Event ID 2099 — A rule has been modified in the Windows Defender Firewall exception list.
Description
A rule has been modified in the Windows Defender Firewall exception list.
Message #
Fields #
| Name | Description |
|---|---|
RuleId UnicodeString | — |
RuleName UnicodeString | — |
Origin UInt32 | — |
ApplicationPath UnicodeString | — |
ServiceName UnicodeString | — |
Direction UInt32 | — Known values
|
Protocol UInt16 | — Known values
|
LocalPorts UnicodeString | — |
RemotePorts UnicodeString | — |
Action UInt32 | — |
Profiles UInt32 | — Bitmask flags
|
LocalAddresses UnicodeString | — |
RemoteAddresses UnicodeString | — |
RemoteMachineAuthorizationList UnicodeString | — |
RemoteUserAuthorizationList UnicodeString | — |
EmbeddedContext UnicodeString | — |
Flags UInt16 | — |
Active UInt16 | — |
EdgeTraversal UInt16 | — |
LooseSourceMapped UInt16 | — |
SecurityOptions UInt16 | — |
ModifyingUser SID | — |
ModifyingApplication UnicodeString | — |
SchemaVersion UInt16 | — |
RuleStatus UInt32 | — |
LocalOnlyMapped UInt16 | — |
PolicyAppId UnicodeString | — |
ErrorCode UInt32 | — |
Example Event #
{
"system": {
"provider": "Microsoft-Windows-Windows Firewall With Advanced Security",
"guid": "D1BC9AFF-2ABF-4D71-9146-ECB2A986EB85",
"event_source_name": "",
"event_id": 2099,
"version": 0,
"level": 4,
"task": 0,
"opcode": 0,
"keywords": 9223374235878031360,
"time_created": "2023-11-06T01:00:42.526564+00:00",
"event_record_id": 1285,
"correlation": {},
"execution": {
"process_id": 2896,
"thread_id": 18012
},
"channel": "Microsoft-Windows-Windows Firewall With Advanced Security/Firewall",
"computer": "WinDev2310Eval",
"security": {
"user_id": "S-1-5-19"
}
},
"event_data": {
"RuleId": "{C4847D55-2E11-4510-9513-51B82576049A}",
"RuleName": "Teamviewer Remote Control Service",
"Origin": 0,
"ApplicationPath": "C:\\Program Files\\TeamViewer\\TeamViewer_Service.exe",
"ServiceName": "",
"Direction": 1,
"Protocol": 17,
"LocalPorts": "*",
"RemotePorts": "*",
"Action": 3,
"Profiles": 4,
"LocalAddresses": "*",
"RemoteAddresses": "*",
"RemoteMachineAuthorizationList": "",
"RemoteUserAuthorizationList": "",
"EmbeddedContext": "",
"Flags": 1,
"Active": 1,
"EdgeTraversal": 0,
"LooseSourceMapped": 0,
"SecurityOptions": 0,
"ModifyingUser": "S-1-5-21-1992711665-1655669231-58201500-1000",
"ModifyingApplication": "C:\\Users\\User\\AppData\\Local\\Temp\\cdd35c3a-7c34-11ee-936c-000c293379ba\\TeamViewer_.exe",
"SchemaVersion": 543,
"RuleStatus": 65536,
"LocalOnlyMapped": 0,
"PolicyAppId": "",
"ErrorCode": 2
},
"message": ""
}
References #
- Example event sourced from https://github.com/NextronSystems/evtx-baseline