ET MALWARE Suspected TA401/AridViper APT Micropsia Variant Related Activity (POST)

Query · suricata

flow:established,to_server;
urilen:>30;
http.method;
content:"POST";
http.uri;
content:!"|2e|";
http.content_type; bsize:48;
content:"application/x-www-form-urlencoded|3b 20|charset=utf-8";
http.accept_enc; bsize:4;
content:"UTF8";
http.header_names;
content:!"Referer|0d 0a|";
http.request_body;
content:"Ace="; startswith; fast_pattern;
target:src_ip;
Raw source ET MALWARE Suspected TA401/AridViper APT Micropsia Variant 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 Suspected TA401/AridViper APT Micropsia Variant Related Activity (POST)";
    flow:established,to_server;
    urilen:>30;
    http.method;
    content:"POST";
    http.uri;
    content:!"|2e|";
    http.content_type; bsize:48;
    content:"application/x-www-form-urlencoded|3b 20|charset=utf-8";
    http.accept_enc; bsize:4;
    content:"UTF8";
    http.header_names;
    content:!"Referer|0d 0a|";
    http.request_body;
    content:"Ace="; startswith; fast_pattern;
    reference:md5,36e291abe37fff7868c5ca7d4105c86b;
    reference:url,www.sentinelone.com/labs/gaza-cybergang-unified-front-targeting-hamas-opposition/;
    classtype:trojan-activity;
    sid:2052361; 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_05_02, deployment Perimeter, malware_family AridViper, malware_family TA401, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_02;
    target:src_ip;
)

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