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Unable to build an alert to consider Non-Business Hours

alespinosadlm
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‎2023-01-26 01:28 PM

I'm trying to alert a Successful login from an Admin User in Non-Business Hours...

 

I copied the syntax from the RSA Live ESA Rule related to Failed Logins: 

alespinosadlm_1-1674756675053.png

alespinosadlm_2-1674756829172.png

 

Here is the content of the new one:

 

@Name('Logon_Success_NBH')
create context NotWorkingHours start (*, 18, * ,*, *) end (*, 8, *, *, *);
@RSAAlert(oneInSeconds=0, identifiers={"user_dst"})
@Name ("Failed Logins Outside Business Hours by {user_dst}")
context NotWorkingHours select window(*) from Event
(ec_activity='Logon'
AND ec_outcome='Success'
AND device_class IN ('Web Logs' , 'Windows Hosts' , 'Wireless Devices')
AND user_dst.toLowerCase() IN ('Administrator','pruebapass','pruebasiem','prueba2siem')
).win:time(5 seconds) ;

 

 

 

I also tried an alarm created on this discussion but I got the same results us: https://community.netwitness.com/t5/netwitness-discussions/esa-alerts-depending-on-business-hours-and-business-days/m-p/437477/highlight/true

 

Has anyone here tested an alarm like this fo guide us?

 

Thanks in advance

 

@LuisBernal1 

 

 

 

 

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JohnSnider
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‎2023-10-25 05:56 PM

look at the response in this page from AndrewOjha
https://community.netwitness.com/t5/netwitness-discussions/esa-alerts-depending-on-business-hours-and-business-days/m-p/437477/highlight/true#M3505

 

The other thing you need to understand is time is in Netwitness captures in UTC so if you are in a different timezone, you would need to adjust the hours for the offset

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