![]() ![]() ProcMon = to investigate if there were any indicators on why the agent was not operating as it should.ProcExp = to inspect the agent process, its properties, and associated threads and handles.Real-world scenario: As a security engineer, I had to work with vendors to troubleshoot why an agent wasn’t responding on an endpoint - the tools used were ProcExp, ProcMon, and ProcDump. ![]() You should know or be familiar with the Sysinternals tools whether you’re a Desktop Engineer, Systems Analyst, or Security Engineer. When you read the Sysinternals documentation, it might hint these tools are for troubleshooting purposes only, but that is not entirely the case. What is the text within the ADS?Īnswer: C:\agent\_work\112\s\Win32\Release\ZoomIt.pdb There is a txt file on the desktop named file.txt. When you download a file from the Internet unto an endpoint, there are identifiers written to ADS to identify that it was downloaded from the Internet. ![]() Malware writers have used ADS to hide data in an endpoint, but not all its uses are malicious. There are 3rd party executables that can be used to view this data, but Powershell gives you the ability to view ADS for files. Natively Window Explorer doesn’t display ADS to the user. Every file has at least one data stream ($DATA) and ADS allows files to contain more than one stream of data. By default, all data is stored in a file’s main unnamed data stream, but by using the syntax ‘file:stream’, you are able to read and write to alternates.” ( official definition)Īlternate Data Streams (ADS) is a file attribute specific to Windows NTFS (New Technology File System). “The NTFS file system provides applications the ability to create alternate data streams of information. What service needs to be enabled on the local host to interact with ?Īnswer: webclient Task 4. Now that we got that out of the way time to start exploring some of these tools. ![]()
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