CEF Suspicious File Logs

CEF Key

Description

Value

Header (logVer)

CEF format version

CEF:0

Header (vendor)

Appliance vendor

Trend Micro

Header (pname)

Appliance product

Control Manager

Header (pver)

Appliance version

7.0

Header (eventid)

FH:Action

FH:Log

Header (eventName)

Name

Suspicious Files

Header (severity)

Severity

3

deviceExternalId

ID

Example: "1"

cat

Log type

Example: "1766"

deviceFacility

Product name

Example: "OfficeScan"

cn1Label

Corresponding label for the "cn1" field

Example: "SLF_ProductVersion"

cn1

Product version

Example: "11"

rt

Detection time

Example: "Nov 15 2017 02:47:21 GMT+00:00"

dst

Endpoint IPv4 address

Example: "10.201.86.151"

c6a3Label

Corresponding label for the "c6a3" field

Example: "Endpoint IPv6 Address"

c6a3

Endpoint IPv6 address

Example: "2620:101:4003:7a0:fd4b:52ed:53bd:ae3d"

dhost

Endpoint host name

Example: "OSCE-CLIENT-1"

cs2Label

Corresponding label for the "cs2" field

Example: "SLF_TrueFileType"

cs2

File type

Example: "TEXT"

fileHash

File SHA-1

Example: "D6712CAE5EC821F910E14945153AE7871AA536CA"

cs3Label

Corresponding label for the "cs3" field

Example: "SLF_FileSource"

cs3

File path

Example: "C:\\Users\\Administrator\\Desktop\\BT-SHA1-SAMPLE\\BT-SHA1-SAMPLE\\017545113A434757C5F0F13095DBBF138BD76A40;0x36D572AE"

cn2Label

Corresponding label for the "cn2" field

Example: "SLF_SourceType"

cn2

C&C list source

Example: "0"

  • 0: Sandbox

  • 1: User-defined

act

Action

Example: "Log"

  • 1: Log

  • 2: Block

  • 3: Quarantine

cn3Label

Corresponding label for the "cn3" field

Example: "SLF_ScanType"

cn3

Scan type

Example: "1"

  • 1: Scheduled scan

  • 2: Manual scan

  • 3: Scan now

  • 4: Real-time scan

Log sample:

CEF:0|Trend Micro|Control Manager|7.0|FH:Log|Suspicious File
s|3|deviceExternalId=1 rt=Nov 15 2016 02:47:21 GMT+00:00 cat
=1766 deviceFacility=OfficeScan cn1Label=SLF_ProductVersion 
cn1=11 dst=10.201.86.151 dhost=OSCE-CLIENT-1 cs2Label=SLF_Tr
ueFileType cs2=SLF_TrueFileType fileHash=D6712CAE5EC821F910E
14945153AE7871AA536CA cs3Label=SLF_FileSource cs3=C:\\Users\
\Administrator\\Desktop\\BT-SHA1-SAMPLE\\BT-SHA1-SAMPLE\\017
545113A434757C5F0F13095DBBF138BD76A40;0x36D572AE cn2Label=SL
F_SourceType cn2=0 act=Log cn3Label=SLF_ScanType cn3=1