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 number (default of 5) of failed logon attempts to AWS Console. Uses that list to identify any successful Microsoft Entra ID 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 | 1.2.1 |
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, AccountName = tostring(split(UserPrincipalName, "@")[0]), AccountUPNSuffix = tostring(split(UserPrincipalName, "@")[1])
metadata:
categories:
domains:
- Security - Others
- Identity
author:
name: Microsoft Security Research
source:
kind: Community
support:
tier: Community
id: 910124df-913c-47e3-a7cd-29e1643fa55e
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, AccountName = tostring(split(UserPrincipalName, "@")[0]), AccountUPNSuffix = tostring(split(UserPrincipalName, "@")[1])
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AWSConsoleAADCorrelation.yaml
description: |
'Identifies a list of IP addresses with a minimum number (default of 5) of failed logon attempts to AWS Console.
Uses that list to identify any successful Microsoft Entra ID logons from these IPs within the same timeframe.'
name: Failed AWS Console logons but success logon to AzureAD
relevantTechniques:
- T1078
- T1110
entityMappings:
- entityType: Account
fieldMappings:
- identifier: FullName
columnName: UserPrincipalName
- identifier: Name
columnName: AccountName
- identifier: UPNSuffix
columnName: AccountUPNSuffix
- entityType: Account
fieldMappings:
- identifier: AadUserId
columnName: UserId
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPAddress
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- dataTypes:
- SigninLogs
connectorId: AzureActiveDirectory
- dataTypes:
- AWSCloudTrail
connectorId: AWS
queryFrequency: 1d
queryPeriod: 1d
version: 1.2.1
kind: Scheduled
tactics:
- InitialAccess
- CredentialAccess
triggerOperator: gt
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/910124df-913c-47e3-a7cd-29e1643fa55e')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/910124df-913c-47e3-a7cd-29e1643fa55e')]",
"properties": {
"alertRuleTemplateName": "910124df-913c-47e3-a7cd-29e1643fa55e",
"customDetails": null,
"description": "'Identifies a list of IP addresses with a minimum number (default of 5) of failed logon attempts to AWS Console.\nUses that list to identify any successful Microsoft Entra ID logons from these IPs within the same timeframe.'\n",
"displayName": "Failed AWS Console logons but success logon to AzureAD",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "UserPrincipalName",
"identifier": "FullName"
},
{
"columnName": "AccountName",
"identifier": "Name"
},
{
"columnName": "AccountUPNSuffix",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "UserId",
"identifier": "AadUserId"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPAddress",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AWSConsoleAADCorrelation.yaml",
"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, AccountName = tostring(split(UserPrincipalName, \"@\")[0]), AccountUPNSuffix = tostring(split(UserPrincipalName, \"@\")[1])\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"severity": "Medium",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess",
"InitialAccess"
],
"techniques": [
"T1078",
"T1110"
],
"templateVersion": "1.2.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}