Query: Sigma YAML for linux / process_creation
Matching passage: Sigma rule: Detects execution of the bash shell with the interactive flag "-i".. Logsource: linux / process_creation. Rule: title: Bash Interactive Shell id: 6104e693-a7d6-4891-86cb-49a258523559 status: test description: Detects execution of the bash shell with the interactive flag "-i". references: - https://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet - https://www.revshells.com/ - https://linux.die.net/man/1/bash author: '@d4ns4n_' date: 2023-04-07 tags: - attack.execution logsource: category: process_creation product: linux detection: selection: Image|endswith: /bash CommandLine|contains: ' -i ' condition: selection falsepositives: - Unknown level: low
Near-miss passage: Sigma rule: Detects execution and usage of the DSInternals PowerShell module. Which can be used to perform what might be considered. Logsource: windows / ps_script. Rule: title: DSInternals Suspicious PowerShell Cmdlets - ScriptBlock id: 846c7a87-8e14-4569-9d49-ecfd4276a01c related: - id: 43d91656-a9b2-4541-b7e2-6a9bd3a13f4e type: similar status: test description: 'Detects execution and usage of the DSInternals PowerShell module. Which can be used to perform what might be considered as suspicious activity such as dumping DPAPI backup keys or manipulating NTDS.DIT files. The DSInternals PowerShell Module exposes several internal features of Active Directory and Azure Active Directory. These include FIDO2 and NGC key auditing, offline ntds.dit file manipulation, password auditing, DC recovery from IFM backups and password hash calculation. ' references: - https://github.com/MichaelGrafnetter/DSInternals/blob/39ee8a69bbdc1cfd12c9afdd7513b4788c4895d4/Src/DSInternals.PowerShell/DSInternals.psd1 author: Nasreddine Bencherchali (Nextron Systems) date: 2024-06-26 tags: - attack.execution - attack.t1059.001 logsource: product: windows category: ps_script definition: 'Requirements: Script Block Logging must be enabled' detection: selection: ScriptBlockText|contains: - Add-ADDBSidHistory - Add-ADNgcKey - Add-ADReplNgcKey - ConvertFrom-ADManagedPasswordBlob - ConvertFrom-GPPrefPassword - ConvertFrom-ManagedPasswordBlob - ConvertFrom-UnattendXmlPassword - ConvertFrom-UnicodePassword - ConvertTo-AADHash - ConvertTo-GPPrefPassword - ConvertTo-KerberosKey - ConvertTo-LMHash - ConvertTo-MsoPasswordHash - ConvertTo-NTHash - ConvertTo-OrgIdHash - ConvertTo-UnicodePassword - Disable-ADDBAccount - Enable-ADDBAccount - Get-ADDBAccount - Get-ADDBBackupKey - Get-ADDBDomainController - Get-ADDBGroupManagedServiceAccount - Get-ADDBKdsRootKey - Get-ADDBSchemaAttribute - Get-ADDBServiceAccount - Get-ADDefaultPasswordPolicy - Get-ADKeyCredential - Get-ADPasswordPolicy - Get-ADReplAccount - Get-ADReplBackupKey - Get-ADReplicationAccount - Get-ADSIAccount - Get-AzureADUserEx - Get-BootKey - Get-KeyCredential - Get-LsaBackupKey - Get-LsaPolicy - Get-SamPasswordPolicy - Get-SysKey - Get-SystemKey - New-ADDBRestoreFromMediaScript - New-ADKeyCredential - New-ADNgcKey - New-NTHashSet - Remove-ADDBObject - Save-DPAPIBlob - Set-ADAccountPasswordHash - Set-ADDBAccountPassword - Set-ADDBBootKey - Set-ADDBDomainController - Set-ADDBPrimaryGroup - Set-ADDBSysKey - Set-AzureADUserEx - Set-LsaPolicy - Set-SamAccountPasswordHash - Set-WinUserPasswordHash - Test-ADDBPasswordQuality - Test-ADPasswordQuality - Test-ADReplPasswordQuality - Test-PasswordQuality - Unlock-AD