Individual skill
pentesting-mssql
Testing Microsoft SQL Server (default port 1433, UDP 1434 browser) for default/weak SA credentials, Windows-auth and NTLM relay/coercion, xp_cmdshell OS command execution, linked-server lateral movement, and OLE/BULK file read-write primitives during authorized engagements.
internal/tools/skills/data/network-services-pentesting/pentesting-mssql/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Last checked
- Nov 7, 2026
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Repository context
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- 1,313
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- penetration-testing Declared skill tag
- network-services Declared skill tag
- database Declared skill tag
- mssql Declared skill tag
- data Derived category
- testing Derived category
- data-databases Derived category
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# Pentesting MSSQL (port 1433)
## When to Use
- Default port `1433/tcp` (engine), `1434/udp` (SQL Server Browser for instance discovery), named instances on dynamic ports.
- Banner like `Microsoft SQL Server 2017 14.00.1000.00`; common in Active Directory environments where MSSQL service accounts and linked servers enable lateral movement.
- Use with recovered creds, Windows/Kerberos auth, or to coerce NTLM authentication from the SQL service account.
- Note: managed DBaaS (Amazon RDS) disables `xp_cmdshell` and `TRUSTWORTHY` — pivot to app-layer / data exfil there.
## Quick Enumeration
```bash
# Instance discovery + info (no creds needed for ms-sql-info / ntlm-info)
nmap -sV -p1433 --script ms-sql-info,ms-sql-ntlm-info,ms-sql-empty-password,ms-sql-config,ms-sql-dac \
--script-args mssql.instance-port=1433 <IP>
msfconsole -q -x 'use auxiliary/scanner/mssql/mssql_ping; set RHOSTS <IP>; run; exit'