Sigma rule: SSHD Error Message CVE-2018-15473

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c94fae1743f8, updated 2021-11-27T00:00:00.000Z.

Rule

Title
SSHD Error Message CVE-2018-15473
Status
test
Level
medium
Author
Florian Roth (Nextron Systems)
Date
2017-08-24
Modified
2021-11-27
File
rules-emerging-threats/2018/Exploits/CVE-2018-15473/lnx_sshd_exploit_cve_2018_15473.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product
linux
service
sshd

Detection

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

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.reconnaissance
  • attack.t1589
  • cve.2018-15473
  • detection.emerging-threats

CVEs this rule names

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2018/Exploits/CVE-2018-15473/lnx_sshd_exploit_cve_2018_15473.yml

Sources and licences

  • SigmaHQ

    "SSHD Error Message CVE-2018-15473" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2018/Exploits/CVE-2018-15473/lnx_sshd_exploit_cve_2018_15473.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: SSHD Error Message CVE-2018-15473",
entity page, dataset version ref-c94fae1743f8, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4c9d903d-4939-4094-ade0-3cb748f4d7da (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4c9d903d-4939-4094-ade0-3cb748f4d7da, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.