Cisco Umbrella - Request Allowed to harmfulmalicious URI category
| Id | d6bf1931-b1eb-448d-90b2-de118559c7ce |
| Rulename | Cisco Umbrella - Request Allowed to harmful/malicious URI category |
| Description | It is reccomended that these Categories shoud be blocked by policies because they provide harmful/malicious content.. |
| Severity | Medium |
| Tactics | CommandAndControl InitialAccess |
| Required data connectors | CiscoUmbrellaDataConnector |
| Kind | Scheduled |
| Query frequency | 10m |
| Query period | 10m |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CiscoUmbrella/CiscoUmbrellaRequestAllowedHarmfulMaliciousURICategory.yaml |
| Version | 1.1.1 |
| Arm template | d6bf1931-b1eb-448d-90b2-de118559c7ce.json |
let lbtime = 10m;
Cisco_Umbrella
| where TimeGenerated > ago(lbtime)
| where EventType == 'proxylogs'
| where DvcAction =~ 'Allowed'
| where UrlCategory contains 'Adult Themes' or
UrlCategory contains 'Adware' or
UrlCategory contains 'Alcohol' or
UrlCategory contains 'Illegal Downloads' or
UrlCategory contains 'Drugs' or
UrlCategory contains 'Child Abuse Content' or
UrlCategory contains 'Hate/Discrimination' or
UrlCategory contains 'Nudity' or
UrlCategory contains 'Pornography' or
UrlCategory contains 'Proxy/Anonymizer' or
UrlCategory contains 'Sexuality' or
UrlCategory contains 'Tasteless' or
UrlCategory contains 'Terrorism' or
UrlCategory contains 'Web Spam' or
UrlCategory contains 'German Youth Protection' or
UrlCategory contains 'Illegal Activities' or
UrlCategory contains 'Lingerie/Bikini' or
UrlCategory contains 'Weapons'
| project TimeGenerated, SrcIpAddr, Identities
version: 1.1.1
severity: Medium
query: |
let lbtime = 10m;
Cisco_Umbrella
| where TimeGenerated > ago(lbtime)
| where EventType == 'proxylogs'
| where DvcAction =~ 'Allowed'
| where UrlCategory contains 'Adult Themes' or
UrlCategory contains 'Adware' or
UrlCategory contains 'Alcohol' or
UrlCategory contains 'Illegal Downloads' or
UrlCategory contains 'Drugs' or
UrlCategory contains 'Child Abuse Content' or
UrlCategory contains 'Hate/Discrimination' or
UrlCategory contains 'Nudity' or
UrlCategory contains 'Pornography' or
UrlCategory contains 'Proxy/Anonymizer' or
UrlCategory contains 'Sexuality' or
UrlCategory contains 'Tasteless' or
UrlCategory contains 'Terrorism' or
UrlCategory contains 'Web Spam' or
UrlCategory contains 'German Youth Protection' or
UrlCategory contains 'Illegal Activities' or
UrlCategory contains 'Lingerie/Bikini' or
UrlCategory contains 'Weapons'
| project TimeGenerated, SrcIpAddr, Identities
queryPeriod: 10m
kind: Scheduled
tactics:
- CommandAndControl
- InitialAccess
triggerOperator: gt
queryFrequency: 10m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CiscoUmbrella/CiscoUmbrellaRequestAllowedHarmfulMaliciousURICategory.yaml
name: Cisco Umbrella - Request Allowed to harmful/malicious URI category
triggerThreshold: 0
entityMappings:
- fieldMappings:
- columnName: Identities
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: SrcIpAddr
identifier: Address
entityType: IP
id: d6bf1931-b1eb-448d-90b2-de118559c7ce
description: |
'It is reccomended that these Categories shoud be blocked by policies because they provide harmful/malicious content..'
requiredDataConnectors:
- connectorId: CiscoUmbrellaDataConnector
dataTypes:
- Cisco_Umbrella_proxy_CL