ET EXPLOIT Laravel Remote Code Execution (CVE-2021-3129) Outbound - Payload Execution Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/_ignition/execute-solution/"; startswith; fast_pattern;
http.request_body;
content:"|22|solution|22 3a 20 22|Facade|5c 5c|Ignition|5c 5c|Solutions|5c 5c|MakeViewVariableOptionalSolution|22|";
content:"|22|viewFile|22 3a 20 22|phar|3a 2f 2f|";
Raw source ET EXPLOIT Laravel Remote Code Execution (CVE-2021-3129) Outbound - Payload Execution Attempt · 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 -> any any (
    msg:"ET EXPLOIT Laravel Remote Code Execution (CVE-2021-3129) Outbound - Payload Execution Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/_ignition/execute-solution/"; startswith; fast_pattern;
    http.request_body;
    content:"|22|solution|22 3a 20 22|Facade|5c 5c|Ignition|5c 5c|Solutions|5c 5c|MakeViewVariableOptionalSolution|22|";
    content:"|22|viewFile|22 3a 20 22|phar|3a 2f 2f|";
    reference:url,blog.talosintelligence.com/2021/06/necro-python-bot-adds-new-tricks.html;
    reference:url,www.ambionics.io/blog/laravel-debug-rce;
    reference:url,github.com/ambionics/laravel-exploits/blob/main/laravel-ignition-rce.py;
    reference:cve,2021-3129;
    classtype:attempted-admin;
    sid:2033082; rev:2;
    metadata:affected_product Web_Server_Applications, attack_target Client_Endpoint, created_at 2021_06_03, cve CVE_2021_3129, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag CISA_KEV, updated_at 2021_06_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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