ET WEB_SPECIFIC_APPS Possible KLOG Server RCE Inbound (CVE-2020-35729)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"user=|22|"; startswith;
content:"%22%26"; fast_pattern;
Raw source ET WEB_SPECIFIC_APPS Possible KLOG Server RCE Inbound (CVE-2020-35729) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET WEB_SPECIFIC_APPS Possible KLOG Server RCE Inbound (CVE-2020-35729)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"user=|22|"; startswith;
    content:"%22%26"; fast_pattern;
    reference:url,docs.unsafe-inline.com/0day/klog-server-unauthentication-command-injection;
    reference:cve,2020-35729;
    classtype:attempted-admin;
    sid:2031590; rev:1;
    metadata:attack_target Server, created_at 2021_01_29, cve CVE_2020_35729, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_29;
)

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