Failed AWS Console logons but success logon to AzureAD
Id | 910124df-913c-47e3-a7cd-29e1643fa55e |
Rulename | Failed AWS Console logons but success logon to AzureAD |
Description | Identifies a list of IP addresses with a minimum numbe(default of 5) of failed logon attempts to AWS Console. Uses that list to identify any successful Azure Active Directory logons from these IPs within the same timeframe. |
Severity | Medium |
Tactics | InitialAccess CredentialAccess |
Techniques | T1078 T1110 |
Required data connectors | AWS AzureActiveDirectory |
Kind | Scheduled |
Query frequency | 1d |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AWSConsoleAADCorrelation.yaml |
Version | 1.0.3 |
Arm template | 910124df-913c-47e3-a7cd-29e1643fa55e.json |
//Adjust this threshold to fit environment
let signin_threshold = 5;
//Make a list of IPs with failed AWS console logins
let aws_fails = AWSCloudTrail
| where EventName == "ConsoleLogin"
| extend LoginResult = tostring(parse_json(ResponseElements).ConsoleLogin)
| where LoginResult != "Success"
| where SourceIpAddress != "127.0.0.1"
| summarize count() by SourceIpAddress
| where count_ > signin_threshold
| summarize make_set(SourceIpAddress);
//See if any of those IPs have sucessfully logged into Azure AD.
SigninLogs
| where ResultType in ("0", "50125", "50140")
| where IPAddress in (aws_fails)
| extend Reason = "Multiple failed AWS Console logins from IP address"
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
requiredDataConnectors:
- connectorId: AzureActiveDirectory
dataTypes:
- SigninLogs
- connectorId: AWS
dataTypes:
- AWSCloudTrail
triggerOperator: gt
queryFrequency: 1d
name: Failed AWS Console logons but success logon to AzureAD
queryPeriod: 1d
metadata:
categories:
domains:
- Security - Others
- Identity
support:
tier: Community
author:
name: Pete Bryan
source:
kind: Community
id: 910124df-913c-47e3-a7cd-29e1643fa55e
description: |
'Identifies a list of IP addresses with a minimum numbe(default of 5) of failed logon attempts to AWS Console.
Uses that list to identify any successful Azure Active Directory logons from these IPs within the same timeframe.'
severity: Medium
query: |
//Adjust this threshold to fit environment
let signin_threshold = 5;
//Make a list of IPs with failed AWS console logins
let aws_fails = AWSCloudTrail
| where EventName == "ConsoleLogin"
| extend LoginResult = tostring(parse_json(ResponseElements).ConsoleLogin)
| where LoginResult != "Success"
| where SourceIpAddress != "127.0.0.1"
| summarize count() by SourceIpAddress
| where count_ > signin_threshold
| summarize make_set(SourceIpAddress);
//See if any of those IPs have sucessfully logged into Azure AD.
SigninLogs
| where ResultType in ("0", "50125", "50140")
| where IPAddress in (aws_fails)
| extend Reason = "Multiple failed AWS Console logins from IP address"
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
version: 1.0.3
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AWSConsoleAADCorrelation.yaml
entityMappings:
- entityType: Account
fieldMappings:
- identifier: FullName
columnName: AccountCustomEntity
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
relevantTechniques:
- T1078
- T1110
tactics:
- InitialAccess
- CredentialAccess
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/910124df-913c-47e3-a7cd-29e1643fa55e')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/910124df-913c-47e3-a7cd-29e1643fa55e')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Failed AWS Console logons but success logon to AzureAD",
"description": "'Identifies a list of IP addresses with a minimum numbe(default of 5) of failed logon attempts to AWS Console.\nUses that list to identify any successful Azure Active Directory logons from these IPs within the same timeframe.'\n",
"severity": "Medium",
"enabled": true,
"query": "//Adjust this threshold to fit environment\nlet signin_threshold = 5;\n//Make a list of IPs with failed AWS console logins\nlet aws_fails = AWSCloudTrail\n| where EventName == \"ConsoleLogin\"\n| extend LoginResult = tostring(parse_json(ResponseElements).ConsoleLogin)\n| where LoginResult != \"Success\"\n| where SourceIpAddress != \"127.0.0.1\"\n| summarize count() by SourceIpAddress\n| where count_ > signin_threshold\n| summarize make_set(SourceIpAddress);\n//See if any of those IPs have sucessfully logged into Azure AD.\nSigninLogs\n| where ResultType in (\"0\", \"50125\", \"50140\")\n| where IPAddress in (aws_fails)\n| extend Reason = \"Multiple failed AWS Console logins from IP address\"\n| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess",
"CredentialAccess"
],
"techniques": [
"T1078",
"T1110"
],
"alertRuleTemplateName": "910124df-913c-47e3-a7cd-29e1643fa55e",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "AccountCustomEntity"
}
],
"entityType": "Account"
},
{
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
],
"entityType": "IP"
}
],
"templateVersion": "1.0.3",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AWSConsoleAADCorrelation.yaml"
}
}
]
}