PUA - Sysinternals Tools Execution - Registry

 1title: PUA - Sysinternals Tools Execution - Registry
 2id: c7da8edc-49ae-45a2-9e61-9fd860e4e73d
 3related:
 4    - id: 25ffa65d-76d8-4da5-a832-3f2b0136e133
 5      type: derived
 6    - id: 9841b233-8df8-4ad7-9133-b0b4402a9014
 7      type: obsoletes
 8status: test
 9description: Detects the execution of some potentially unwanted tools such as PsExec, Procdump, etc. (part of the Sysinternals suite) via the creation of the "accepteula" registry key.
10references:
11    - https://twitter.com/Moti_B/status/1008587936735035392
12author: Nasreddine Bencherchali (Nextron Systems)
13date: 2022/08/24
14modified: 2023/02/07
15tags:
16    - attack.resource_development
17    - attack.t1588.002
18logsource:
19    product: windows
20    category: registry_add
21detection:
22    selection:
23        EventType: CreateKey
24        TargetObject|contains:
25            - '\Active Directory Explorer'
26            - '\Handle'
27            - '\LiveKd'
28            - '\Process Explorer'
29            - '\ProcDump'
30            - '\PsExec'
31            - '\PsLoglist'
32            - '\PsPasswd'
33            - '\SDelete'
34            - '\Sysinternals' # Global level https://twitter.com/leonzandman/status/1561736801953382400
35        TargetObject|endswith: '\EulaAccepted'
36    condition: selection
37falsepositives:
38    - Legitimate use of SysInternals tools. Filter the legitimate paths used in your environment
39level: medium