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Network Security Group Rule Created

Status
test
Severity
informational
Log source
product azure, service activitylogs
Author
Fukusuke Takahashi
Source
github.com/Yamato-Security/suzaku-rules

Creates a network security group rule.

MITRE ATT&CK coverage

TacticTechniques
PersistenceNo specific technique

Telemetry coverage

PlatformRecord / event type
AzureActivity Log event Microsoft.Network/networkSecurityGroups/securityRules/write: Creates a security rule or updates an existing security rule

Rule body

title: Network Security Group Rule Created
id: 63bbdbed-e157-47ba-b731-5d7db61112b1
status: test
description:
    Creates a network security group rule.
references:
    - https://learn.microsoft.com/en-us/azure/virtual-network/manage-network-security-group?tabs=network-security-group-portal#network-security-group-rule
author: Fukusuke Takahashi
date: 2025-12-02
tags:
    - attack.persistence
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName: MICROSOFT.NETWORK/NETWORKSECURITYGROUPS/SECURITYRULES/WRITE
        properties.statusCode: Created
    condition: selection
falsepositives:
level: informational

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    operationName: MICROSOFT.NETWORK/NETWORKSECURITYGROUPS/SECURITYRULES/WRITE
    properties.statusCode: Created

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
operationNameeq
  • MICROSOFT.NETWORK/NETWORKSECURITYGROUPS/SECURITYRULES/WRITE
field:"operationName" kind:eq value:"MICROSOFT.NETWORK/NETWORKSECURITYGROUPS/SECURITYRULES/WRITE"
properties.statusCodeeq
  • Created
field:"properties.statusCode" kind:eq value:"Created"