ET INFO F5 BIG-IP - Command Execution via util/bash

Query · suricata

flow:established,to_server;
flowbits:set,ET.BIGIP.Bash;
http.method;
content:"POST";
http.uri;
content:"/mgmt/tm/util/bash"; fast_pattern;
http.request_body;
content:"|22|command|22|";
content:"|22|utilCmdArgs|22|";
target:dest_ip;

Rule dependencies

Feeds into

Raw source ET INFO F5 BIG-IP - Command Execution via util/bash · 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 any any -> $HOME_NET any (
    msg:"ET INFO F5 BIG-IP - Command Execution via util/bash";
    flow:established,to_server;
    flowbits:set,ET.BIGIP.Bash;
    http.method;
    content:"POST";
    http.uri;
    content:"/mgmt/tm/util/bash"; fast_pattern;
    http.request_body;
    content:"|22|command|22|";
    content:"|22|utilCmdArgs|22|";
    classtype:misc-attack;
    sid:2049259; rev:2;
    metadata:affected_product F5, attack_target Networking_Equipment, created_at 2023_11_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2026_01_20;
    target:dest_ip;
)

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