ET MALWARE Agrius Group ASPXSpy Webshell Connection Inbound M1

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".aspx"; endswith;
http.cookie;
content:"auth=a9cf6f3aaae163d7bf0cab956257eeb5ec8ab411007b552264fdebfb65c59bb6"; fast_pattern;
content:"passwd=afb3410722da93d4fd63372e147456fd0630e09a241cb78be48a05295c853ab2";
target:dest_ip;
Raw source ET MALWARE Agrius Group ASPXSpy Webshell Connection Inbound M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Agrius Group ASPXSpy Webshell Connection Inbound M1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".aspx"; endswith;
    http.cookie;
    content:"auth=a9cf6f3aaae163d7bf0cab956257eeb5ec8ab411007b552264fdebfb65c59bb6"; fast_pattern;
    content:"passwd=afb3410722da93d4fd63372e147456fd0630e09a241cb78be48a05295c853ab2";
    reference:url,unit42.paloaltonetworks.com/agonizing-serpens-targets-israeli-tech-higher-ed-sectors/;
    classtype:trojan-activity;
    sid:2049902; rev:1;
    metadata:affected_product Microsoft_IIS, attack_target Web_Server, created_at 2024_01_03, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_03;
    target:dest_ip;
)

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