Ubiquiti - Possible connection to cryptominning pool

Back


Id	7feb3c32-2a11-4eb8-a2d7-e3792b31cb80
Rulename	Ubiquiti - Possible connection to cryptominning pool
Description	Detects connections which may indicate that device is infected with cryptominer.
Severity	Medium
Tactics	CommandAndControl
Techniques	T1071 T1095 T1571
Required data connectors	CustomLogsAma
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiCryptominer.yaml
Version	1.0.2
Arm template	7feb3c32-2a11-4eb8-a2d7-e3792b31cb80.json

KQL

let susp_dst_ports = dynamic(['14433', '14444', '3333', '3334', '3335', '3336', '4444', '45560', '45700', '5555', '5556', '6666', '7777', '8788', '8888', '8899', '9999', '10034']);
UbiquitiAuditEvent
| where ipv4_is_private(SrcIpAddr)
| where ipv4_is_private(DstIpAddr) == 'False'
| where DstPortNumber in (susp_dst_ports)  or (DnsQuery contains 'pool' and DnsQuery contains 'xmr')
| extend IPCustomEntity = SrcIpAddr

YAML

entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
triggerOperator: gt
tactics:
- CommandAndControl
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Ubiquiti UniFi/Analytic Rules/UbiquitiCryptominer.yaml
version: 1.0.2
query: |
  let susp_dst_ports = dynamic(['14433', '14444', '3333', '3334', '3335', '3336', '4444', '45560', '45700', '5555', '5556', '6666', '7777', '8788', '8888', '8899', '9999', '10034']);
  UbiquitiAuditEvent
  | where ipv4_is_private(SrcIpAddr)
  | where ipv4_is_private(DstIpAddr) == 'False'
  | where DstPortNumber in (susp_dst_ports)  or (DnsQuery contains 'pool' and DnsQuery contains 'xmr')
  | extend IPCustomEntity = SrcIpAddr  
triggerThreshold: 0
relevantTechniques:
- T1071
- T1095
- T1571
queryPeriod: 1h
status: Available
severity: Medium
kind: Scheduled
name: Ubiquiti - Possible connection to cryptominning pool
queryFrequency: 1h
id: 7feb3c32-2a11-4eb8-a2d7-e3792b31cb80
description: |
    'Detects connections which may indicate that device is infected with cryptominer.'
requiredDataConnectors:
- dataTypes:
  - Ubiquiti_CL
  connectorId: CustomLogsAma

ARM