title: PUA - CSExec Default Named Pipe id: f318b911-ea88-43f4-9281-0de23ede628e related: - id: 9e77ed63-2ecf-4c7b-b09d-640834882028 type: obsolete status: test description: Detects default CSExec pipe creation references: - https://drive.google.com/file/d/1lKya3_mLnR3UQuCoiYruO3qgu052_iS_/view - https://github.com/malcomvetter/CSExec author: Nikita Nazarov, oscd.community, Nasreddine Bencherchali (Nextron Systems) date: 2023-08-07 modified: 2023-11-30 tags: - attack.lateral-movement - attack.t1021.002 - attack.execution - attack.t1569.002 logsource: product: windows category: pipe_created definition: 'Note that you have to configure logging for Named Pipe Events in Sysmon config (Event ID 17 and Event ID 18). The basic configuration is in popular sysmon configuration (https://github.com/SwiftOnSecurity/sysmon-config), but it is worth verifying. You can also use other repo, e.g. https://github.com/Neo23x0/sysmon-config, https://github.com/olafhartong/sysmon-modular. How to test detection? You can check powershell script from this site https://svch0st.medium.com/guide-to-named-pipes-and-hunting-for-cobalt-strike-pipes-dc46b2c5f575' detection: selection: PipeName|contains: '\csexecsvc' condition: selection falsepositives: - Legitimate Administrator activity level: medium