Imperva - Malicious user agent
Id | 905794a9-bc46-42b9-974d-5a2dd58110c5 |
Rulename | Imperva - Malicious user agent |
Description | Detects requests containing known malicious user agent strings. |
Severity | High |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | ImpervaWAFCloudAPI |
Kind | Scheduled |
Query frequency | 10m |
Query period | 10m |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaMaliciousUA.yaml |
Version | 1.0.1 |
Arm template | 905794a9-bc46-42b9-974d-5a2dd58110c5.json |
ImpervaWAFCloud
| where HttpUserAgentOriginal has_any ('Nikto', 'hydra', 'advanced email extractor', 'BFAC', 'brutus', 'cgichk', 'cisco-torch', 'scanner', 'datacha0s', 'dirbuster', 'grabber', 'havij', 'internet ninja', 'masscan', 'morfeus', 'mysqloit', 'n-stealth', 'nessus', 'netsparker', 'nmap nse', 'nmap scripting engine', 'nmap-nse', 'nsauditor', 'openvas', 'pangolin', 'qualys was', 'security scan', 'springenwerk', 'sql power injector', 'sqlmap', 'sqlninja', 'w3af.sf.net', 'w3af.sourceforge.net', 'w3af.org', 'webbandit', 'webinspect', 'webvulnscan', 'xmlrpc exploit', 'WPScan', 'XSpider', 'Webster', 'fantomCrew', 'fantomBrowser')
| summarize count() by SrcIpAddr, bin(TimeGenerated, 5m)
| extend IPCustomEntity = SrcIpAddr
requiredDataConnectors:
- connectorId: ImpervaWAFCloudAPI
dataTypes:
- ImpervaWAFCloud
triggerOperator: gt
queryFrequency: 10m
name: Imperva - Malicious user agent
status: Available
queryPeriod: 10m
id: 905794a9-bc46-42b9-974d-5a2dd58110c5
description: |
'Detects requests containing known malicious user agent strings.'
severity: High
query: |
ImpervaWAFCloud
| where HttpUserAgentOriginal has_any ('Nikto', 'hydra', 'advanced email extractor', 'BFAC', 'brutus', 'cgichk', 'cisco-torch', 'scanner', 'datacha0s', 'dirbuster', 'grabber', 'havij', 'internet ninja', 'masscan', 'morfeus', 'mysqloit', 'n-stealth', 'nessus', 'netsparker', 'nmap nse', 'nmap scripting engine', 'nmap-nse', 'nsauditor', 'openvas', 'pangolin', 'qualys was', 'security scan', 'springenwerk', 'sql power injector', 'sqlmap', 'sqlninja', 'w3af.sf.net', 'w3af.sourceforge.net', 'w3af.org', 'webbandit', 'webinspect', 'webvulnscan', 'xmlrpc exploit', 'WPScan', 'XSpider', 'Webster', 'fantomCrew', 'fantomBrowser')
| summarize count() by SrcIpAddr, bin(TimeGenerated, 5m)
| extend IPCustomEntity = SrcIpAddr
version: 1.0.1
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaMaliciousUA.yaml
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
relevantTechniques:
- T1190
- T1133
tactics:
- InitialAccess
triggerThreshold: 0
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/905794a9-bc46-42b9-974d-5a2dd58110c5')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/905794a9-bc46-42b9-974d-5a2dd58110c5')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Imperva - Malicious user agent",
"description": "'Detects requests containing known malicious user agent strings.'\n",
"severity": "High",
"enabled": true,
"query": "ImpervaWAFCloud\n| where HttpUserAgentOriginal has_any ('Nikto', 'hydra', 'advanced email extractor', 'BFAC', 'brutus', 'cgichk', 'cisco-torch', 'scanner', 'datacha0s', 'dirbuster', 'grabber', 'havij', 'internet ninja', 'masscan', 'morfeus', 'mysqloit', 'n-stealth', 'nessus', 'netsparker', 'nmap nse', 'nmap scripting engine', 'nmap-nse', 'nsauditor', 'openvas', 'pangolin', 'qualys was', 'security scan', 'springenwerk', 'sql power injector', 'sqlmap', 'sqlninja', 'w3af.sf.net', 'w3af.sourceforge.net', 'w3af.org', 'webbandit', 'webinspect', 'webvulnscan', 'xmlrpc exploit', 'WPScan', 'XSpider', 'Webster', 'fantomCrew', 'fantomBrowser')\n| summarize count() by SrcIpAddr, bin(TimeGenerated, 5m)\n| extend IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT10M",
"queryPeriod": "PT10M",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1190",
"T1133"
],
"alertRuleTemplateName": "905794a9-bc46-42b9-974d-5a2dd58110c5",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
],
"entityType": "IP"
}
],
"templateVersion": "1.0.1",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaMaliciousUA.yaml",
"status": "Available"
}
}
]
}