Remote Schedule Task Lateral Movement via ITaskSchedulerService

Detects remote RPC calls to create or execute a scheduled task

Sigma rule (View on GitHub)

 1title: Remote Schedule Task Lateral Movement via ITaskSchedulerService
 2id: ace3ff54-e7fd-46bd-8ea0-74b49a0aca1d
 3status: test
 4description: Detects remote RPC calls to create or execute a scheduled task
 5references:
 6    - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/d1058a28-7e02-4948-8b8d-4a347fa64931
 7    - https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-TSCH.md
 8    - https://github.com/zeronetworks/rpcfirewall
 9    - https://zeronetworks.com/blog/stopping-lateral-movement-via-the-rpc-firewall/
10author: Sagie Dulce, Dekel Paz
11date: 2022-01-01
12tags:
13    - attack.lateral-movement
14    - attack.t1053
15    - attack.t1053.002
16logsource:
17    product: rpc_firewall
18    category: application
19    definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:86d35949-83c9-4044-b424-db363231fd0c"'
20detection:
21    selection:
22        EventLog: RPCFW
23        EventID: 3
24        InterfaceUuid: 86d35949-83c9-4044-b424-db363231fd0c
25        OpNum:
26            - 1
27            - 3
28            - 4
29            - 10
30            - 11
31            - 12
32            - 13
33            - 14
34            - 15
35    condition: selection
36falsepositives:
37    - Unknown
38level: high

References

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