Sigma rule: JNDIExploit Pattern

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-f6facc0a45b0, updated 2022-12-25T00:00:00.000Z.

Rule

Title
JNDIExploit Pattern
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2021-12-12
Modified
2022-12-25
File
rules/web/webserver_generic/web_jndi_exploit.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects exploitation attempt using the JNDI-Exploit-Kit

Log source

category
webserver

Detection

keywords:
    - '/Basic/Command/Base64/'
    - '/Basic/ReverseShell/'
    - '/Basic/TomcatMemshell'
    - '/Basic/JettyMemshell'
    - '/Basic/WeblogicMemshell'
    - '/Basic/JBossMemshell'
    - '/Basic/WebsphereMemshell'
    - '/Basic/SpringMemshell'
    - '/Deserialization/URLDNS/'
    - '/Deserialization/CommonsCollections1/Dnslog/'
    - '/Deserialization/CommonsCollections2/Command/Base64/'
    - '/Deserialization/CommonsBeanutils1/ReverseShell/'
    - '/Deserialization/Jre8u20/TomcatMemshell'
    - '/TomcatBypass/Dnslog/'
    - '/TomcatBypass/Command/'
    - '/TomcatBypass/ReverseShell/'
    - '/TomcatBypass/TomcatMemshell'
    - '/TomcatBypass/SpringMemshell'
    - '/GroovyBypass/Command/'
    - '/WebsphereBypass/Upload/'
condition: keywords

False positives (as the rule lists them)

  • Legitimate apps the use these paths

Tags

  • attack.initial-access
  • attack.t1190

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/web/webserver_generic/web_jndi_exploit.yml

Sources and licences

  • SigmaHQ

    "JNDIExploit Pattern" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/web/webserver_generic/web_jndi_exploit.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: JNDIExploit Pattern",
entity page, dataset version ref-f6facc0a45b0, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/412d55bc-7737-4d25-9542-5b396867ce55 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 412d55bc-7737-4d25-9542-5b396867ce55, 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.