Query: rule covering Detects execution and usage of the DSInternals PowerShell module. Which can be used to perform what might be considered
Matching 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
Near-miss passage: Sigma rule: Detects programs that connect to known malware callback ports based on statistical analysis from two different sandbox s. Logsource: windows / network_connection. Rule: title: Potentially Suspicious Malware Callback Communication id: 4b89abaa-99fe-4232-afdd-8f9aa4d20382 related: - id: 6d8c3d20-a5e1-494f-8412-4571d716cf5c type: similar status: test description: 'Detects programs that connect to known malware callback ports based on statistical analysis from two different sandbox system databases ' references: - https://docs.google.com/spreadsheets/d/17pSTDNpa0sf6pHeRhusvWG6rThciE8CsXTSlDUAZDyo author: Florian Roth (Nextron Systems) date: 2017-03-19 modified: 2024-03-12 tags: - attack.persistence - attack.command-and-control - attack.t1571 logsource: category: network_connection product: windows detection: selection: Initiated: 'true' DestinationPort: - 100 - 198 - 200 - 243 - 473 - 666 - 700 - 743 - 777 - 1443 - 1515 - 1777 - 1817 - 1904 - 1960 - 2443 - 2448 - 3360 - 3675 - 3939 - 4040 - 4433 - 4438 - 4443 - 4444 - 4455 - 5445 - 5552 - 5649 - 6625 - 7210 - 7777 - 8143 - 8843 - 9631 - 9943 - 10101 - 12102 - 12103 - 12322 - 13145 - 13394 - 13504 - 13505 - 13506 - 13507 - 14102 - 14103 - 14154 - 49180 - 65520 - 65535 filter_main_local_ranges: DestinationIp|cidr: - 127.0.0.0/8 - 10.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 - 169.254.0.0/16 - ::1/128 - fe80::/10 - fc00::/7 filter_optional_sys_directories: Image|startswith: - C:\Program Files\ - C:\Program Files (x86)\ condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Unknown level: high