Sigma rule: Potential JNDI Injection Exploitation In JVM Based Application

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-65f61ae0ed6f, updated 2023-02-11T00:00:00.000Z.

Rule

Title
Potential JNDI Injection Exploitation In JVM Based Application
Status
test
Level
high
Author
Moti Harmats
Date
2023-02-11
File
rules/application/jvm/java_jndi_injection_exploitation_attempt.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potential JNDI Injection exploitation. Often coupled with Log4Shell exploitation.

Log source

product
jvm
category
application
definition
Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)

Detection

keywords:
    - 'com.sun.jndi.ldap.'
    - 'org.apache.logging.log4j.core.net.JndiManager'
condition: keywords

False positives (as the rule lists them)

  • Application bugs

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/application/jvm/java_jndi_injection_exploitation_attempt.yml

Sources and licences

  • SigmaHQ

    "Potential JNDI Injection Exploitation In JVM Based Application" by Moti Harmats (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/application/jvm/java_jndi_injection_exploitation_attempt.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: Potential JNDI Injection Exploitation In JVM Based Application",
entity page, dataset version ref-65f61ae0ed6f, updated 2023-02-11T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/bb0e9cec-d4da-46f5-997f-22efc59f3dca (accessed 2026-11-03).
Underlying source: SigmaHQ rule bb0e9cec-d4da-46f5-997f-22efc59f3dca, 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.