| CEF Key | Description | Value | 
|---|---|---|
| Header (logVer) | CEF format version | CEF:0 | 
| Header (vendor) | Appliance vendor | Trend Micro | 
| Header (pname) | Appliance product | Apex Central | 
| Header (pver) | Appliance version | 2019 | 
| Header (eventid) | AV:Action | AV:File renamed | 
| Header (eventName) | Virus/Malware name | JS_EXPLOIT.SMDN | 
| Header (severity) | Severity | 3 | 
| cnt | Detections | Example: "10" | 
| dhost | Endpoint | Example: "ApexOneClient01" | 
| duser | User | Example: "Admin004" | 
| act | Action | Example: "File renamed" For more information, see Action Mapping Table. | 
| rt | Log generation time in UTC | Example: Oct 06 2017 08:39:46 GMT+00:00 | 
| cn1Label | Corresponding label for the "cn1" field | Example: "VLF_PatternNumber" | 
| cn1 | Pattern/Rule version | Example: "920500" | 
| cn2Label | Corresponding label for the "cn2" field | Example: "VLF_SecondAction" | 
| cn2 | Second action | Example: "3" For more information, see Second Action Mapping Table. | 
| cs1Label | Corresponding label for the "cs1" field | Example: "VLF_FunctionCode" | 
| cs1 | Scan type | Example: "Manual Scan" 
 | 
| cs2Label | Corresponding label for the "cs2" field | Example: "VLF_EngineVersion" | 
| cs2 | Engine version | Example: "9.500.1005" | 
| cs3Label | Corresponding label for the "cs3" field | Example: "CLF_ProductVersion" | 
| cs3 | Product version | Example: "11" | 
| cs4Label | Corresponding label for the "cs4" field | Example: "CLF_ReasonCode" | 
| cs4 | Reason code | Example: "virus log" | 
| cs5Label | Corresponding label for the "cs5" field | Example: "VLF_FirstActionResult" | 
| cs5 | First action result | Example: "Unable to clean file" For more information, see Action Mapping Table. | 
| cs6Label | Corresponding label for the "cs6" field | Example: "Second Action Result" | 
| cs6 | Second action result | Example: "Unable to clean file. Passed" For more information, see Action Mapping Table. | 
| cat | Log type | Example: "1703" | 
| dvchost | Product server name | Example: "ApexOneServer01" | 
| cn3Label | Corresponding label for the "cn3" field | Example: "Overall_Risk_Rating" | 
| cn3 | Severity code | Example: "0" 
 | 
| deviceExternalId | ID | Example: "3" | 
| fname | File | Example: "FakeMalwareRebootDel.exe" | 
| filePath | File path | Example: "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\Rar$DR01.046\\" | 
| msg | File in compressed file | Example: "BMAC Schedule of Events.xls" | 
| shost | Source host | Example: "ABC-OSCE-WKS12" | 
| suser | Source host | Example: "ABC-OSCE-WKS12" | 
| dst | Endpoint IPv4 address | Examle: "50.8.1.1" | 
| c6a3Label | Corresponding label for the "c6a3" field | Example: "SLP_DestinationIP" | 
| c6a3 | Endpoint IPv6 address | Example: "fe80::38ca:cd15:443c:40bb%11" | 
| fileHash | File SHA-1 | Example: "D6712CAE5EC821F910E14945153AE7871AA536CA" | 
| deviceFacility | Product name | Example: "Apex One" | 
Log sample:
CEF:0|Trend Micro|Apex Central|2019|AV:File renamed|JS_EXP LOIT.SMDN|3|deviceExternalId=104 rt=Feb 18 2016 14:34:00 GMT +00:00 cnt=1 dhost=ApexOneClient01 duser=Admin004 act=File r enamed cn1Label=VLF_PatternNumber cn1=920500 cn2Label=VLF_Se condAction cn2=3 cs1Label=VLF_FunctionCode cs1=Manual Scan c s2Label=VLF_EngineVersion cs2=9.500.1005 cs3Label=CLF_Produc tVersion cs3=10.6 cs4Label=CLF_ReasonCode cs4=virus log cs5L abel=VLF_FirstActionResult cs5=File renamed cs6Label=VLF_Sec ondActionResult cs6=N/A cat=1703 dvchost=ApexOneServer01 cn3 Label=CLF_ServerityCode cn3=2 fname=0348C693056617D34FC5B5BA B4643885FEE5FEDF;0xD5D56AC2 filePath=C:\\Users\\Administrato r\\Desktop\\trend_test_virus\\Trojans\\ msg=BMAC Schedule of Events.xls shost=ABC-OSCE-WKS12 suser=ABC-OSCE-WKS12 dst=10 .201.129.24 deviceFacility=Apex One
 
		