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Detection rules › Sigma

SSHD Error Message CVE-2018-15473

Status
test
Severity
medium
Log source
product linux, service sshd
Author
Florian Roth (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects exploitation attempt using public exploit code for CVE-2018-15473

MITRE ATT&CK coverage

TacticTechniques
Reconnaissance

Rule body

title: SSHD Error Message CVE-2018-15473
id: 4c9d903d-4939-4094-ade0-3cb748f4d7da
status: test
description: Detects exploitation attempt using public exploit code for CVE-2018-15473
references:
    - https://github.com/Rhynorater/CVE-2018-15473-Exploit
author: Florian Roth (Nextron Systems)
date: 2017-08-24
modified: 2021-11-27
tags:
    - attack.reconnaissance
    - attack.t1589
    - cve.2018-15473
    - detection.emerging-threats
logsource:
    product: linux
    service: sshd
detection:
    keywords:
        - 'error: buffer_get_ret: trying to get more bytes 1907 than in buffer 308 [preauth]'
    condition: keywords
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

keywords

Stage 1: keywords

keywords:
    - 'error: buffer_get_ret: trying to get more bytes 1907 than in buffer 308 [preauth]'