sshd: Possible attack on the ssh server (or version gathering).

Description

sshd: Possible attack on the ssh server (or version gathering).

Query · wazuh

match="Bad protocol version identification"

Fires when

Wazuh evaluates a chain top-down. Every rule above this one must match on the same event before this rule is tested at all.

  1. 5700 SSHD messages grouped. anchor level 0
    decoded_as=sshd
  2. 5701 sshd: Possible attack on the ssh server (or version gathering). refinement level 8 this rule
    match="Bad protocol version identification"

Rule dependencies

Depends on

Raw source sshd: Possible attack on the ssh server (or version gathering). · Wazuh XML
Esc
Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="5701" level="8">
    <if_sid>5700</if_sid>
    <match>Bad protocol version identification</match>
    <description>sshd: Possible attack on the ssh server (or version gathering).</description>
    <mitre>
      <id>T1190</id>
    </mitre>
    <group>gdpr_IV_35.7.d,gpg13_4.12,nist_800_53_SI.4,pci_dss_11.4,recon,tsc_CC6.1,tsc_CC6.8,tsc_CC7.2,tsc_CC7.3,</group>
  </rule>

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