ESET PROTECT On-Prem

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ESET PROTECT On-Prem – Table of Contents

# Events exported to CEF format

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To filter the event logs sent to Syslog, create a log category notification with a defined filter.

CEF is a text-based log format developed by ArcSight™. The CEF format includes a CEF header and a CEF extension. The extension contains a list of key-value pairs.

## CEF header

Header | Example | Description
--- | --- | ---
Device Vendor | ESET |
Device Product | Protect |
Device Version | 10.0.5.1 | ESET PROTECT On-Prem version
Device Event Class ID (Signature ID): | 109 | Device Event Category unique identifier: •100–199 Threat event •200–299 Firewall event •300–399 HIPS event •400–499 Audit event •500–599 ESET Inspect event •600–699 Blocked files event •700–799 Filtered websites event •800–899 Incident event
Event Name | Detected port scanning attack | A brief description of what happened in the event
Severity | 5 | Severity: •2—Information •3—Notice •5—Warning •7—Error •8—Critical •10—Fatal

## CEF extensions common for all categories

Extension name | Example | Description
--- | --- | ---
cat | ESET Threat Event | Event category: •ESET Threat Event •ESET Firewall Event •ESET HIPS Event •ESET RA Audit Event •ESET Inspect Event •ESET Blocked File Event •ESET Filtered Website Event
dvc | 10.0.12.59 | IPv4 address of the computer generating the event
c6a1 | 2001:0db8:85a3:0000:0000:8a2e:0370:7334 | IPv6 address of the computer generating the event
c6a1Label | Device IPv6 Address |
dvchost | COMPUTER02 | The hostname of the computer with the event
deviceExternalId | 39e0feee-45e2-476a-b17f-169b592c3645 | UUID of the computer generating the event
rt | Jun 04 2017 14:10:0 | UTC time of occurrence of the event. The format is %b %d %Y %H:%M:%S
ESETProtectDeviceGroupName | All/Lost & found | The full path to the static group of the computer generating the event. If the path is longer than 255 characters, ESETProtectDeviceGroupName contains only the static group name.
ESETProtectDeviceOsName | Microsoft Windows 11 Pro | Information about the computer´s operating system.
ESETProtectDeviceGroupDescription | Lost & found static group | Static group description.

## CEF extensions by event category

### Threat events

Extension name | Example | Description
--- | --- | ---
cs1 | W97M/Kojer.A | Found threat name
cs1Label | Threat Name |
cs2 | 25898 (20220909) | Detection Engine version
cs2Label | Engine Version |
cs3 | Virus | Detection type
cs3Label | Threat Type |
cs4 | Real-time file system protection | Scanner ID
cs4Label | Scanner ID |
cs5 | virlog.dat | Scan ID
cs5Label | Scan ID |
cs6 | Failed to remove file | Error message if the action was not successful
cs6Label | Action Error |
cs7 | Event occurred on a newly created file | Short description of what caused the event
cs7Label | Circumstances |
cs8 | 0000000000000000000000000000000000000000 | SHA1 hash of the (detection) data stream
cs8Label | Hash |
act | Cleaned by deleting file | Action was taken by the endpoint
filePath | file:///C:/Users/Administrator/Downloads/doc/000001_5dc5c46b.DOC | Object URI
fileType | File | Object type related to the event
cn1 | 1 | Detection was handled (1) or was not handled (0)
cn1Label | Handled |
cn2 | 0 | Restart is needed (1) or is not needed (0)
cn2Label | Restart Needed |
suser | 172-MG\\Administrator | Name of the user account associated with the event
sprod | C:\\7-Zip\\7z.exe | The name of the event source process
deviceCustomDate1 | Jun 04 2019 14:10:00 |
deviceCustomDate1Label | FirstSeen | The time and date when the detection was found for the first time on the machine. The format is %b %d %Y %H:%M:%S

Threat event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|183|File scanner cleaned a virus|5|deviceExternalId=e9d26759-fd21-47f1-9751-d2e7194c41a8 ESETProtectDeviceGroupName=All/Lost & found ESETProtectDeviceOsName=Microsoft Windows 11 Pro ESETProtectDeviceGroupDescription=Lost & found static group cat=ESET Threat Event rt=Jun 04 2017 14:10:00 cs1=W97M/Kojer.A cs1Label=Threat Name cs2=25898 (20220909) cs2Label=Engine Version cs3=Virus cs3Label=Threat Type cs4=Real-time file system protection cs4Label=Scanner ID cs5=virlog.dat cs5Label=Scan ID act=Cleaned by deleting fileType=File filePath=file:///C:/Users/Administrator/Downloads/doc/000001_5dc5c46b.DOC cn1=1 cn1Label=Handled suser=172-MG\\Administrator sprod=C:\\7-Zip\\7z.exe cs7=Event occurred on a newly created file. cs7Label=Circumstances eviceCustomDate1=Jun 04 2019 14:10:00 deviceCustomDate1Label=FirstSeen cs8=0000000000000000000000000000000000000000 cs8Label=Hash

