Remote Registry Recon

Detects remote RPC calls to collect information

Sigma rule (View on GitHub)

 1title: Remote Registry Recon
 2id: d8ffe17e-04be-4886-beb9-c1dd1944b9a8
 3status: test
 4description: Detects remote RPC calls to collect information
 5references:
 6    - https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-rrp/0fa3191d-bb79-490a-81bd-54c2601b7a78
 7    - https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-RRP.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.discovery
15logsource:
16    product: rpc_firewall
17    category: application
18    definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:338cd001-2244-31f1-aaaa-900038001003"'
19detection:
20    selection:
21        EventLog: RPCFW
22        EventID: 3
23        InterfaceUuid: 338cd001-2244-31f1-aaaa-900038001003
24    filter:
25        OpNum:
26            - 6
27            - 7
28            - 8
29            - 13
30            - 18
31            - 19
32            - 21
33            - 22
34            - 23
35            - 35
36    condition: selection and not filter
37falsepositives:
38    - Remote administration of registry values
39level: high

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