Hello to meet your requirements:
From 1.01.2024 to 03/19/2024
1. Add a new filter
2. Select the
@timestamp field
3. Select the "
is between" operator
4. Set the lower bound (01/01/2024 )
5. Set the upper bound ( 03/19/2024)
For the user "root:1. Add a new filter
2. Select the
data.srcuser field
3. Select the "
is" operator
4. Set the value "
root"
For the event "User account is blocked (multiple login errors)" :In this case, there must be a rule associated with the alert. I would suggest using the rule ID
1. Add a new filter
2. Select the
rule.id field
3. Select the "
is" operator
4. Set the value to the rule you want to filter

From 18:00 to 20:00:
This one is more tricky I've didn't found how to add this without compromising the @timestamp filter