MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Exfiltration |
Rule body
id: 4b272e82-19f1-40d1-bfdf-74fbb6353e8b
name: Bitglass - Suspicious file uploads
description: |
'Detects suspicious file upload activity.'
severity: High
status: Available
requiredDataConnectors:
- connectorId: Bitglass
dataTypes:
- Bitglass
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
- Exfiltration
relevantTechniques:
- T1567
query: |
Bitglass
| where EventType =~ 'swgwebdlp'
| where HttpRequestMethod =~ 'POST'
| where isnotempty(DlpPattern)
| summarize count() by User, bin(TimeGenerated, 15m)
| where count_ > 1
| extend AccountCustomEntity = User
entityMappings:
- entityType: Account
fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
version: 1.0.1
kind: Scheduled
Stages and Predicates
Stage 1: source
Bitglass
Stage 2: where
| where EventType =~ 'swgwebdlp'
Stage 3: where
| where HttpRequestMethod =~ 'POST'
Stage 4: where
| where isnotempty(DlpPattern)
Stage 5: summarize
| summarize count() by User, bin(TimeGenerated, 15m)
Stage 6: where
| where count_ > 1
Stage 7: extend
| extend AccountCustomEntity = User
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
DlpPattern | is_not_null | field:"DlpPattern" kind:is_not_null | |
EventType | eq |
| field:"EventType" kind:eq value:"swgwebdlp" |
HttpRequestMethod | eq |
| field:"HttpRequestMethod" kind:eq value:"POST" |
count_ | gt |
| field:"count_" kind:gt value:"1" |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
User | summarize |
AccountCustomEntity | extend |