Microsoft-Windows-NetworkSecurity

8 events across 1 channel

Event	Title	Channel	Sample
801	SA Context SaContextID was created.	Debug	N
802	SA Context SaContextID: Result=Result.	Debug	N
803	SA Context 5nProtocol:\nLocal Address: SaContextID:LocalMask\nRemote Address: …	Debug	N
804	SA Context SaContextID was deleted.	Debug	N
805	SA Context SaContextID: SPI=SPI.	Debug	N
806	----- BEGIN BFE_SA_CONTEXT processing -----	Debug	N
807	----- END BFE_SA_CONTEXT processing -----	Debug	N
808	----- BFE SA CONTEXT ID: (SaContextID) -----.	Debug	N

Event ID 801: SA Context SaContextID was created.

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Opcode: Info

Description

SA Context SaContextID was created.

Message #

SA Context %1 was created

Fields #

Name	Description
`SaContextID` UInt64
`Reason` UInt32

Event ID 802: SA Context SaContextID: Result=Result.

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Opcode: Info

Description

SA Context SaContextID: Result=Result.

Message #

SA Context %1: Result=%2

Fields #

Name	Description
`SaContextID` UInt64
`Result` UInt32

Event ID 803: SA Context 5nProtocol:\nLocal Address: SaContextID:LocalMask\nRemote Address: LocalAddr:LocalPort\nProtocol: RemoteAddress.

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Opcode: Info

Description

SA Context 5nProtocol:\nLocal Address: SaContextID:LocalMask\nRemote Address: LocalAddr:LocalPort\nProtocol: RemoteAddress.

Message #

SA Context %1:\nLocal Address: %2:%4\nRemote Address: %3:%5\nProtocol: %6

Fields #

Name	Description
`SaContextID` UInt64
`LocalAddr` UnicodeString
`LocalMask` UnicodeString
`LocalPort` UInt16
`RemoteAddress` UnicodeString
`RemoteMask` UnicodeString
`RemotePort` UInt16
`IPProtocol` UInt8
`LocalTunnelEndpt` UnicodeString
`RemoteTunnelEndpt` UnicodeString

Event ID 804: SA Context SaContextID was deleted.

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Opcode: Info

Description

SA Context SaContextID was deleted.

Message #

SA Context %1 was deleted

Fields #

Name	Description
`SaContextID` UInt64

Event ID 805: SA Context SaContextID: SPI=SPI.

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Opcode: Info

Description

SA Context SaContextID: SPI=SPI.

Message #

SA Context %1: SPI=%2

Fields #

Name	Description
`SaContextID` UInt64
`SPI` UInt32

Event ID 806: ----- BEGIN BFE_SA_CONTEXT processing -----

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Task: SaContextOperation
Opcode: Start

Description

----- BEGIN BFE_SA_CONTEXT processing -----.

Message #

----- BEGIN BFE_SA_CONTEXT processing -----

Event ID 807: ----- END BFE_SA_CONTEXT processing -----

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Task: SaContextOperation
Opcode: Stop

Description

----- END BFE_SA_CONTEXT processing -----.

Message #

----- END BFE_SA_CONTEXT processing -----

Event ID 808: ----- BFE SA CONTEXT ID: (SaContextID) -----.

Provider: Microsoft-Windows-NetworkSecurity
Channel: Debug
Task: SaContextOperation

Description

----- BFE SA CONTEXT ID: (SaContextID) -----.

Message #

----- BFE SA CONTEXT ID: (%1) -----

Fields #

Name	Description
`SaContextID` UInt64

Provenance

Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.

ETW provider GUID 7b702970-90bc-4584-8b20-c0799086ee5a

Defined in fwpuclnt.dll, which carries the event manifest.

