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) |
CnC:Action |
CnC:Block |
Header (eventName) |
Name |
CnC Callback |
Header (severity) |
Severity |
3 |
deviceExternalId |
ID |
Example: "12" |
cat |
Log type |
Example: "1756" |
deviceFacility |
Product |
Example: "Apex One" |
cs2Label |
Corresponding label for the "cs2" field |
Example: "El_ProductVersion" |
cs2 |
Product version |
Example: "11.0" |
rt |
Log generation time in UTC |
Example: "Oct 11 2017 06:34:09 GMT+00:00" |
shost |
Endpoint host name |
Example: "ApexOneClient01" |
src |
Endpoint IPv4 address |
Example: "10.201.86.187" |
c6a2Label |
Corresponding label for the "c6a2" field |
Example: "SLF_ClientIP" |
c6a2 |
Endpoint IPv6 address |
Example: "2620:101:4003:7a0:fd4b:52ed:53bd:ae3d" |
cs3Label |
Corresponding label for the "cs3" field |
Example: "SLF_DomainName" |
cs3 |
Domain name |
Example: "DOMAIN1" |
cs4Label |
Corresponding label for the "cs4" field |
Example: "SLF_PolicyName" |
cs4 |
Policy name |
Example: "C&C Server URL in Web Reputation Services database - HTTP (Request)" |
act |
Action |
Example: "Block"
|
cn1Label |
Corresponding label for the "cn1" field |
Example: "SLF_CCCA_RiskLevel" |
cn1 |
C&C risk level |
Example: "1"
|
cn2Label |
Corresponding label for the "cn2" field |
Example: "SLF_CCCA_DetectionSource" |
cn2 |
C&C list source |
Example: "1"
|
cn3Label |
Corresponding label for the "cn3" field |
Example: "SLF_CCCA_DetectionFormat" |
cn3 |
Callback address format |
Example: "1"
|
request |
URL |
Example: "http://CC13.jojo.com" |
deviceCustomDate1Label |
Corresponding label for the "deviceCustomDate1" field |
Example: "SLF_FirstSeen" |
deviceCustomDate1 |
The UTC time when the callback attempt was first monitored |
Example: "Oct 10 2017 16:58:03 GMT+00:00" |
deviceCustomDate2Label |
Corresponding label for the "deviceCustomDate2" field |
Example: "SLF_LastSeen" |
deviceCustomDate2 |
The UTC time when the callback attempt was last monitored |
Example: "Oct 11 2017 10:58:03 GMT+00:00" |
cs5Label |
Corresponding label for the "cs5" field |
Example: "CnCDestination" |
cs5 |
Callback URL address |
Example: "http://CC13.jojo.com" |
dst |
Callback IPv4 address |
Example: "10.201.86.195" |
c6a3Label |
Corresponding label for the "c6a3" field |
Example: "CnCDestination" |
c6a3 |
Callback IPv6 address |
Example: "fe80::38ca:cd15:443c:40bb%11" |
deviceProcessName |
Process name |
Example: "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe" |
Log sample:
CEF:0|Trend Micro|Apex Central|2019|CnC:Block|CnC Callback |3|deviceExternalId=12 rt=Oct 11 2017 06:34:09 GMT+00:00 cat =1756 deviceFacility=Apex One cs2Label=EI_ProductVersion cs2 =11.0 shost=ApexOneClient01 src=10.201.86.187 cs3Label=SLF_D omainName cs3=DOMAIN act=Block cn1Label=SLF_CCCA_RiskLevel c n1=1 cn2Label=SLF_CCCA_DetectionSource cn2=1 cn3Label=SLF_CC CA_DestinationFormat cn3=1 dst=10.201.86.195 deviceProcessNa me=C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe