V 2.0 : Behavior Monitoring Event

Vendor Documentation

Classification

Rule Name

Rule Type

Classification

Common Event

V 2.0 : Behavior Monitoring Event

Base Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Allow

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Ask

Sub Rule

Other Security

General Security

V 2.0 : Behaviour Monitoring : Deny

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Terminate : 3

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Read Only

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Read/Write Only

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Read/Execute Only

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Feedback

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Clean

Sub Rule

Failed Activity

Threat Deleted

V 2.0 : Behaviour Monitoring : Unknown

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Assess

Sub Rule

Activity

General Threat Message

V 2.0 : Behaviour Monitoring : Terminate : 1004

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Terminate : 1005

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Terminate : 1006

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Terminate : 1007

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Terminate : 1008

Sub Rule

Failed Activity

Threat Blocked

V 2.0 : Behaviour Monitoring : Terminate : 1009

Sub Rule

Failed Activity

Threat Blocked

Mapping with LogRhythm Schema

Device Key in Log Message

LogRhythm Schema

Data Type

Schema Description

Header (logVer)

N/A

N/A

CEF format version

Header (vendor)

N/A

N/A

Product vendor

Header (pname)

N/A

N/A

Product name

Header (pver)

N/A

N/A

Product version

Header (eventid)

N/A

N/A

Behavior Monitoring policy ID

Header (eventName)

<vmid>

Text/String

Log name

Header (severity)

N/A

N/A

Severity

devicePayloadId

N/A

N/A

Unique message GUID

rt

N/A

N/A

Log generation time in UTC

dvcHost

N/A

N/A

Host name

cs5Label

N/A

N/A

Corresponding label for the "cs5" field

cs5Label

<severity>

Number/Text/String

Risk Level
0: Low
1: High

cs2Label

N/A

N/A

Corresponding label for the "cs2" field

cs2

<policy>

Number/Text/String

0: Compromised executable file
1: New startup program
2: Host file modification
3: Program library injection
4: New Internet Explorer plugin
5: Internet Explorer setting modification
6: Shell modification
7: New service
8: Security policy modification
9: Firewall policy modification
10: System file modification
11: Duplicated system file
13: Layered service provider
14: System process modification
16: Suspicious behavior
100: Newly encountered programs
200: Unauthorized file encryption
1000: Threat behavior analysis
9999: User-defined policy

sproc

<process>

Text/String/Number

Target of the event

cs3Label

N/A

N/A

Corresponding label for the "cs3" field

cs3

N/A

N/A

1: Process
2: Process image
4: Registry
8: File system
16: Driver
32: SDT
64: System API
128: User Mode
2048: Exploit
65535: All

cs1Label

N/A

N/A

Corresponding label for the "cs1" field

cs1

<object>

Text/String/Number

Target host

act

<action>
<tag1>

Number/Text/String

Translated action
0: Allow
1: Ask
2: Deny
3: Terminate
4: Read Only
5: Read/Write Only
6: Read/Execute Only
7: Feedback
8: Clean
1002: Unknown
1003: Assess
1004: Terminated. Files were recovered.
1005: Terminated. Some files were not recovered.
1006: Terminated. Files were not recovered.
1007: Terminated. Restart result: Files were recovered.
1008: Terminated: Restart result: Some files were not recovered.
1009: Terminated: Restart result: Files were not recovered.

cs4Label

N/A

N/A

Corresponding label for the "cn3" field

cs4

N/A

N/A

The operation to be performed by the target of the event
101: Create Process
102: Open
103: Terminate
104: Terminate
301: Delete
302: Write
303: Access
401: Create File
402: Close
403: Execute
501: Invoke
601: Exploit
9999: Unhandled Operation

shost

<sname>

Text/String

Source host (endpoint)

src

<sip>

IP Address

Source host IP address

TMCMLogDetectedHost

N/A

N/A

Endpoint name where the log event occurred

TMCMLogDetectedIP

N/A

N/A

IP address where the log event occurred

deviceFacility

N/A

N/A

Product

ApexCentralHost

N/A

N/A

Apex Central host name

reason

<reason>

Text/String

Critical threat type
A: Known Advanced Persistent Threat (APT)
B: Social engineering attack
C: Vulnerability attack
D: Lateral movement
E: Unknown threats
F: C&C callback
G: Ransomware

deviceNtDomain

N/A

N/A

Active Directory domain

dntdom

N/A

N/A

Apex One domain hierarchy