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])
kind: Scheduled
triggerThreshold: 0
id: 910124df-913c-47e3-a7cd-29e1643fa55e
tactics:
- InitialAccess
- CredentialAccess
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.'
requiredDataConnectors:
- dataTypes:
- SigninLogs
connectorId: AzureActiveDirectory
- dataTypes:
- AWSCloudTrail
connectorId: AWS
queryPeriod: 1d
version: 1.2.1
severity: Medium
entityMappings:
- fieldMappings:
- columnName: UserPrincipalName
identifier: FullName
- columnName: AccountName
identifier: Name
- columnName: AccountUPNSuffix
identifier: UPNSuffix
entityType: Account
- fieldMappings:
- columnName: UserId
identifier: AadUserId
entityType: Account
- fieldMappings:
- columnName: IPAddress
identifier: Address
entityType: IP
metadata:
author:
name: Microsoft Security Research
categories:
domains:
- Security - Others
- Identity
support:
tier: Community
source:
kind: Community
queryFrequency: 1d
relevantTechniques:
- T1078
- T1110
name: Failed AWS Console logons but success logon to AzureAD
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AWSConsoleAADCorrelation.yaml
triggerOperator: gt
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])