ET MALWARE Echelon/DarkStealer Variant CnC Exfil

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:".php?chatid=";
content:"&username=";
content:"&machineName=";
content:"&Country=";
content:"&HWID=";
content:"&ip=";
http.request_body;
content:"|0d 0a|Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|Files"; fast_pattern;
http.header_names;
content:!"Referer";
content:!"User-Agent";
Raw source ET MALWARE Echelon/DarkStealer Variant CnC Exfil · 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 Echelon/DarkStealer Variant CnC Exfil";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:".php?chatid=";
    content:"&username=";
    content:"&machineName=";
    content:"&Country=";
    content:"&HWID=";
    content:"&ip=";
    http.request_body;
    content:"|0d 0a|Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|Files"; fast_pattern;
    http.header_names;
    content:!"Referer";
    content:!"User-Agent";
    reference:md5,fed2a8736c84eda9dcc8533b5019f7d8;
    classtype:trojan-activity;
    sid:2030688; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_17, deployment Perimeter, malware_family DarkStealer, malware_family Ecehlon, confidence High, signature_severity Major, updated_at 2020_08_17;
)

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