Probable AdFind Recon Tool Usage
Id | c63ae777-d5e0-4113-8c9a-c2c9d3d09fcd |
Rulename | Probable AdFind Recon Tool Usage |
Description | This query identifies the host and account that executed AdFind, by hash and filename, in addition to the flags commonly utilized by various threat actors during the reconnaissance phase. |
Severity | High |
Tactics | Discovery |
Techniques | T1016 T1018 T1069.002 T1087.002 T1482 |
Required data connectors | MicrosoftThreatProtection |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Attacker Tools Threat Protection Essentials/Analytic Rules/AdFind_Usage.yaml |
Version | 1.0.3 |
Arm template | c63ae777-d5e0-4113-8c9a-c2c9d3d09fcd.json |
let args = dynamic(["objectcategory","domainlist","dcmodes","adinfo","trustdmp","computers_pwdnotreqd","Domain Admins", "objectcategory=person", "objectcategory=computer", "objectcategory=*","dclist"]);
let parentProcesses = dynamic(["pwsh.exe","powershell.exe","cmd.exe"]);
DeviceProcessEvents
//looks for execution from a shell
| where InitiatingProcessFileName in~ (parentProcesses)
// main filter
| where FileName =~ "AdFind.exe" or SHA256 == "c92c158d7c37fea795114fa6491fe5f145ad2f8c08776b18ae79db811e8e36a3"
// AdFind common Flags to check for from various threat actor TTPs
or ProcessCommandLine has_any (args)
| extend HostName = split(DeviceName, '.', 0)[0], DnsDomain = strcat_array(array_slice(split(DeviceName, '.'), 1, -1), '.'), FileHashAlgorithm = "SHA256"
name: Probable AdFind Recon Tool Usage
version: 1.0.3
severity: High
queryFrequency: 1h
triggerOperator: gt
relevantTechniques:
- T1016
- T1018
- T1069.002
- T1087.002
- T1482
status: Available
description: |
'This query identifies the host and account that executed AdFind, by hash and filename, in addition to the flags commonly utilized by various threat actors during the reconnaissance phase.'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Attacker Tools Threat Protection Essentials/Analytic Rules/AdFind_Usage.yaml
requiredDataConnectors:
- connectorId: MicrosoftThreatProtection
dataTypes:
- DeviceProcessEvents
entityMappings:
- fieldMappings:
- identifier: Name
columnName: AccountName
- identifier: UPNSuffix
columnName: AccountDomain
entityType: Account
- fieldMappings:
- identifier: HostName
columnName: HostName
- identifier: DnsDomain
columnName: DnsDomain
entityType: Host
- fieldMappings:
- identifier: ProcessId
columnName: InitiatingProcessFileName
- identifier: CommandLine
columnName: ProcessCommandLine
entityType: Process
- fieldMappings:
- identifier: Algorithm
columnName: FileHashAlgorithm
- identifier: Value
columnName: SHA256
entityType: FileHash
tactics:
- Discovery
queryPeriod: 1h
query: |
let args = dynamic(["objectcategory","domainlist","dcmodes","adinfo","trustdmp","computers_pwdnotreqd","Domain Admins", "objectcategory=person", "objectcategory=computer", "objectcategory=*","dclist"]);
let parentProcesses = dynamic(["pwsh.exe","powershell.exe","cmd.exe"]);
DeviceProcessEvents
//looks for execution from a shell
| where InitiatingProcessFileName in~ (parentProcesses)
// main filter
| where FileName =~ "AdFind.exe" or SHA256 == "c92c158d7c37fea795114fa6491fe5f145ad2f8c08776b18ae79db811e8e36a3"
// AdFind common Flags to check for from various threat actor TTPs
or ProcessCommandLine has_any (args)
| extend HostName = split(DeviceName, '.', 0)[0], DnsDomain = strcat_array(array_slice(split(DeviceName, '.'), 1, -1), '.'), FileHashAlgorithm = "SHA256"
kind: Scheduled
triggerThreshold: 0
id: c63ae777-d5e0-4113-8c9a-c2c9d3d09fcd
{
"$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/c63ae777-d5e0-4113-8c9a-c2c9d3d09fcd')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/c63ae777-d5e0-4113-8c9a-c2c9d3d09fcd')]",
"properties": {
"alertRuleTemplateName": "c63ae777-d5e0-4113-8c9a-c2c9d3d09fcd",
"customDetails": null,
"description": "'This query identifies the host and account that executed AdFind, by hash and filename, in addition to the flags commonly utilized by various threat actors during the reconnaissance phase.'\n",
"displayName": "Probable AdFind Recon Tool Usage",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountName",
"identifier": "Name"
},
{
"columnName": "AccountDomain",
"identifier": "UPNSuffix"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostName",
"identifier": "HostName"
},
{
"columnName": "DnsDomain",
"identifier": "DnsDomain"
}
]
},
{
"entityType": "Process",
"fieldMappings": [
{
"columnName": "InitiatingProcessFileName",
"identifier": "ProcessId"
},
{
"columnName": "ProcessCommandLine",
"identifier": "CommandLine"
}
]
},
{
"entityType": "FileHash",
"fieldMappings": [
{
"columnName": "FileHashAlgorithm",
"identifier": "Algorithm"
},
{
"columnName": "SHA256",
"identifier": "Value"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Attacker Tools Threat Protection Essentials/Analytic Rules/AdFind_Usage.yaml",
"query": "let args = dynamic([\"objectcategory\",\"domainlist\",\"dcmodes\",\"adinfo\",\"trustdmp\",\"computers_pwdnotreqd\",\"Domain Admins\", \"objectcategory=person\", \"objectcategory=computer\", \"objectcategory=*\",\"dclist\"]);\nlet parentProcesses = dynamic([\"pwsh.exe\",\"powershell.exe\",\"cmd.exe\"]);\nDeviceProcessEvents\n//looks for execution from a shell\n| where InitiatingProcessFileName in~ (parentProcesses)\n// main filter\n| where FileName =~ \"AdFind.exe\" or SHA256 == \"c92c158d7c37fea795114fa6491fe5f145ad2f8c08776b18ae79db811e8e36a3\"\n // AdFind common Flags to check for from various threat actor TTPs\n or ProcessCommandLine has_any (args)\n| extend HostName = split(DeviceName, '.', 0)[0], DnsDomain = strcat_array(array_slice(split(DeviceName, '.'), 1, -1), '.'), FileHashAlgorithm = \"SHA256\"\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "High",
"status": "Available",
"subTechniques": [
"T1069.002",
"T1087.002"
],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Discovery"
],
"techniques": [
"T1016",
"T1018",
"T1069",
"T1087",
"T1482"
],
"templateVersion": "1.0.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}