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error query threat hunting

Copper Contributor
// Query2
// Summary of e-mail SEND to free web mail services
let timeframe = 1d;
// popular public web service domains
let emailservicedomains =dynamic (["gmail.com","outlook.com","hotmail.com","gmx.de",
"yahoo.com","mail.com","web.de","mail.ru","freenet.de","ziggo.nl","xs4all.nl",
"seznam.cz","email.cz","aol.com","hotmail.co.uk","hotmail.fr",
"msn.com","yahoo.fr","orange.fr","wanadoo.fr","comcast.net",
"yahoo.com.br","yahoo.co.in","live.com","rediffmail.com","free.fr","yandex.ru","ymail.com","libero.it",
"uol.com.br","bol.com.br","cox.net","hotmail.it","sbcglobal.net","sfr.fr","live.fr","verizon.net","live.co.uk","googlemail.com","yahoo.es",
"ig.com.br","live.nl","bigpond.com","terra.com.br","yahoo.it","neuf.fr","yahoo.de","alice.it","rocketmail.com","att.net","laposte.net",
"facebook.com","bellsouth.net","yahoo.in","hotmail.es","charter.net","yahoo.ca","yahoo.com.au","rambler.ru","hotmail.de","tiscali.it",
"shaw.ca","yahoo.co.jp","sky.com","earthlink.net","optonline.net","freenet.de","t-online.de","aliceadsl.fr",
"virgilio.it","home.nl","qq.com","telenet.be","me.com","yahoo.com.ar","tiscali.co.uk","yahoo.com.mx","voila.fr","gmx.net",
"mail.com","planet.nl","tin.it","live.it","ntlworld.com","arcor.de","yahoo.co.id","frontiernet.net","hetnet.nl","live.com.au",
"yahoo.com.sg","zonnet.nl","club-internet.fr","juno.com","optusnet.com.au","blueyonder.co.uk","bluewin.ch","highspeed.ch",
"skynet.be","sympatico.ca","windstream.net","mac.com","centurytel.net","chello.nl","live.ca","aim.com","bigpond.net.au"
"yahoo.co.uk"]);
EmailEvents
| where Timestamp > ago (timeframe)
| extend ReceipientDomain = tostring(split(RecipientEmailAddress,"@",1)[0])
| where ReceipientDomain in (emailservicedomains)
| summarize count() by ReceipientDomain
 
 
hi,
 
please help
 

 

An error has occurred

 

Error messageAn unexpected error occurred during query execution. Please try again in a few minutes.
1 Reply

Hi @sulaimanncs915,

The error message "An unexpected error occurred during query execution. Please try again in a few minutes." is a generic error message that can occur for a variety of reasons.

In the case of your query, it is possible that the error is caused by the following:

  • A temporary issue with the Kusto service. This could be due to a high volume of traffic or a maintenance event.
  • A syntax error in the query. This could be a typo, a missing comma, or an incorrect operator.
  • A permission issue. You may not have the necessary permissions to run the query.
  • A bug in the Kusto service. If you have tried running the query multiple times and it continues to fail, it is possible that there is a bug in the Kusto service.


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Kindest regards,


Leon Pavesic
(LinkedIn)