Detection rules › Kusto
1Password - Vault export prior to account suspension or deletion
This will alert when a successful vault export has occurred within the last 14 days prior to an account being suspended or deleted from 1Password. Ref: https://1password.com/ Ref: https://github.com/securehats/
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access |
Telemetry coverage
Rule body
id: 51617533-cf51-4415-9020-b15bd47d69d2
name: 1Password - Vault export prior to account suspension or deletion
version: 1.0.0
kind: Scheduled
description: |-
This will alert when a successful vault export has occurred within the last 14 days prior to an account being suspended or deleted from 1Password.
Ref: https://1password.com/
Ref: https://github.com/securehats/
severity: Medium
requiredDataConnectors:
- connectorId: 1Password
dataTypes:
- OnePasswordEventLogs_CL
queryFrequency: 1h
queryPeriod: 14d
triggerOperator: gt
triggerThreshold: 0
tactics:
- CredentialAccess
relevantTechniques:
- T1555
query: |-
let ruleFrequency = 1h;
let lookback = 14d;
let onePasswordVaultExportCheck =
OnePasswordEventLogs_CL
| where TimeGenerated between (ago(lookback) .. ago(now() - ago(ruleFrequency)))
| where action == "export" and object_type == "vault"
;
OnePasswordEventLogs_CL
| where (action == "suspend" and object_type == "user") or (action == "delete" and object_type == "user")
| extend
userUuid = tostring(object_details.uuid)
, auditevents = bag_pack("action", action, "object_type", object_type)
| join (
onePasswordVaultExportCheck
| extend userUuid = tostring(actor_details.uuid)
)
on $left.userUuid == $right.userUuid
| extend
TargetUsername = actor_details1.email
, SrcIpAddr = session1.ip_address
| project
TimeGenerated
, auditevents
, actor_details
, location_details = location
, session_details = session
, exported_vault = object_details
, TargetUsername
, SrcIpAddr
entityMappings:
- entityType: Account
fieldMappings:
- identifier: FullName
columnName: TargetUsername
- entityType: IP
fieldMappings:
- identifier: Address
columnName: SrcIpAddr
suppressionEnabled: false
incidentConfiguration:
createIncident: true
groupingConfiguration:
enabled: true
reopenClosedIncident: false
lookbackDuration: 1h
matchingMethod: AllEntities
suppressionDuration: 5h
eventGroupingSettings:
aggregationKind: SingleAlert
Stages and Predicates
Parameters
let ruleFrequency = 1h;
let lookback = 14d;
Let binding: onePasswordVaultExportCheck
let onePasswordVaultExportCheck = OnePasswordEventLogs_CL
| where TimeGenerated between (ago(lookback) .. ago(now() - ago(ruleFrequency)))
| where action == "export" and object_type == "vault";
Stage 1: source
OnePasswordEventLogs_CL
Stage 2: where
| where (action == "suspend" and object_type == "user") or (action == "delete" and object_type == "user")
Stage 3: extend
| extend
userUuid = tostring(object_details.uuid)
, auditevents = bag_pack("action", action, "object_type", object_type)
Stage 4: join
| join (
onePasswordVaultExportCheck
| extend userUuid = tostring(actor_details.uuid)
)
on $left.userUuid == $right.userUuid
Stage 5: extend
| extend
TargetUsername = actor_details1.email
, SrcIpAddr = session1.ip_address
Stage 6: project
| project
TimeGenerated
, auditevents
, actor_details
, location_details = location
, session_details = session
, exported_vault = object_details
, TargetUsername
, SrcIpAddr
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
action | eq |
| field:"action" kind:eq |
object_type | eq |
| field:"object_type" kind:eq |
Output fields
These fields are emitted when the rule matches.
| Field | Source |
|---|---|
SrcIpAddr | project |
TargetUsername | project |
TimeGenerated | project |
actor_details | project |
auditevents | project |
exported_vault | project |
location_details | project |
session_details | project |