Oracle - Multiple user agents for single source
Id | 44c7d12a-573f-11ec-bf63-0242ac130002 |
Rulename | Oracle - Multiple user agents for single source |
Description | Detects requests with different user agents from one source in short timeframe. |
Severity | Medium |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | OracleWebLogicServer |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicDifferentUAsFromSingleIP.yaml |
Version | 1.0.1 |
Arm template | 44c7d12a-573f-11ec-bf63-0242ac130002.json |
let threshold = 5;
OracleWebLogicServerEvent
| where isnotempty(HttpUserAgentOriginal)
| summarize ua_count=makeset(HttpUserAgentOriginal) by SrcIpAddr, bin(TimeGenerated, 5m)
| where array_length(ua_count) > threshold
| extend IPCustomEntity = SrcIpAddr
triggerOperator: gt
version: 1.0.1
query: |
let threshold = 5;
OracleWebLogicServerEvent
| where isnotempty(HttpUserAgentOriginal)
| summarize ua_count=makeset(HttpUserAgentOriginal) by SrcIpAddr, bin(TimeGenerated, 5m)
| where array_length(ua_count) > threshold
| extend IPCustomEntity = SrcIpAddr
status: Available
entityMappings:
- entityType: IP
fieldMappings:
- columnName: IPCustomEntity
identifier: Address
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicDifferentUAsFromSingleIP.yaml
queryFrequency: 1h
requiredDataConnectors:
- connectorId: OracleWebLogicServer
dataTypes:
- OracleWebLogicServerEvent
name: Oracle - Multiple user agents for single source
queryPeriod: 1h
severity: Medium
kind: Scheduled
tactics:
- InitialAccess
id: 44c7d12a-573f-11ec-bf63-0242ac130002
description: |
'Detects requests with different user agents from one source in short timeframe.'
relevantTechniques:
- T1190
- T1133
triggerThreshold: 0
{
"$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/44c7d12a-573f-11ec-bf63-0242ac130002')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/44c7d12a-573f-11ec-bf63-0242ac130002')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Oracle - Multiple user agents for single source",
"description": "'Detects requests with different user agents from one source in short timeframe.'\n",
"severity": "Medium",
"enabled": true,
"query": "let threshold = 5;\nOracleWebLogicServerEvent\n| where isnotempty(HttpUserAgentOriginal)\n| summarize ua_count=makeset(HttpUserAgentOriginal) by SrcIpAddr, bin(TimeGenerated, 5m)\n| where array_length(ua_count) > threshold\n| extend IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1190",
"T1133"
],
"alertRuleTemplateName": "44c7d12a-573f-11ec-bf63-0242ac130002",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
],
"entityType": "IP"
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicDifferentUAsFromSingleIP.yaml",
"status": "Available",
"templateVersion": "1.0.1"
}
}
]
}