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abon13's avatar
abon13
Brass Contributor
Jun 13, 2023
Solved

Custom log table having two timestamps in Sentinel

Hi,

 

Signal Science logs are flowing into Sentinel under a custom table and this table ends up generating two stamps (both are few hours apart).  The Signal science logs are ingested using a custom Azure function and I believe this custom function need some tweaking.  

 

  1. I am new to functions so trying to understand how to locate the custom function  ?
  2. What are the usual reasons we can see two timestamps under a table in Sentinel ?

 

Thanks !!

 

  • These are probably Function Apps - look for "Function app" in the Azure Portal. Then select the Function App --> Functions --> select the specific function --> Code & test (which allows you to see the code).

    ingestion_time() and TimeGenerated are the two main Timestamps - why you have others the function app (hopefully) will explain that or look at the schema, if Signal have a page on that?

2 Replies

  • Clive_Watson's avatar
    Clive_Watson
    Bronze Contributor
    These are probably Function Apps - look for "Function app" in the Azure Portal. Then select the Function App --> Functions --> select the specific function --> Code & test (which allows you to see the code).

    ingestion_time() and TimeGenerated are the two main Timestamps - why you have others the function app (hopefully) will explain that or look at the schema, if Signal have a page on that?

    • abon13's avatar
      abon13
      Brass Contributor
      Thanks for the response. I got the functions.
      Are SentinelAppIngestion and SentinelAppProcessing some of the default functions in Sentinel ?

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