Re: [rules-users] Is my use case suuported in Drools?
Srini,
Thank you very much.
-----Original Message-----
From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On
Behalf Of VGore
Sent: Tuesday, August 13, 2013 2:12 PM
To: rules-users(a)lists.jboss.org
Subject: Re: [rules-users] Is my use case suuported in Drools?
This sample address bruteforce attack to capture login failure.
---------------------------------------------------------------------------------------------------
declare Event
@role( event )
@timestamp( eventTime )
@expires (60s)
end
declare CorrelationEvent
@role( event )
end
rule "CorrelationLogin Level 1"
dialect "mvel"
no-loop
when
$e1 : Event($id : id, $sipaddress : sipaddress, $dipaddress :
dipaddress, $type : type == "LOGIN", $result : result =="FAILED")
over
window:time(50s) from entry-point EventStream
not CorrelationEvent(this.sipaddress == $sipaddress, this.dipaddress ==
$dipaddress)
then
CorrelationEvent ce = new CorrelationEvent();
ce.setSipaddress($e1.sipaddress);
ce.setDipaddress($e1.dipaddress);
ce.setLevel(1);
ce.setEventCount(1);
insert( ce );
end
rule "CorrelationLogin Level 2"
dialect "mvel"
no-loop
when
$e1 : Event($id : id, $sipaddress : sipaddress, $dipaddress :
dipaddress, $type : type == "LOGIN", $result : result =="FAILED")
over
window:time(50s) from entry-point EventStream
$ce : CorrelationEvent(this.sipaddress == $sipaddress, this.dipaddress == $dipaddress,
this.level == 1, $eventCount : this.eventCount < 10)
then
$ce.setEventCount($eventCount+1);
if($ce.getEventCount() == 10) {
$ce.setLevel(2);
}
modify( $ce );
end
rule "CorrelationLogin Level 3"
dialect "mvel"
no-loop
when
$e1 : Event($id : id, $sipaddress : sipaddress, $dipaddress :
dipaddress, $type : type == "LOGIN", $result : result =="FAILED")
over
window:time(50s) from entry-point EventStream
$ce : CorrelationEvent(this.sipaddress == $sipaddress, this.dipaddress == $dipaddress,
this.level == 2, $eventCount : this.eventCount < 40)
then
$ce.setEventCount($eventCount+1);
if($ce.getEventCount() == 40) {
$ce.setLevel(3);
}
modify( $ce );
end
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--
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