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From justinleet <...@git.apache.org>
Subject [GitHub] incubator-metron issue #438: METRON-686 Record Rule Set that Fired During Th...
Date Thu, 09 Feb 2017 20:20:42 GMT
Github user justinleet commented on the issue:

    https://github.com/apache/incubator-metron/pull/438
  
    I saw some odd behavior I think is unrelated to this PR itself while testing.
    
    I tried to remove the threat triage rule, messed up, fixed it, and then borked my conf
variable.  After recovering I was able to successfully test (and run THREAT_TRIAGE_REMOVE
without breaking conf).
    
    ```
    [Stellar]>>> conf
    {
      "enrichment" : {
        "fieldMap" : {
          "geo" : [ "ip_dst_addr", "ip_src_addr" ],
          "host" : [ "host" ],
          "stellar" : {
            "config" : {
              "is_alert" : "source.type == 'bro'"
            }
          }
        },
        "fieldToTypeMap" : { },
        "config" : { }
      },
      "threatIntel" : {
        "fieldMap" : {
          "hbaseThreatIntel" : [ "ip_src_addr", "ip_dst_addr" ]
        },
        "fieldToTypeMap" : {
          "ip_src_addr" : [ "malicious_ip" ],
          "ip_dst_addr" : [ "malicious_ip" ]
        },
        "config" : { },
        "triageConfig" : {
          "riskLevelRules" : [ {
            "name" : "Abnormal DNS Port",
            "rule" : "source.type == \"bro\" and protocol == \"dns\" and ip_dst_port != 53",
            "score" : 10.0
          } ],
          "aggregator" : "MAX",
          "aggregationConfig" : { }
        }
      },
      "configuration" : { }
    }
    [Stellar]>>> conf := THREAT_TRIAGE_REMOVE(conf, 'Abnormal DNS Port')
    [!] Unable to execute: java.lang.String cannot be cast to java.util.List
    org.apache.metron.common.dsl.ParseException: Unable to execute: java.lang.String cannot
be cast to java.util.List
    	at org.apache.metron.common.stellar.StellarCompiler.getResult(StellarCompiler.java:409)
    	at org.apache.metron.common.stellar.BaseStellarProcessor.parse(BaseStellarProcessor.java:127)
    	at org.apache.metron.common.stellar.shell.StellarExecutor.execute(StellarExecutor.java:275)
    	at org.apache.metron.common.stellar.shell.StellarShell.executeStellar(StellarShell.java:373)
    	at org.apache.metron.common.stellar.shell.StellarShell.handleStellar(StellarShell.java:276)
    	at org.apache.metron.common.stellar.shell.StellarShell.execute(StellarShell.java:412)
    	at org.jboss.aesh.console.AeshProcess.run(AeshProcess.java:53)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    	at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
    	at org.apache.metron.management.ThreatTriageFunctions$RemoveStellarTransformation.apply(ThreatTriageFunctions.java:232)
    	at org.apache.metron.common.stellar.StellarCompiler.exitTransformationFunc(StellarCompiler.java:267)
    	at org.apache.metron.common.stellar.generated.StellarParser$TransformationFuncContext.exitRule(StellarParser.java:1689)
    	at org.antlr.v4.runtime.Parser.triggerExitRuleEvent(Parser.java:422)
    	at org.antlr.v4.runtime.Parser.exitRule(Parser.java:632)
    	at org.apache.metron.common.stellar.generated.StellarParser.functions(StellarParser.java:1712)
    	at org.apache.metron.common.stellar.generated.StellarParser.arithmetic_operands(StellarParser.java:1846)
    	at org.apache.metron.common.stellar.generated.StellarParser.arithmetic_expr_mul(StellarParser.java:1609)
    	at org.apache.metron.common.stellar.generated.StellarParser.arithmetic_expr(StellarParser.java:1469)
    	at org.apache.metron.common.stellar.generated.StellarParser.transformation_expr(StellarParser.java:308)
    	at org.apache.metron.common.stellar.generated.StellarParser.transformation(StellarParser.java:149)
    	at org.apache.metron.common.stellar.BaseStellarProcessor.parse(BaseStellarProcessor.java:126)
    	... 8 more
    [Stellar]>>> conf := THREAT_TRIAGE_REMOVE(conf, ['Abnormal DNS Port'])
    [Stellar]>>> conf
    {
      "enrichment" : {
        "fieldMap" : { },
        "fieldToTypeMap" : { },
        "config" : { }
      },
      "threatIntel" : {
        "fieldMap" : { },
        "fieldToTypeMap" : { },
        "config" : { },
        "triageConfig" : {
          "riskLevelRules" : [ ],
          "aggregator" : "MAX",
          "aggregationConfig" : { }
        }
      },
      "configuration" : { }
    }
    ```


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