Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
39 changes: 39 additions & 0 deletions yml/OtherMSBinaries/Bcp.yml
Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
---
Name: Bcp.exe
Description: Microsoft SQL Server Bulk Copy Program utility for importing and exporting data between SQL Server instances and data files.
Author: Mahir Ali Khan
Created: 2025-11-13
Commands:
- Command: bcp "SELECT payload_data FROM database.dbo.payloads WHERE id=1" queryout "C:\Windows\Temp\payload.exe" -S localhost -T -c
Description: Export binary payload stored in SQL Server database to file system.
Usecase: Extract malicious executable from database storage to local file system for execution.
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows
Full_Path:
- Path: C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\bcp.exe
- Path: C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn\bcp.exe
- Path: C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\110\Tools\Binn\bcp.exe
- Path: C:\Program Files (x86)\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn\bcp.exe
- Path: C:\Program Files (x86)\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn\bcp.exe
- Path: C:\Program Files (x86)\Microsoft SQL Server\Client SDK\ODBC\110\Tools\Binn\bcp.exe
- Path: C:\Program Files (x86)\Microsoft SQL Server\120\Tools\Binn\bcp.exe
Detection:
- IOC: Process creation of bcp.exe with queryout or Out parameter
- IOC: bcp.exe writing executable files to temp or users directories
- IOC: Network connections from bcp.exe to SQL Server followed by file creation
- IOC: Event ID 4688 - Process creation for bcp.exe
- IOC: Event ID 4663 - File system access by bcp.exe
- Sigma: https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/proc_creation_win_bcp_export_data.yml
Resources:
- Link: https://docs.microsoft.com/en-us/sql/tools/bcp-utility
- Link: https://asec.ahnlab.com/en/61000/
- Link: https://asec.ahnlab.com/en/78944/
- Link: https://www.huntress.com/blog/attacking-mssql-servers
- Link: https://www.huntress.com/blog/attacking-mssql-servers-pt-ii
- Link: https://news.sophos.com/en-us/2024/08/07/sophos-mdr-hunt-tracks-mimic-ransomware-campaign-against-organizations-in-india/
- Link: https://research.nccgroup.com/2018/03/10/apt15-is-alive-and-strong-an-analysis-of-royalcli-and-royaldns/
Acknowledgement:
- Person: Mahir Ali Khan
Handle: '@mahiralikhan07'