Observed on:

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.3328, captured 2026-06-02
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.3915, captured 2026-06-02

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`type:`	`events` / `rules` / `providers`
`vendor:`	`sigma` / `elastic` / `splunk` / `kusto` / `chronicle` (vendor name alone also works: `sigma:`, `kql:`, `secops:`…)
`tactic:`	TA-id, slug, or name: `credential_access`, `TA0006`
`technique:`	technique or sub-technique ID: `T1003`, `T1003.001` (alias `tech:`)
`severity:`	`critical` / `high` / `medium` / `low` / `informational` (alias `sev:`)
`risk_score`	Numeric comparison on the Elastic risk score (0 to 100): `risk_score>50`, `risk_score<=20`, `risk_score=99` (alias `risk`; Elastic rules only)
`stages:`	Rules with exactly N pipeline stages
`correlation:`	`single_event` / `sequence` / `alternatives` / `alternatives_cross_log` / `all_required` / `correlated`
`with:`	Co-occurrence event-id; stacks (`with:4624 with:4769`) to require all, while a comma list in one occurrence (`with:4624,4769`) is an either-or group. Implies multi-event
`like:`	Structural neighbors of a rule slug (equivalents + subsumption stricter / broader): `like:comsvcs_lsass_memory_dump-splunk-sysmon`
`groupby:`	Entity-grouping substring match against `group_by_keys`: `groupby:user`, `groupby:host`
`uses:`	Rules whose predicate tree touches the field (any kind, any value): `uses:CommandLine`
`excludes:`	Rules with top-level `not()` clauses on the field (FP whitelists): `excludes:ParentImage`
`field:` / `value:`	Predicate search; narrows rule cards to those with a matching leaf and drives the indicator tier. Unquoted = substring, wildcards allowed (`value:mimikatz`)
`indicator:`	Shorthand for `field:F value:V`: `indicator:Image=*\powershell.exe`
`kind:`	Filter by predicate kind. Narrows rule cards to those carrying a matching predicate leaf (`vendor:elastic kind:cidr_match`) and drives the indicator tier: `contains` / `starts_with` / `ends_with` / `regex` / `cidr` / `eq` / `in` … (operator aliases `op:`/`match:`)
`has:` / `no:`	`sample`, `field`, `notes`, `refs`, `trace`, `thirdparty`, `rule`, `pattern`, `timewindow`, `threshold`, `newterms`, `sigma`/`elastic`/`splunk`/`kusto`/`chronicle`
`-op:val`	Exclude matches; works on most operators but not `type:`/`like:`/`has:`/`no:` (use `no:<flag>` to exclude a rule flag): `tactic:execution -vendor:splunk`. Standalone `-kind:`/`-field:`/`-value:` drop every rule carrying a matching predicate leaf (`type:rules -kind:is_null`)
`field:"…"` / `value:"…"`	Quoted value = anchored exact match (also allows spaces): `value:"net user"`
`a,b`	Comma = OR inside one operator (`vendor:sigma,elastic`, `severity:high,critical`); repeating a facet merges the same way. `field:`/`value:` never split (literal commas)
`vendors:` / `stage:`	Singular and plural spellings fold to the canonical operator and value: `tactics:` = `tactic:`, `type:event` = `type:events`, `correlation:sequences` = `correlation:sequence`, `has:thresholds` = `has:threshold`
`"quoted phrase"`	Exact-match a multi-word phrase (free text)

Microsoft-Windows-NetworkSecurity

Event ID 801: SA Context SaContextID was created.

Description

Message #

Fields #

Event ID 802: SA Context SaContextID: Result=Result.

Description

Message #

Fields #

Event ID 803: SA Context 5nProtocol:\nLocal Address: SaContextID:LocalMask\nRemote Address: LocalAddr:LocalPort\nProtocol: RemoteAddress.

Description

Message #

Fields #

Event ID 804: SA Context SaContextID was deleted.

Description

Message #

Fields #

Event ID 805: SA Context SaContextID: SPI=SPI.

Description

Message #

Fields #

Event ID 806: ----- BEGIN BFE_SA_CONTEXT processing -----

Description

Message #

Event ID 807: ----- END BFE_SA_CONTEXT processing -----

Description

Message #

Event ID 808: ----- BFE SA CONTEXT ID: (SaContextID) -----.

Description

Message #

Fields #

Provenance

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