Remote Schedule Task Lateral Movement via SASec

calendar Oct 23, 2025 · attack.privilege-escalation attack.lateral-movement attack.execution attack.persistence attack.t1053 attack.t1053.002  ·
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Detects remote RPC calls to create or execute a scheduled task via SASec

Sigma rule (View on GitHub)

 1title: Remote Schedule Task Lateral Movement via SASec
 2id: aff229ab-f8cd-447b-b215-084d11e79eb0
 3status: test
 4description: Detects remote RPC calls to create or execute a scheduled task via SASec
 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.privilege-escalation
14    - attack.lateral-movement
15    - attack.execution
16    - attack.persistence
17    - attack.t1053
18    - attack.t1053.002
19logsource:
20    product: rpc_firewall
21    category: application
22    definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:378e52b0-c0a9-11cf-822d-00aa0051e40f"'
23detection:
24    selection:
25        EventLog: RPCFW
26        EventID: 3
27        InterfaceUuid: 378e52b0-c0a9-11cf-822d-00aa0051e40f
28        OpNum:
29            - 0
30            - 1
31    condition: selection
32falsepositives:
33    - Unknown
34level: high

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