AWS Config Service Resource Deletion Attempts
Id | 093fe75e-44f1-4d3e-94dc-6d258a6dd2d2 |
Rulename | AWS Config Service Resource Deletion Attempts |
Description | Detects attempts to remove a part of the AWS Config Service.The Threat Actor may manipulate the Config services decrease the visibility into the security posture of an account and / or its workload instances. |
Severity | Low |
Tactics | DefenseEvasion |
Techniques | T1562 T1562.001 |
Required data connectors | AWS AWSS3 |
Kind | Scheduled |
Query frequency | 1d |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ConfigServiceResourceDeletion.yaml |
Version | 1.0.0 |
Arm template | 093fe75e-44f1-4d3e-94dc-6d258a6dd2d2.json |
let EventNameList = dynamic(["UpdateTrail","DeleteTrail","StopLogging","DeleteFlowLogs","DeleteEventBus"]);
AWSCloudTrail
| where EventName in~ (EventNameList)
| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
| extend UserName = tostring(split(UserIdentityArn, '/')[-1])
| extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
| extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, RecipientAccountId, AccountName, AccountUPNSuffix, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent,
UserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource
| extend timestamp = StartTimeUtc
id: 093fe75e-44f1-4d3e-94dc-6d258a6dd2d2
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ConfigServiceResourceDeletion.yaml
requiredDataConnectors:
- dataTypes:
- AWSCloudTrail
connectorId: AWS
- dataTypes:
- AWSCloudTrail
connectorId: AWSS3
description: |
'Detects attempts to remove a part of the AWS Config Service.The Threat Actor may manipulate the Config services decrease the visibility into the security posture of an account and / or its workload instances.'
severity: Low
queryPeriod: 1d
kind: Scheduled
tactics:
- DefenseEvasion
queryFrequency: 1d
query: |
let EventNameList = dynamic(["UpdateTrail","DeleteTrail","StopLogging","DeleteFlowLogs","DeleteEventBus"]);
AWSCloudTrail
| where EventName in~ (EventNameList)
| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
| extend UserName = tostring(split(UserIdentityArn, '/')[-1])
| extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
| extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, RecipientAccountId, AccountName, AccountUPNSuffix, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent,
UserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource
| extend timestamp = StartTimeUtc
version: 1.0.0
triggerThreshold: 0
name: AWS Config Service Resource Deletion Attempts
entityMappings:
- entityType: Account
fieldMappings:
- columnName: AccountName
identifier: Name
- columnName: AccountUPNSuffix
identifier: UPNSuffix
- columnName: RecipientAccountId
identifier: CloudAppAccountId
- entityType: IP
fieldMappings:
- columnName: SourceIpAddress
identifier: Address
status: Available
relevantTechniques:
- T1562
- T1562.001
{
"$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/093fe75e-44f1-4d3e-94dc-6d258a6dd2d2')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/093fe75e-44f1-4d3e-94dc-6d258a6dd2d2')]",
"properties": {
"alertRuleTemplateName": "093fe75e-44f1-4d3e-94dc-6d258a6dd2d2",
"customDetails": null,
"description": "'Detects attempts to remove a part of the AWS Config Service.The Threat Actor may manipulate the Config services decrease the visibility into the security posture of an account and / or its workload instances.'\n",
"displayName": "AWS Config Service Resource Deletion Attempts",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountName",
"identifier": "Name"
},
{
"columnName": "AccountUPNSuffix",
"identifier": "UPNSuffix"
},
{
"columnName": "RecipientAccountId",
"identifier": "CloudAppAccountId"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "SourceIpAddress",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ConfigServiceResourceDeletion.yaml",
"query": "let EventNameList = dynamic([\"UpdateTrail\",\"DeleteTrail\",\"StopLogging\",\"DeleteFlowLogs\",\"DeleteEventBus\"]);\nAWSCloudTrail\n| where EventName in~ (EventNameList)\n| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)\n| extend UserName = tostring(split(UserIdentityArn, '/')[-1])\n| extend AccountName = case( UserIdentityPrincipalid == \"Anonymous\", \"Anonymous\", isempty(UserIdentityUserName), UserName, UserIdentityUserName)\n| extend AccountName = iif(AccountName contains \"@\", tostring(split(AccountName, '@', 0)[0]), AccountName),\n AccountUPNSuffix = iif(AccountName contains \"@\", tostring(split(AccountName, '@', 1)[0]), \"\")\n| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, RecipientAccountId, AccountName, AccountUPNSuffix, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent,\nUserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource\n| extend timestamp = StartTimeUtc\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"severity": "Low",
"status": "Available",
"subTechniques": [
"T1562.001"
],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"DefenseEvasion"
],
"techniques": [
"T1562"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}