NGINX - Sql injection patterns

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Id	3bac451d-f919-4c92-9be7-694990e0ca4b
Rulename	NGINX - Sql injection patterns
Description	Detects possible sql injection patterns
Severity	High
Tactics	InitialAccess
Techniques	T1190
Required data connectors	CustomLogsAma
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/NGINX HTTP Server/Analytic Rules/NGINXSqlPattern.yaml
Version	1.0.3
Arm template	3bac451d-f919-4c92-9be7-694990e0ca4b.json

KQL

let sql_patterns = dynamic([@"1/*'*/", @"1'||'asd'||'", @"'1'='1", @"1' or '1'='1", @"1 or 1=1", @"1=1", @"1/*!1111'*/", @"'or''='"]);
NGINXHTTPServer
| where UrlOriginal has_any (sql_patterns)
| extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = UrlOriginal

YAML

triggerOperator: gt
queryFrequency: 10m
requiredDataConnectors:
- connectorId: CustomLogsAma
  dataTypes:
  - NGINX_CL
relevantTechniques:
- T1190
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: UrlCustomEntity
query: |
  let sql_patterns = dynamic([@"1/*'*/", @"1'||'asd'||'", @"'1'='1", @"1' or '1'='1", @"1 or 1=1", @"1=1", @"1/*!1111'*/", @"'or''='"]);
  NGINXHTTPServer
  | where UrlOriginal has_any (sql_patterns)
  | extend IPCustomEntity = SrcIpAddr, UrlCustomEntity = UrlOriginal  
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/NGINX HTTP Server/Analytic Rules/NGINXSqlPattern.yaml
queryPeriod: 10m
name: NGINX - Sql injection patterns
status: Available
kind: Scheduled
description: |
    'Detects possible sql injection patterns'
id: 3bac451d-f919-4c92-9be7-694990e0ca4b
version: 1.0.3
tactics:
- InitialAccess
severity: High

ARM