Query: rule covering Detects use of Cobalt Strike commands accidentally entered in the CMD shell
Matching passage: Sigma rule: Detects use of Cobalt Strike commands accidentally entered in the CMD shell. Logsource: windows / process_creation. Rule: title: Operator Bloopers Cobalt Strike Commands id: 647c7b9e-d784-4fda-b9a0-45c565a7b729 related: - id: 4f154fb6-27d1-4813-a759-78b93e0b9c48 type: similar status: test description: Detects use of Cobalt Strike commands accidentally entered in the CMD shell references: - https://hstechdocs.helpsystems.com/manuals/cobaltstrike/current/userguide/content/cobalt-4-5-user-guide.pdf - https://thedfirreport.com/2021/10/04/bazarloader-and-the-conti-leaks/ - https://thedfirreport.com/2022/06/16/sans-ransomware-summit-2022-can-you-detect-this/ author: _pete_0, TheDFIRReport date: 2022-05-06 modified: 2023-01-30 tags: - attack.execution - attack.t1059.003 - stp.1u logsource: category: process_creation product: windows detection: selection_img: - OriginalFileName: Cmd.Exe - Image|endswith: \cmd.exe selection_cli: CommandLine|startswith: - 'cmd ' - cmd.exe - c:\windows\system32\cmd.exe CommandLine|contains: - psinject - spawnas - make_token - remote-exec - rev2self - dcsync - logonpasswords - execute-assembly - getsystem condition: all of selection_* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects when an attacker modifies values of the Disk Cleanup Handler in the registry to achieve persistence via autorun.. Logsource: windows / registry_set. Rule: title: Persistence Via Disk Cleanup Handler - Autorun id: d4e2745c-f0c6-4bde-a3ab-b553b3f693cc status: test description: 'Detects when an attacker modifies values of the Disk Cleanup Handler in the registry to achieve persistence via autorun. The disk cleanup manager is part of the operating system. It displays the dialog box […] The user has the option of enabling or disabling individual handlers by selecting or clearing their check box in the disk cleanup manager''s UI. Although Windows comes with a number of disk cleanup handlers, they aren''t designed to handle files produced by other applications. Instead, the disk cleanup manager is designed to be flexible and extensible by enabling any developer to implement and register their own disk cleanup handler. Any developer can extend the available disk cleanup services by implementing and registering a disk cleanup handler. ' references: - https://persistence-info.github.io/Data/diskcleanuphandler.html - https://www.hexacorn.com/blog/2018/09/02/beyond-good-ol-run-key-part-86/ author: Nasreddine Bencherchali (Nextron Systems) date: 2022-07-21 modified: 2023-08-17 tags: - attack.persistence logsource: category: registry_set product: windows detection: root: TargetObject|contains: \SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\ selection_autorun: TargetObject|contains: \Autorun Details: DWORD (0x00000001) selection_pre_after: TargetObject|contains: - \CleanupString - \PreCleanupString Details|contains: - cmd - powershell - rundll32 - mshta - cscript - wscript - wsl - \Users\Public\ - \Windows\TEMP\ - \Microsoft\Windows\Start Menu\Programs\Startup\ condition: root and 1 of selection_* falsepositives: - Unknown level: medium