Printer Migration Command-Line Tool Located at: C:\Windows\System32\spool\tools\PrintBrm.exe.
printbrmprintbrmSandbox: execFile · Timeout: 30s
network.transfer.download system.file.alternate-data-stream Outputs
process.output Command execution output
filesystem_writenetwork_traffic Produces
process.output| Resource | Value |
|---|---|
| CPU | low |
| Memory | 16 MB |
| Network | medium |
| Disk I/O | low |
Create a ZIP file from a folder in a remote drive (Exfiltrate the contents of a remote folder on a UNC share into a zip file)
PrintBrm -b -d {PATH_SMB:folder} -f {PATH_ABSOLUTE:.zip}Extract the contents of a ZIP file stored in an Alternate Data Stream (ADS) and store it in a folder (Decompress and extract a ZIP file stored on an alternate data stream to a new folder)
PrintBrm -r -f {PATH_ABSOLUTE}:hidden.zip -d {PATH_ABSOLUTE:folder}| Type | Rule / Indicator |
|---|---|
| sigma | https://github.com/SigmaHQ/sigma/blob/35a7244c62820fbc5a832e50b1e224ac3a1935da/rules/windows/process_creation/proc_creation_win_lolbin_printbrm.yml |
| ioc | PrintBrm.exe should not be run on a normal workstation |
printbrm is a Windows LOLBin. Printer Migration Command-Line Tool Located at: C:\Windows\System32\spool\tools\PrintBrm.exe.