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Release 21 - Out-of-the-box alerts

Detection name

Detection description

Devo table / Data source / Category

Updates

SecOpsAccountsCreatedRemovedWithinFourHours

Detects user accounts that are created and delete within a four time period.

box.all.win

Updated Alert Logic to reduce false positives 

SecOpsFWRDPTrafficUnauthorized

Detects RDP traffic to hosts, not within an allowed list.

firewall.all.traffic

Removed dependency for installation 

SecOpsO365OneDriveDownload

Detects high volume of OneDrive activity

cloud.office365.mangement

New Alert! 

SecOpsLinuxSuspciousExecutionCommand

Detects relevant commands often related to malware or hacking activity.

box.unix

Updated to reduce false positives 

SecOpsCDHuntFWdstIpIsPossibleIoc

This search looks for Collective Defense matches in firewall data.

firewall.all.traffic

Field naming updates 

SecOpsFWIcmpExcessivePackets

Since ICMP packets are typically very small, this alert will detect ICMP packets that are larger than expected. A large amount of data sent over ICMP may indicate the presence of command and control traffic or data exfiltration.

firewall.all.traffic

Field naming updates 

SecOpsFWTrafficOnUnassignedLowPort

Identifies traffic across a port lower than 1024 that is unassigned by IANA. These ports are rarely used by legitimate services and may indicate malicious activity or traffic.

firewall.all.traffic

Field naming updates 

SecOpsVNCPortOpen

Used to identify the default port for VNC connections

firewall.all.traffic

Field naming updates