Contrast ADR - EDR Alert Correlation

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Id	c1c6ba64-134e-403b-b9a6-1bebc90809a4
Rulename	Contrast ADR - EDR Alert Correlation
Description	Correlates Contrast ADR incidents with specific high-risk attack patterns including command injection, deserialization attacks, and file upload vulnerabilities. This rule identifies confirmed security events that require immediate attention from security teams.
Severity	Medium
Tactics	Execution DefenseEvasion InitialAccess CommandAndControl
Techniques	T1059 T1055 T1190 T1008
Required data connectors	ContrastADRCCF
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_EDR.yaml
Version	1.0.2
Arm template	c1c6ba64-134e-403b-b9a6-1bebc90809a4.json

KQL

ContrastADRIncidents_CL
| join kind=inner (ContrastADRAttackEvents_CL | where rule in~("class-loader-manipulation", "cmd-injection-semantic-chained-commands", "cmd-injection-semantic-dangerous-paths", "cmd-injection-command-backdoors", "cmd-injection-process-hardening", "cmd-injection", "expression-language-injection", "jndi-injection", "ssjs-injection", "unsafe-file-upload", "untrusted-deserialization","xxe") | project-rename hostname = host_hostname) on incidentId
//Please add your EDR table name in place of ContrastWAFLogs_CL and hostname's column name in place of hostname below and uncomment the queries below
//| join kind = inner ( ContrastWAFLogs_CL
//| where TimeGenerated >= ago(5m)) on hostname

YAML

relevantTechniques:
- T1059
- T1055
- T1190
- T1008
name: Contrast ADR - EDR Alert Correlation
version: 1.0.2
entityMappings:
- fieldMappings:
  - columnName: hostname
    identifier: HostName
  entityType: Host
triggerThreshold: 0
alertDetailsOverride:
  alertDisplayNameFormat: EDR Alert Confirmed {{result}} by Contrast ADR on {{application_name}}
  alertDescriptionFormat: EDR Alert Confirmed {{result}} by Contrast ADR on {{application_name}}
kind: Scheduled
queryFrequency: 5m
description: |
    'Correlates Contrast ADR incidents with specific high-risk attack patterns including command injection, deserialization attacks, and file upload vulnerabilities. This rule identifies confirmed security events that require immediate attention from security teams.'
queryPeriod: 5m
id: c1c6ba64-134e-403b-b9a6-1bebc90809a4
requiredDataConnectors:
- connectorId: ContrastADRCCF
  dataTypes:
  - ContrastADRIncidents_CL
  - ContrastADRAttackEvents_CL
tactics:
- Execution
- DefenseEvasion
- InitialAccess
- CommandAndControl
severity: Medium
status: Available
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_EDR.yaml
query: |
  ContrastADRIncidents_CL
  | join kind=inner (ContrastADRAttackEvents_CL | where rule in~("class-loader-manipulation", "cmd-injection-semantic-chained-commands", "cmd-injection-semantic-dangerous-paths", "cmd-injection-command-backdoors", "cmd-injection-process-hardening", "cmd-injection", "expression-language-injection", "jndi-injection", "ssjs-injection", "unsafe-file-upload", "untrusted-deserialization","xxe") | project-rename hostname = host_hostname) on incidentId
  //Please add your EDR table name in place of ContrastWAFLogs_CL and hostname's column name in place of hostname below and uncomment the queries below
  //| join kind = inner ( ContrastWAFLogs_CL
  //| where TimeGenerated >= ago(5m)) on hostname  
triggerOperator: gt
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    groupByEntities:
    - Host
    reopenClosedIncident: false
    enabled: true
    matchingMethod: Selected
    lookbackDuration: PT1H

ARM