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Elastic Docs ›Elastic Security Solution [8.4] ›Detections and alerts ›Prebuilt rule reference

Suspicious JAVA Child Process

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Suspicious JAVA Child Process

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Identifies suspicious child processes of the Java interpreter process. This may indicate an attempt to execute a malicious JAR file or an exploitation attempt via a JAVA specific vulnerability.

Rule type: eql

Rule indices:

  • auditbeat-*
  • logs-endpoint.events.*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Linux
  • macOS
  • Threat Detection
  • Execution

Version: 6 (version history)

Added (Elastic Stack release): 7.12.0

Last modified (Elastic Stack release): 8.4.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query
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process where event.type in ("start", "process_started") and
process.parent.name : "java" and process.name : ("sh", "bash",
"dash", "ksh", "tcsh", "zsh", "curl", "wget")











Threat mapping
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Framework: MITRE ATT&CKTM














Rule version history
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Version 6 (8.4.0 release)








    

  • 
Formatting only

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Version 4 (8.2.0 release)








    

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Formatting only

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Version 3 (8.0.0 release)








    

  • 
Rule name changed from: Suspicious JAR Child Process

    • 

  • 

    Updated query, changed from:
    

    

    

    process where event.type in ("start", "process_started") and
process.parent.name : "java" and process.name : ("sh", "bash",
"dash", "ksh", "tcsh", "zsh", "curl", "wget") and process.args :
"-jar" and process.args : "*.jar" and /* Add any FP's here */ not
process.executable : ("/Users/*/.sdkman/*",
"/Library/Java/JavaVirtualMachines/*") and not process.args :
("/usr/local/*", "/Users/*/github.com/*", "/Users/*/src/*")
    

    

    • 









Version 2 (7.15.0 release)








    

  • 
Formatting only

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