User Accessed Suspicious URL Categories

Back


Id	fb0f4a93-d8ad-4b54-9931-85bdb7550f90
Rulename	User Accessed Suspicious URL Categories
Description	Creates an incident in the event the requested URL accessed by the user has been identified as Suspicious, Phishing, or Hacking.
Severity	Medium
Tactics	InitialAccess CommandAndControl
Techniques	T1566 T1071
Required data connectors	SyslogAma
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/SymantecProxySG/Analytic Rules/UserAccessedSuspiciousURLCategories.yaml
Version	1.0.5
Arm template	fb0f4a93-d8ad-4b54-9931-85bdb7550f90.json

KQL

SymantecProxySG
| mv-expand cs_categories
| where cs_categories has_any ("Suspicious","phishing", "hacking")
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by sc_filter_result, cs_userdn, c_ip, cs_host, Computer,  tostring(cs_categories)

YAML

entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: cs_userdn
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: Computer
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: c_ip
tactics:
- InitialAccess
- CommandAndControl
requiredDataConnectors:
- datatypes:
  - Syslog
  connectorId: SyslogAma
id: fb0f4a93-d8ad-4b54-9931-85bdb7550f90
severity: Medium
status: Available
query: |
  SymantecProxySG
  | mv-expand cs_categories
  | where cs_categories has_any ("Suspicious","phishing", "hacking")
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by sc_filter_result, cs_userdn, c_ip, cs_host, Computer,  tostring(cs_categories)  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SymantecProxySG/Analytic Rules/UserAccessedSuspiciousURLCategories.yaml
kind: Scheduled
queryPeriod: 1h
version: 1.0.5
name: User Accessed Suspicious URL Categories
queryFrequency: 1h
triggerThreshold: 0
relevantTechniques:
- T1566
- T1071
description: |
    'Creates an incident in the event the requested URL accessed by the user has been identified as Suspicious, Phishing, or Hacking.'
triggerOperator: gt

ARM