### Firewall events

Extension name | Example | Description
--- | --- | ---
msg | TCP Port Scanning attack | Event name
src | 127.0.0.1 | Event source IPv4 address
c6a2 | 2001:0db8:85a3:0000:0000:8a2e:0370:7334 | Event source IPv6 address
c6a2Label | Source IPv6 Address |
spt | 36324 | Port of the event source
dst | 127.0.0.2 | Event destination IPv4 address
c6a3 | 2001:0db8:85a3:0000:0000:8a2e:0370:7335 | Event destination IPv6 address
c6a3Label | Destination IPv6 Address |
dpt | 24 | Event destination port
proto | http | Protocol
act | Blocked | Action taken
cn1 | 1 | Detection was handled (1) or was not handled (0)
cn1Label | Handled |
suser | 172-MG\\Administrator | Name of the user account associated with the event
deviceProcessName | someApp.exe | Name of the process associated with the event
deviceDirection | 1 | The connection was inbound (0) or outbound (1)
cnt | 3 | The number of the same messages generated by the endpoint between two consecutive replications between ESET PROTECT On-Prem and ESET Management Agent
cs1 |  | Rule ID
cs1Label | Rule ID |
cs2 | custom_rule_12 | Rule name
cs2Label | Rule Name |
cs3 | Win32/Botnet.generic | Threat name
cs3Label | Threat Name |

Firewall event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|109|Detected port scanning attack|5|deviceExternalId=39e0feee-45e2-476a-b07f-169b592c3645 ESETProtectDeviceGroupName=All/Lost & found ESETProtectDeviceOsName=Microsoft Windows 11 Pro ESETProtectDeviceGroupDescription=Lost & found static group cat=ESET Firewall Event rt=Jun 04 2017 14:10:00 msg=TCP Port Scanning attack src=127.0.0.1 spt=36324 dpt=21 dst=127.0.0.2 proto=http act=Blocked cnt=1 cn1=1 cn1Label=Handled suser=myAccount deviceProcessName=someApp.exe cs2=rule_118882389 cs2Label=Rule Name deviceDirection=0 cs3=Win32/Botnet.generic cs3Label=Threat Name

### HIPS events

Extension name | Example | Description
--- | --- | ---
cs1 | Suspicious attempt to launch an application | Rule ID
cs1Label | Rule ID |
cs2 | custom_rule_12 | Rule name
cs2Label | Rule Name |
cs3 | C:\\someapp.exe | Application name
cs3Label | Application |
cs4 | Attempt to run a suspicious object | Operation
cs4Label | Operation |
cs5 | C:\\somevirus.exe | Target
cs5Label | Target |
act | Blocked | Action taken
cs2 | custom_rule_12 | Rule name
cn1 | 1 | Detection was handled (1) or was not handled (0)
cn1Label | Handled |
cnt | 3 | The number of the same messages generated by the endpoint between two consecutive replications between ESET PROTECT On-Prem and ESET Management Agent

HIPS event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|303|Attempt to run a suspicious object Blocked|5|dvchost=test_bcmcjkbpgp deviceExternalId=82e114a8-9070-4868-8ee2-1e87b7b85ee3 ESETProtectDeviceGroupName=All/Lost & found ESETProtectDeviceOsName=Microsoft Windows 11 Pro ESETProtectDeviceGroupDescription=Lost & found static group cat=ESET HIPS Event rt=Jun 04 2019 14:10:00 cs3=C:\\someapp.exe cs3Label=Application cs4=Attempt to run a suspicious object cs4Label=Operation cs5=C:\\somevirus.exe cs5Label=Target act=Blocked cn1=1 cn1Label=Handled cs1=Suspicious attempt to launch an application cs1Label=Rule ID cnt=1

### Audit events

Extension name | Example | Description
--- | --- | ---
act | Login attempt | Action taking place
suser | Administrator | Security user involved
duser | Administrator | Targeted security user (for example, for login attempts)
msg | Authenticating native user 'Administrator' | A detailed description of the action
cs1 | Native user | Audit log domain
cs1Label | Audit Domain |
cs2 | Success | Action result
cs2Label | Result |

Audit event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|449|Native user login|2|dvc=10.15.172.133 dvchost=BRNH00006D deviceExternalId=db4a82c0-e1c6-49be-8bac-a436136ed1f4 cat=ESET RA Audit Event rt=Sep 21 2022 13:10:23 cs1=Native user cs1Label=Audit Domain act=Login attempt duser=Administrator msg=Authenticating native user 'Administrator'. cs2=Success cs2Label=Result

### ESET Inspect events

Extension name | Example | Description
--- | --- | ---
deviceProcessName | c:\\imagepath_bin.exe | Name of the process causing this alarm
suser | HP\\home | Process owner
cs2 | custom_rule_12 | Name of the rule triggering this alarm
cs2Label | Rule Name |
cs3 | 78C136C80FF3F46C2C98F5C6B3B5BB581F8903A9 | Alarm SHA1 hash
cs3Label | Hash |
cs4 | https://inspect.eset.com:443/console/alarm/126 | Link to the alarm in the ESET Inspect On-Prem Web Console
cs4Label | EI Console Link |
cs5 | 126 | ID sub-part of the alarm link ($1 in ^http.*/alarm/([0-9]+)$)
cs5Label | EI Alarm ID |
cn1 | 275 | Computer severity score
cn1Label | ComputerSeverityScore |
cn2 | 60 | Rule severity score
cn2Label | SeverityScore |
cnt | 3 | The number of alerts of the same type generated since the last alarm

