Detection rules › Kusto

Sentinel One - Blacklist hash deleted

Status
available
Severity
medium
Time window
1h
Source
github.com/Azure/Azure-Sentinel

'Detects when blacklist hash was deleted.'

MITRE ATT&CK coverage

TacticTechniques
Stealth

Rule body

id: de339761-2298-4b37-8f1b-80ebd4f0b5f6
name: Sentinel One - Blacklist hash deleted
description: |
  'Detects when blacklist hash was deleted.'
severity: Medium
status: Available
requiredDataConnectors:
  - connectorId: SentinelOne
    dataTypes:
      - SentinelOne
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
  - DefenseEvasion
relevantTechniques:
  - T1070
query: | 
  SentinelOne
  | where ActivityType == 3020
  | project EventCreationTime, SrcUserName, Hash=EventSubStatus
  | extend AccountCustomEntity = SrcUserName, HashCustomEntity = Hash, HashAlgorithmCustomEntity = "SHA1"
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: Name
        columnName: AccountCustomEntity
  - entityType: FileHash
    fieldMappings:
      - identifier: Value
        columnName: HashCustomEntity
      - identifier: Algorithm
        columnName: HashAlgorithmCustomEntity
version: 1.0.0
kind: Scheduled

Stages and Predicates

Stage 1: source

SentinelOne

Stage 2: where

| where ActivityType == 3020

Stage 3: project

| project EventCreationTime, SrcUserName, Hash=EventSubStatus

Stage 4: extend

| extend AccountCustomEntity = SrcUserName, HashCustomEntity = Hash, HashAlgorithmCustomEntity = "SHA1"

Indicators

These rows show field, operator, and value matches.

Output fields

These fields are emitted when the rule matches.

FieldSource
EventCreationTimeproject
Hashproject
SrcUserNameproject
AccountCustomEntityextend
HashAlgorithmCustomEntityextend
HashCustomEntityextend