ET EXPLOIT SSH Erlang/OTP SSH Server Unencryped Channel Request (Message Type 98) (CVE-2025-32433)

Query · suricata

flow:established,to_server;
flowbits:isset,ET.ErlangOTPBanner;
content:"exec"; fast_pattern;
byte_jump:0,0,relative,post_offset -13;
content:"|62|"; within:1;
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET EXPLOIT SSH Erlang/OTP SSH Server Unencryped Channel Request (Message Type 98) (CVE-2025-32433) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert ssh any any -> $HOME_NET any (
    msg:"ET EXPLOIT SSH Erlang/OTP SSH Server Unencryped Channel Request (Message Type 98) (CVE-2025-32433)";
    flow:established,to_server;
    flowbits:isset,ET.ErlangOTPBanner;
    content:"exec"; fast_pattern;
    byte_jump:0,0,relative,post_offset -13;
    content:"|62|"; within:1;
    reference:cve,2025-32433;
    reference:url,github.com/darses/CVE-2025-32433/blob/main/README.md;
    classtype:attempted-admin;
    sid:2061797; rev:3;
    metadata:affected_product Erlang_OTP, attack_target Server, tls_state plaintext, created_at 2025_04_22, cve CVE_2025_32433, deployment Perimeter, deployment Internal, performance_impact Significant, confidence High, signature_severity Major, tag Exploit, updated_at 2025_06_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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