Remote Schedule Task Lateral Movement via SASec

 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://docs.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
12modified: 2022/01/01
13tags:
14    - attack.lateral_movement
15    - attack.t1053
16    - attack.t1053.002
17logsource:
18    product: rpc_firewall
19    category: application
20    definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:378e52b0-c0a9-11cf-822d-00aa0051e40f"'
21detection:
22    selection:
23        EventLog: RPCFW
24        EventID: 3
25        InterfaceUuid: 378e52b0-c0a9-11cf-822d-00aa0051e40f
26        OpNum:
27            - 0
28            - 1
29    condition: selection
30falsepositives:
31    - Unknown
32level: high

References

• [MS-TSCH]: Task Scheduler Service Remoting Protocol

  

  Specifies the Task Scheduler Service Remoting Protocol, which is used to register and configure a task and to inquire about the status of tasks

  
  Read More

• MSRPC-to-ATTACK/documents/MS-TSCH.md at ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3 · jsecurity101/MSRPC-to-ATTACK

  

  A repository that maps commonly used attacks using MSRPC protocols to ATT&CK - jsecurity101/MSRPC-to-ATTACK

  
  Read More

• GitHub - zeronetworks/rpcfirewall

  

  Contribute to zeronetworks/rpcfirewall development by creating an account on GitHub.

  
  Read More

• Stopping Lateral Movement via the RPC Firewall - Sagie Dulce

  

  RPC Firewall is a free & open source tool, which detects and protects against RPC based attacks used by ransomware for lateral movement and other attacks

  
  Read More

Related rules

• Remote Schedule Task Lateral Movement via ATSvc
• Remote Schedule Task Lateral Movement via ITaskSchedulerService
• Impacket AtExec Process Activity
• Impacket AtExec Suspicious Registry Modification
• Impacket AtExec Suspicious Temp File Creation