API - Password Cracking
Id | d951d64d-0ecd-4675-8c79-6c870d5f72ac |
Rulename | API - Password Cracking |
Description | 42Crunch API protection against password cracking |
Severity | High |
Tactics | CredentialAccess |
Techniques | T1110 T1555 T1187 |
Required data connectors | 42CrunchAPIProtection |
Kind | Scheduled |
Query frequency | 5m |
Query period | 5m |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/42Crunch API Protection/Analytic Rules/APIPasswordCracking.yaml |
Version | 1.0.0 |
Arm template | d951d64d-0ecd-4675-8c79-6c870d5f72ac.json |
let loginRec = apifirewall_log_1_CL
| where TimeGenerated >= ago(5m)
| project-away Non_blocking_mode_b, Source_Port_d, Destination_Port_d, Query_s, API_ID_g, Request_Header_s, Response_Header_s, Errors_s, Type, UUID_g
| where Instance_Name_s == "Instance_2" and URI_Path_s has "/api/login?user=" and Status_d == 403;
let recCount = iff((toscalar(loginRec | count) > 10), 1, 0);
loginRec | take recCount
queryFrequency: 5m
entityMappings:
- entityType: IP
fieldMappings:
- columnName: Source_IP_s
identifier: Address
- entityType: Host
fieldMappings:
- columnName: Hostname_s
identifier: HostName
- entityType: Account
fieldMappings:
- columnName: Instance_Name_s
identifier: FullName
severity: High
triggerThreshold: 0
relevantTechniques:
- T1110
- T1555
- T1187
query: |
let loginRec = apifirewall_log_1_CL
| where TimeGenerated >= ago(5m)
| project-away Non_blocking_mode_b, Source_Port_d, Destination_Port_d, Query_s, API_ID_g, Request_Header_s, Response_Header_s, Errors_s, Type, UUID_g
| where Instance_Name_s == "Instance_2" and URI_Path_s has "/api/login?user=" and Status_d == 403;
let recCount = iff((toscalar(loginRec | count) > 10), 1, 0);
loginRec | take recCount
eventGroupingSettings:
aggregationKind: SingleAlert
id: d951d64d-0ecd-4675-8c79-6c870d5f72ac
triggerOperator: gt
version: 1.0.0
requiredDataConnectors:
- connectorId: 42CrunchAPIProtection
dataTypes:
- apifirewall_log_1_CL
customDetails:
description: |
'42Crunch API protection against password cracking'
queryPeriod: 5m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/42Crunch API Protection/Analytic Rules/APIPasswordCracking.yaml
status: Available
name: API - Password Cracking
tactics:
- CredentialAccess
kind: Scheduled
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/d951d64d-0ecd-4675-8c79-6c870d5f72ac')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d951d64d-0ecd-4675-8c79-6c870d5f72ac')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "API - Password Cracking",
"description": "'42Crunch API protection against password cracking'\n",
"severity": "High",
"enabled": true,
"query": "let loginRec = apifirewall_log_1_CL\n| where TimeGenerated >= ago(5m) \n| project-away Non_blocking_mode_b, Source_Port_d, Destination_Port_d, Query_s, API_ID_g, Request_Header_s, Response_Header_s, Errors_s, Type, UUID_g\n| where Instance_Name_s == \"Instance_2\" and URI_Path_s has \"/api/login?user=\" and Status_d == 403;\nlet recCount = iff((toscalar(loginRec | count) > 10), 1, 0);\nloginRec | take recCount\n",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess"
],
"techniques": [
"T1110",
"T1555",
"T1187"
],
"alertRuleTemplateName": "d951d64d-0ecd-4675-8c79-6c870d5f72ac",
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"customDetails": null,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"identifier": "Address",
"columnName": "Source_IP_s"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"identifier": "HostName",
"columnName": "Hostname_s"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "Instance_Name_s"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/42Crunch API Protection/Analytic Rules/APIPasswordCracking.yaml",
"status": "Available",
"templateVersion": "1.0.0"
}
}
]
}