Detection rules › Kusto
Cisco SE - Multiple malware on host
'This rule triggers when multiple malware where detected on host.'
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access |
Rule body
id: b13489d7-feb1-4ad3-9a4c-09f6d64448fd
name: Cisco SE - Multiple malware on host
description: |
'This rule triggers when multiple malware where detected on host.'
severity: High
requiredDataConnectors:
- connectorId: CiscoSecureEndpoint
dataTypes:
- CiscoSecureEndpoint
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
status: Available
tactics:
- InitialAccess
relevantTechniques:
- T1190
- T1133
query: |
let threshold = 2;
CiscoSecureEndpoint
| where isnotempty(ThreatName)
| summarize infected = makeset(ThreatName) by DstHostname, bin(TimeGenerated, 10m)
| where array_length(infected) >= threshold
| extend HostCustomEntity = DstHostname
entityMappings:
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: HostCustomEntity
version: 1.0.0
kind: Scheduled
Stages and Predicates
Parameters
let threshold = 2;
Stage 1: source
CiscoSecureEndpoint
Stage 2: where
| where isnotempty(ThreatName)
Stage 3: summarize
| summarize infected = makeset(ThreatName) by DstHostname, bin(TimeGenerated, 10m)
Stage 4: where
| where array_length(infected) >= threshold
Stage 5: extend
| extend HostCustomEntity = DstHostname
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ThreatName | is_not_null | field:"ThreatName" kind:is_not_null |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
DstHostname | summarize |
infected | summarize |
HostCustomEntity | extend |