Detection rules › Kusto
Palo Alto Prisma Cloud - Multiple failed logins for user
'Detects multiple failed logins for the same user account.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access |
Rule body
id: 4f688252-bf9b-4136-87bf-d540b5be1050
name: Palo Alto Prisma Cloud - Multiple failed logins for user
description: |
'Detects multiple failed logins for the same user account.'
severity: Medium
status: Available
requiredDataConnectors:
- connectorId: PaloAltoPrismaCloud
dataTypes:
- PaloAltoPrismaCloud
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- CredentialAccess
relevantTechniques:
- T1110
query: |
let threshold = 10;
PaloAltoPrismaCloud
| where ResourceType =~ 'Login'
| where EventResult =~ 'Failed'
| where EventMessage !has 'access key'
| summarize count() by UserName, bin(TimeGenerated, 5m)
| where count_ > threshold
| extend AccountCustomEntity = UserName
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
version: 1.0.1
kind: Scheduled
Stages and Predicates
Parameters
let threshold = 10;
Stage 1: source
PaloAltoPrismaCloud
Stage 2: where
| where ResourceType =~ 'Login'
Stage 3: where
| where EventResult =~ 'Failed'
Stage 4: where
| where EventMessage !has 'access key'
Stage 5: summarize
| summarize count() by UserName, bin(TimeGenerated, 5m)
Stage 6: where
| where count_ > threshold
Stage 7: extend
| extend AccountCustomEntity = UserName
Exclusions
The rule actively suppresses these predicates.
| Field | Kind | Excluded values | Search |
|---|---|---|---|
EventMessage | match | access key | excludes:EventMessage field:"EventMessage" value:"access key" |
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
EventResult | eq |
| field:"EventResult" kind:eq value:"Failed" |
ResourceType | eq |
| field:"ResourceType" kind:eq value:"Login" |
count_ | gt |
| field:"count_" kind:gt value:"10" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
UserName | summarize |
AccountCustomEntity | extend |