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

name: Contrast ADR - EDR Alert Correlation
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: true
    matchingMethod: Selected
    groupByEntities:
    - Host
    lookbackDuration: PT1H
  createIncident: true
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  
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: hostname
    identifier: HostName
queryPeriod: 5m
version: 1.0.2
tactics:
- Execution
- DefenseEvasion
- InitialAccess
- CommandAndControl
triggerOperator: gt
kind: Scheduled
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ContrastADR/Analytic Rules/Contrast_ADR_Confirmed_EDR.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
alertDetailsOverride:
  alertDescriptionFormat: EDR Alert Confirmed {{result}} by Contrast ADR on {{application_name}}
  alertDisplayNameFormat: EDR Alert Confirmed {{result}} by Contrast ADR on {{application_name}}
relevantTechniques:
- T1059
- T1055
- T1190
- T1008
id: c1c6ba64-134e-403b-b9a6-1bebc90809a4
severity: Medium
requiredDataConnectors:
- connectorId: ContrastADRCCF
  dataTypes:
  - ContrastADRIncidents_CL
  - ContrastADRAttackEvents_CL
status: Available
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.'
queryFrequency: 5m

ARM