TIE Password issues
Id | 87af910a-e9c0-4c96-8045-f778ba405251 |
Rulename | TIE Password issues |
Description | Searches for triggered Indicators of Exposures related to password issues. |
Severity | Low |
Tactics | CredentialAccess |
Techniques | T1110 |
Required data connectors | TenableIE |
Kind | Scheduled |
Query frequency | 2h |
Query period | 2h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPasswordIssues.yaml |
Version | 1.0.1 |
Arm template | 87af910a-e9c0-4c96-8045-f778ba405251.json |
// For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace
// Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser
// Then, create the Kusto Function with alias afad_parser
let SeverityTable=datatable(Severity:string,Level:int) [
"low", 1,
"medium", 2,
"high", 3,
"critical", 4
];
let codeNameList = datatable(Codename:string)["C-CLEARTEXT-PASSWORD", "C-PASSWORD-DONT-EXPIRE", "C-USER-REVER-PWDS", "C-PASSWORD-POLICY", "C-USER-PASSWORD", "C-KRBTGT-PASSWORD", "C-AAD-SSO-PASSWORD", "C-REVER-PWD-GPO"];
afad_parser
| where MessageType == 0 and Codename in~ (codeNameList)
| lookup kind=leftouter SeverityTable on Severity
| order by Level
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))
version: 1.0.1
queryPeriod: 2h
id: 87af910a-e9c0-4c96-8045-f778ba405251
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPasswordIssues.yaml
triggerThreshold: 0
kind: Scheduled
severity: Low
description: |
'Searches for triggered Indicators of Exposures related to password issues.'
triggerOperator: gt
tactics:
- CredentialAccess
queryFrequency: 2h
query: |
// For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace
// Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser
// Then, create the Kusto Function with alias afad_parser
let SeverityTable=datatable(Severity:string,Level:int) [
"low", 1,
"medium", 2,
"high", 3,
"critical", 4
];
let codeNameList = datatable(Codename:string)["C-CLEARTEXT-PASSWORD", "C-PASSWORD-DONT-EXPIRE", "C-USER-REVER-PWDS", "C-PASSWORD-POLICY", "C-USER-PASSWORD", "C-KRBTGT-PASSWORD", "C-AAD-SSO-PASSWORD", "C-REVER-PWD-GPO"];
afad_parser
| where MessageType == 0 and Codename in~ (codeNameList)
| lookup kind=leftouter SeverityTable on Severity
| order by Level
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))
requiredDataConnectors:
- connectorId: TenableIE
dataTypes:
- Tenable_IE_CL
relevantTechniques:
- T1110
name: TIE Password issues
entityMappings:
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: HostName
- identifier: DnsDomain
columnName: DnsDomain
{
"$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/87af910a-e9c0-4c96-8045-f778ba405251')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/87af910a-e9c0-4c96-8045-f778ba405251')]",
"properties": {
"alertRuleTemplateName": "87af910a-e9c0-4c96-8045-f778ba405251",
"customDetails": null,
"description": "'Searches for triggered Indicators of Exposures related to password issues.'\n",
"displayName": "TIE Password issues",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostName",
"identifier": "HostName"
},
{
"columnName": "DnsDomain",
"identifier": "DnsDomain"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tenable App/Analytic Rules/TIEPasswordIssues.yaml",
"query": "// For the query to work properly, make sure you have imported the afad_parser.yaml parser into the workspace\n// Retrieve the parser here: https://aka.ms/sentinel-TenableApp-afad-parser\n// Then, create the Kusto Function with alias afad_parser\nlet SeverityTable=datatable(Severity:string,Level:int) [\n\"low\", 1,\n\"medium\", 2,\n\"high\", 3,\n\"critical\", 4\n];\nlet codeNameList = datatable(Codename:string)[\"C-CLEARTEXT-PASSWORD\", \"C-PASSWORD-DONT-EXPIRE\", \"C-USER-REVER-PWDS\", \"C-PASSWORD-POLICY\", \"C-USER-PASSWORD\", \"C-KRBTGT-PASSWORD\", \"C-AAD-SSO-PASSWORD\", \"C-REVER-PWD-GPO\"];\nafad_parser\n| where MessageType == 0 and Codename in~ (codeNameList)\n| lookup kind=leftouter SeverityTable on Severity\n| order by Level\n| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))\n",
"queryFrequency": "PT2H",
"queryPeriod": "PT2H",
"severity": "Low",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess"
],
"techniques": [
"T1110"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}