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Ssis-913 __exclusive__

SSIS-913 Error: A Troubleshooting Guide

Are you encountering the SSIS-913 error while working with SQL Server Integration Services? This error code can be quite generic, often relating to issues with the package execution, connections, or permissions. In this post, we'll explore common causes and potential solutions to help you resolve the issue.

Technical Details (What Happened)

  • Attack vector
    • Initial access: credential compromise (plain-text credentials on a network share accessible to attackers from an exposed jump host).
    • Privilege escalation: abused elevated SQL permissions to alter SSISDB catalog.
  • Malicious modifications
    • Script Tasks within .dtsx files replaced with obfuscated C# code that:
      • Downloaded further payloads (DLLs) via HTTPS from attacker-controlled domains.
      • Used reflection to load and execute the payload in-process.
      • Exfiltrated configuration data and flat files to remote endpoints.
  • Persistence & spread
    • Created new SQL Agent jobs executing altered packages.
    • Planted scheduled tasks on Windows hosts to trigger package changes at low-traffic hours.
  • Data integrity impact
    • Some transformed tables received corrupted or manipulated rows (intentional data tampering).
    • Audit trails were partially altered to hide tampering attempts.

4. Systematic troubleshooting checklist

| Step | Action | What you’re looking for | |------|--------|------------------------| | A. Identify the offending component | Open Progress tab in SSDT, locate the line that contains “SSIS‑913”. | It will read The component "<ComponentName>" (##) failed validation …. | | B. Verify the upstream schema | Run the exact SQL query the source component uses (right‑click → Show Advanced Editor → Component Properties → SqlCommand). | Does the result set contain the missing column? | | C. Check for dynamic SQL | Look for expressions that build the SQL statement (@[User::SqlCmd], @[User::TableName]). | If you see SELECT *, consider replacing it with an explicit column list. | | D. Refresh metadata | In the source component, click Refresh (or Preview → Refresh). In downstream components, right‑click → Show Advanced Editor → Input and Output Properties → Refresh. | The component now knows the current column list. | | E. Re‑map columns | If a column was renamed, open the downstream component’s Input and Output Properties, find the old column, and map it to the new name (or delete the stale mapping). | No more dangling references. | | F. Re‑build the data flow (if the above fails) | Delete the offending component and drop it back onto the canvas, reconnect the arrows, and re‑configure its properties. | Guarantees a clean metadata state. | | G. Turn off “ValidateExternalMetadata” (last resort) | Set ValidateExternalMetadata = False on the source component (Properties window). | The engine will skip the pre‑execution validation and let the component fail at run‑time instead. Use only when you know the column will be there at execution. | | H. Upgrade / Patch | Ensure you are on the latest cumulative update for your SQL Server version. Some early SSIS releases had bugs that caused phantom 913 errors when using DataReader Source or ADO.NET Source. | Eliminates known product bugs. |

Common Causes

  1. Connection Issues: One of the most common causes is a problem with the connections used in your SSIS package. This could be due to incorrect connection strings, server not found errors, or lack of permissions to access the database. SSIS-913

  2. Package Validation Errors: Sometimes, the package itself might have validation errors. This could be due to incorrect configurations, variables not being set properly, or tasks not being correctly configured.

  3. Permissions Issues: If the account executing the SSIS package does not have the necessary permissions on the SQL Server or the file system, you might encounter this error.

  4. 64-bit vs. 32-bit Mismatches: If your environment and the executables or drivers you're using (like Excel or databases) are not correctly matched in terms of 32-bit vs. 64-bit, it could lead to errors. SSIS-913 Error: A Troubleshooting Guide Are you encountering

7. A quick PowerShell sanity‑check script

If you want to automatically scan a folder of .dtsx files for potential SSIS‑913 triggers, the script below parses the XML for any ValidateExternalMetadata set to True on components that use SELECT *.

# SSIS-913 pre‑flight scanner
param(
    [string]$PackageFolder = "C:\SSIS\Packages",
    [switch]$Verbose
)
$files = Get-ChildItem -Path $PackageFolder -Filter *.dtsx -Recurse
foreach($file in $files)
    [xml]$xml = Get-Content $file.FullName
    $sources = $xml.SelectNodes("//DTS:Executable[@DTS:refId]//DTS:Component[@DTS:ComponentClassID='...OleDbSource...']", $null)
    foreach($src in $sources)
        $sql = $src.SelectSingleNode(".//DTS:Property[@DTS:Name='SqlCommand']").'#text'
        $validate = $src.SelectSingleNode(".//DTS:Property[@DTS:Name='ValidateExternalMetadata']").'#text'
        if($sql -match 'SELECT\s+\*' -and $validate -eq 'True')
            Write-Host "Potential SSIS‑913: $($file.FullName) – OLE DB Source uses SELECT *" -ForegroundColor Yellow

Run this nightly as part of your CI pipeline; any warnings become a ticket for a developer to replace the wildcard with an explicit column list.

4.2 Authentication & Security

| Action | How‑to | |--------|--------| | Refresh service account password | Update the password in the Connection Manager and in the SQL Server Credential (if using EXECUTE AS). | | Enable Kerberos delegation | Register a proper SPN for the SQL Server service (MSSQLSvc/servername:1433) and set the service account’s Trust this user for delegation flag. | | Force TLS version | Add Encrypt=True;TrustServerCertificate=False; and optionally TLS Version=1.2 (requires driver ≥ 18). | | Switch to Integrated Security | If possible, use Integrated Security=SSPI; and run the package under a domain account that has direct DB rights. | | Check Azure AD authentication | For Azure SQL, use Authentication=Active Directory Integrated; and confirm the token acquisition works. | Attack vector

Conclusion

Understanding SSIS-913: A Comprehensive Guide to Error Resolution

In the realm of data integration and business intelligence, Microsoft's SQL Server Integration Services (SSIS) plays a pivotal role. It is a powerful tool used for building enterprise-level data integration and workflow solutions. However, like any complex software, SSIS is not immune to errors. One such error that has been a point of concern for many SSIS users is the SSIS-913 error. This article aims to provide an in-depth understanding of the SSIS-913 error, its causes, and most importantly, how to resolve it.

Example Detection Rule (Conceptual)

  • SIEM rule: if process_name == "DTExec.exe" or process_parent == "sqlservr.exe" AND child_process == "powershell.exe" within ETL host group -> generate high-severity alert and automatically suspend job scheduling for that host until reviewed.

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