Malware Detected

Status: available
Severity: medium
Time window: 1h
Group by: ActualAction, CategorySet, CategoryType, FilePath, SrcHostName, SrcIpAddr, UserName
Source: github.com/Azure/Azure-Sentinel

'Creates an incident when a Symantec Endpoint Proection agent detects malware and the malware was not cleaned.'

MITRE ATT&CK coverage

Tactic	Techniques
Execution	`T1204.002` User Execution: Malicious File

Rule body

id: 072ee087-17e1-474d-b162-bbe38bcab9f9
name: Malware Detected
description: |
  'Creates an incident when a Symantec Endpoint Proection agent detects malware and the malware was not cleaned.'
severity: Medium
status: Available
requiredDataConnectors:
  - connectorId: SyslogAma
    datatypes:
      - Syslog
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Execution
relevantTechniques:
  - T1204.002
query: |
  SymantecEndpointProtection
  | where LogType == "Agent Risk Logs"
  | where CategorySet == "Malware"
  | where ActualAction !contains "Cleaned"
  | summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SrcIpAddr, SrcHostName, UserName, FilePath, ActualAction, CategorySet, CategoryType
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: UserName
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: SrcIpAddr
  - entityType: Host
    fieldMappings:
      - identifier: FullName
        columnName: SrcHostName
version: 1.0.3
kind: Scheduled

Stages and Predicates

Stage 1: `source`

SymantecEndpointProtection

Stage 2: `where`

| where LogType == "Agent Risk Logs"

Stage 3: `where`

| where CategorySet == "Malware"

Stage 4: `where`

| where ActualAction !contains "Cleaned"

Stage 5: `summarize`

| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SrcIpAddr, SrcHostName, UserName, FilePath, ActualAction, CategorySet, CategoryType

Exclusions

The rule actively suppresses these predicates.

Field	Kind	Excluded values	Search
`ActualAction`	contains	`Cleaned`	`excludes:ActualAction` `field:"ActualAction" value:"Cleaned"`

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`CategorySet`	eq	`Malware`	`field:"CategorySet" kind:eq value:"Malware"`
`LogType`	eq	`Agent Risk Logs`	`field:"LogType" kind:eq value:"Agent Risk Logs"`

Output fields

These fields are emitted when the rule matches.

Field	Source
`ActualAction`	`summarize`
`CategorySet`	`summarize`
`CategoryType`	`summarize`
`EndTimeUtc`	`summarize`
`FilePath`	`summarize`
`SrcHostName`	`summarize`
`SrcIpAddr`	`summarize`
`StartTimeUtc`	`summarize`
`UserName`	`summarize`