ET EXPLOIT ASUS RT-N56U/RT-AC66U Remote Code Execution

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/apply.cgi?current_page=Main_AdmStatus_Content.asp&next_page=Main_AdmStatus_Content.asp&next_host=&sid_list=FirewallConfig%3B&group_id=&modified=0&action_mode=+Refresh+&first_time=&action_script=&preferred_lang=EN&SystemCmd="; fast_pattern;
content:"&action=Refresh"; distance:0;
Raw source ET EXPLOIT ASUS RT-N56U/RT-AC66U Remote Code Execution · 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 EXPLOIT ASUS RT-N56U/RT-AC66U Remote Code Execution";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:"/apply.cgi?current_page=Main_AdmStatus_Content.asp&next_page=Main_AdmStatus_Content.asp&next_host=&sid_list=FirewallConfig%3B&group_id=&modified=0&action_mode=+Refresh+&first_time=&action_script=&preferred_lang=EN&SystemCmd="; fast_pattern;
    content:"&action=Refresh"; distance:0;
    reference:url,www.ise.io/research/studies-and-papers/asus_rtn56u/;
    classtype:attempted-admin;
    sid:2030310; rev:2;
    metadata:affected_product Linux, attack_target IoT, created_at 2020_06_11, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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