Armed with a list of IP addresses and ranges to scan, you need to probe the network looking for SQL Servers. Most...
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scanning tools will work off of some combination of TCP port 1433 scanning, using UDP port 1434 packets to query the SQL Resolution Service, or query the remote registry and file system. There are quite a few tools available to help you in those tasks. Among them are:
- A port scanner such as NMAP
- Typhon III
- Microsoft Baseline Security Analyzer
It should be noted that many of these scans will not return results in the case of personal firewalls, disabled netlibs, or a lack of appropriate rights on the machines being scanned.
HOW TO PATCH SQL SERVER, PART 1
Step 1: Map your network
Step 2: Perform an active scan
Step 3: Check for SQL registrations
Step 4: Probe remote services
Step 5: Probe for SSNetlib.dll versions
Step 6: Directly request version information
Go to: How to patch SQL Servers, part 2
ABOUT THE AUTHOR:
Chip Andrews is the director of research and development for Special Ops Security Inc. and the founder of the SQLSecurity.com Web site, which focuses on Microsoft SQL Server security topics and issues. He is also the author of SQL Server Security.