Collected data is staged in a central location or directory prior to Exfiltration. Data may be kept in separate files or combined into one file through techniques such as Data Compressed or Data Encrypted.
Interactive command shells may be used, and common functionality within cmd and bash may be used to copy data into a staging location.
This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features.
TRINITY malware used by FIN6 identifies payment card track data on the victim and then copies it to a local file in a subdirectory of
Pteranodon creates various subdirectories under
Processes that appear to be reading files from disparate locations and writing them to the same directory or file may be an indication of data being staged, especially if they are suspected of performing encryption or compression on the files.
Monitor processes and command-line arguments for actions that could be taken to collect and combine files. Remote access tools with built-in features may interact directly with the Windows API to gather and copy to a location. Data may also be acquired and staged through Windows system management tools such as Windows Management Instrumentation and PowerShell.
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