ESET Inspect event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|500|ESET Inspect Alert|5|dvchost=test_lrghlbjyoa deviceExternalId=432a30af-6ac7-4b61-ae5c-5141bfc5d878 ESETProtectDeviceGroupName=All/Lost & found ESETProtectDeviceOsName=Microsoft Windows 11 Pro ESETProtectDeviceGroupDescription=Lost & found static group cat=ESET Inspect Alert rt=Sep 21 2022 07:31:55 deviceProcessName=c:\\mother_process_info_imagepath_dir\\mother_process_info_imagepath_bin.exe suser=HP\\home cs2=9_1_0addd4e8baf8e87d4bc4ed77fadc cs2Label=Rule Name cs3=78C136C80FF3F46C2C98F5C6B3B5BB581F8903A9 cs3Label=Hash cs4=https://dev-inspect.eset.com:443/console/alarm/126 cs4Label=EI Console Link cs5=126 cs5Label=EI Alarm ID cn1=275 cn1Label=ComputerSeverityScore cn2=60 cn2Label=SeverityScore

### Blocked files events

Extension name | Example | Description
--- | --- | ---
act | Execution blocked | Action taken
cn1 | 1 | Detection was handled (1) or was not handled (0)
cn1Label | Handled |
suser | HP\\home | Name of the user account associated with the event
deviceProcessName | C:\\Windows\\explorer.exe | Name of the process associated with the event
cs1 | 78C136C80FF3F46C2C98F5C6B3B5BB581F8903A9 | SHA1 hash of the blocked file
cs1Label | Hash |
filePath | C:\\totalcmd\\TOTALCMD.EXE | Object URI
msg | ESET Inspect | Blocked file description
deviceCustomDate1 | Jun 04 2019 14:10:00 |
deviceCustomDate1Label | FirstSeen | The time and date when the detection was found for the first time on the machine. The format is %b %d %Y %H:%M:%S
cs2 | Blocked by Administrator | Cause
cs2Label | Cause |

Blocked files event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|600|Blocked File Event|5|dvchost=test_lrghlbjyoa deviceExternalId=432a30af-6ac7-4b61-ae5c-5141bfc5d878 ESETProtectDeviceGroupName=All/Lost & found ESETProtectDeviceOsName=Microsoft Windows 11 Pro ESETProtectDeviceGroupDescription=Lost & found static group cat=ESET Blocked File Event rt=Sep 21 2022 07:31:55 act=Execution blocked cn1=1 cn1Label=Handled suser=HP\\home deviceProcessName=C:\\Windows\\explorer.exe cs1=78C136C80FF3F46C2C98F5C6B3B5BB581F8903A9 cs1Label=Hash filePath=C:\\totalcmd\\TOTALCMD.EXE deviceCustomDate1=Sep 21 2022 07:31:55 deviceCustomDate1Label=FirstSeen cs2=Blocked by Administrator cs2Label=Cause msg=ESET Inspect

### Filtered website events

Extension name | Example | Description
--- | --- | ---
msg | An attempt to connect to URL | Event type
act | Blocked | Action taken
cn1 | 1 | Detection was handled (1) or was not handled (0)
cn1Label | Handled |
user | Peter | Name of the user account associated with the event
deviceProcessName | Firefox | Name of the process associated with the event
cs1 | Blocked by PUA blacklist | Rule ID
cs1Label | Rule ID |
requestUrl | https://kenmmal.com/ | URL of blocked request
dst | 172.17.9.224 | Event destination IPv4 address
c6a3 | 2001:0db8:85a3:0000:0000:8a2e:0370:7335 | Event destination IPv6 address
c6a3Label | Destination IPv6 Address |
cs2 | HTTP filter | Scanner ID
cs2Label | Scanner ID |
cs3 | 8EECCDD290BE2E99183290FDBE4172EBE3DC7EC5 | SHA1 hash of the filtered object
cs3Label | Hash |

Filtered website event CEF log example:

CEF:O|ESET|Protect|10.0.0.0|716|Filtered Website Event|5|dvchost=test_lrghlbjyoa deviceExternalId=432a30af-6ac7-4b61-ae5c-5141bfc5d878 ESETProtectDeviceGroupName=All/Lost & found ESETProtectDeviceOsName=Microsoft Windows 11 Pro ESETProtectDeviceGroupDescription=Lost & found static group cat=ESET Filtered Website Event rt=Sep 21 2022 07:31:55 msg=An attempt to connect to URL dst=172.17.9.224 cs2=HTTP filter cs2Label=Scanner ID act=Blocked cn1=1 cn1Label=Handled requestUrl=https://kenmmal.com cs3=8EECCDD290BE2E99183290FDBE4172EBE3DC7EC5 cs3Label=Hash suser=Peter deviceProcessName=Firefox cs1=Blocked by PUA blacklist cs1Label=Rule ID

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