fast_pattern;
Raw source ET MALWARE TA401 Arid Viper Related Activity (POST) · Suricata
Esc
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 TA401 Arid Viper Related Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:57;
    pcre:"/^\/[a-z0-9]{16}\//i";
    http.request_body;
    content:"pcUHJvZ3JhbURhdG"; fast_pattern;
    classtype:trojan-activity;
    sid:2036928; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_07, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_07;
)

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