The Sysinternals web site was created in 1996 by Mark Russinovich to host his advanced system utilities and technical information. Whether you’re an IT Pro or a developer, you’ll find Sysinternals utilities to help you manage, troubleshoot and diagnose your Windows systems and applications.
- Read the official guide to the Sysinternals tools, Troubleshooting with the Windows Sysinternals Tools
- Read the Sysinternals Blog for a detailed change feed of tool updates
- Watch Mark's Sysinternals Update videos on YouTube
- Watch Mark’s top-rated Case-of-the-Unexplained troubleshooting presentations and other webcasts
- Read Mark’s Blog which highlight use of the tools to solve real problems
- Check out the Sysinternals Learning Resources page
- Post your questions in the Sysinternals Forum
Sysinternals Live is a service that enables you to execute Sysinternals tools directly from the Web without hunting for and manually downloading them. Simply enter a tool's Sysinternals Live path into Windows Explorer or a command prompt as live.sysinternals.com/<toolname> or \\live.sysinternals.com\tools\<toolname>.
You can view the entire Sysinternals Live tools directory in a browser at https://live.sysinternals.com/.
What's New (January 11, 2021)
This update to Sysmon adds a process image tampering event that reports when the mapped image of a process doesn’t match the on-disk image file, or the image file is locked for exclusive access. These indicators are triggered by process hollowing and process herpaderping. This release also includes several bug fixes, including fixes for minor memory leaks.
Process Monitor v3.61
This update to Process Monitor adds monitoring for RegSaveKey, RegLoadKey and RegRestoreKey APIs, as well as fixes a bug in the details output for some types of directory queries.
What's New (November 04, 2020)
This release of AdExplorer, an Active Directory (AD) viewer and editor, adds support for exporting data from the "Compare" dialog and is now available for x64 and ARM64.
Disk Usage (DU) v1.62
This release of Disk Usage (DU), a tool for viewing disk usage information, now also accounts for the MFT (Master File Table), removes the MAX_PATH limitation and is now available for ARM64.
What's New (October 15, 2020)
This update to VMMap, a utility that reports the virtual memory layout of a process, identifies .NET Core 3.0 managed heaps.
This release to RAMMap, a utility that analyzes and displays physical memory usage, adds customizable map colors and a new command line option, -e, to empty the different types of system working sets.
What's New (September 17, 2020)
In addition to several bug fixes, this major update to Sysmon adds support for capturing clipboard operations to help incident responders retrieve attacker RDP file and command drops, including originating remote machine IP addresses.
Process Monitor v3.60
This update to Process Monitor, a utility that logs process file, network and registry activity, adds support for multiple filter item selection, as well as decoding for new file system control operations and error status codes.
This release of Procdump, a flexible tool for manual and trigger-based process dump generation, adds support for dump cancellation and CoreCLR processes.
In addition, several tools have been newly ported to and are now available for ARM64. These include: AdInsight v1.2, AutoLogon v3.1, Autoruns v13.98, ClockRes v2.1, DebugView v4.9, DiskExt v1.2, FindLinks v1.1, Handle v4.22, Hex2Dec v1.1, Junction v1.07, PendMoves v1.02, PipeList v1.02, Procdump v10.0, Process Explorer v16.32, RegDelNull v1.11, RU v1.2, Sigcheck v2.8, Streams v1.6, Sync v2.2, VMMap v3.26, WhoIs v1.21 and ZoomIt v4.52. Download all ARM64 tools in a single download with the Sysinternals Suite for ARM64.
What's New (June 24, 2020)
This update to Sysmon now captures stream content for alternate data streams into logged events, which is useful for investigating downloads tagged with ‘Mark of the Web’ (MOTW) streams, introduces an ‘is-any’ filter condition, and fixes several bugs.
Sigcheck, a flexible tool for showing file versions, file signatures, and certificate stores, introduces a -p option for specifying a trust GUID for signature verification, and it now shows certificate signing chains even when a certificate in the chain is untrusted.
Sysinternals June 24 Update Video
Mark Russinovich covers what’s new in this update, with demos of Sysmon’s alternate data stream content capture and new features in Sigcheck.
What's New (April 28, 2020)
This major update to Sysmon includes file delete monitoring and archive to help responders capture attacker tools, adds an option to disable reverse DNS lookup, replaces empty fields with ‘-‘ to work around a WEF bug, fixes an issue that caused some ProcessAccess events to drop, and doesn’t hash main data streams that are marked as being stored in the cloud.
Sysinternals April 27 Update Video
Mark Russinovich covers what’s new in this update, with a demo of Sysmon’s new file delete monitoring and capture capability.