Flare chat results | Microsoft Sentinel Analytic Rules

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Id	76210211-3ade-47b6-b7f2-c871cd05ec43
Rulename	Flare chat results
Description	This query searches for conversations and posts from real-time messaging environments used by threat actors and fraud communities.
Severity	Medium
Tactics	Reconnaissance
Techniques	T1593
Required data connectors	Flare
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/Flare/Analytic%20Rules/FlareChat.yaml
Version	1.0.0
Arm template	76210211-3ade-47b6-b7f2-c871cd05ec43.json

KQL

FireworkV2_CL
| where notempty(uid) and RiskScore >= 3
| extend index_name = split(uid, "/")[0]
| where index_name == "chat_message"

YAML

name: Flare chat results
triggerOperator: gt
query: |
  FireworkV2_CL
  | where notempty(uid) and RiskScore >= 3
  | extend index_name = split(uid, "/")[0]
  | where index_name == "chat_message"
queryFrequency: 1h
description: |
  'This query searches for conversations and posts from real-time messaging environments used by threat actors and fraud communities.'
id: 76210211-3ade-47b6-b7f2-c871cd05ec43
triggerThreshold: 0
queryPeriod: 1h
version: 1.0.0
kind: Scheduled
status: Available
severity: Medium
requiredDataConnectors:
- connectorId: Flare
  dataTypes:
  - FireworkV2_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Flare/Analytic%20Rules/FlareChat.yaml
relevantTechniques:
- T1593
tactics:
- Reconnaissance

ARM

{
  "$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/76210211-3ade-47b6-b7f2-c871cd05ec43')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/76210211-3ade-47b6-b7f2-c871cd05ec43')]",
      "properties": {
        "alertRuleTemplateName": "76210211-3ade-47b6-b7f2-c871cd05ec43",
        "customDetails": null,
        "description": "'This query searches for conversations and posts from real-time messaging environments used by threat actors and fraud communities.'\n",
        "displayName": "Flare chat results",
        "enabled": true,
        "entityMappings": null,
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Flare/Analytic%20Rules/FlareChat.yaml",
        "query": "FireworkV2_CL\n| where notempty(uid) and RiskScore >= 3\n| extend index_name = split(uid, \"/\")[0]\n| where index_name == \"chat_message\"\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Reconnaissance"
        ],
        "techniques": [
          "T1593"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}