We have received reports from customers that were approached by service providers that offered compromise assessments with our scanner THOR. Subsequently, it appeared, however, that these providers used THOR Lite in their engagements and, when asked about this, argued...
TryHackMe Training Room for THOR Lite
Since THOR and THOR Lite are tools written for digital forensic experts, they can be difficult to use. There is often a steep learning curve in the beginning. We'd like to help new users pass these first steps in a playful way by providing a TryHackMe challenge in...
THOR 10.6.11 with Support for Apple M1 Architecture
The newest version 10.6.11 of THOR for macOS now has support for Apple's M1 platform. The THOR scanner binary is now a "universal" binary that runs on both supported platforms. You can find a list of supported architectures and operating systems in the respective...
Silent Scanning – Compromise Assessment with THOR Lite on a Compromised Exchange 2019 Server
The following video shows a compromise assessment with our free THOR Lite scanner on a Microsoft Exchange 2019 server detecting ProxyShell and ProxyToken exploitation. We've done no post-editing in this video. You can jump to all findings using the video chapters....
Use YARA math Module Extension in THOR TechPreview and THOR Lite
Not long ago, we've created a pull request for the official YARA repository on Github, that would introduce new functions in the `math` module to improve the flexibility in cases in which a sample is heavily scrambled or obfuscated. These cases require further...
THOR 10.6.8 TechPreview with ETW Watcher to Detect CobaltStrike Beacons
THOR TechPreview version 10.6.8 will introduce a completely new module named ETW Watcher, which runs in a separate thread and monitors the systems during a scan run. As its name indicates, the ETW Watcher module makes use of Event Tracing for Windows (ETW). So,...
New Detection Rules for Exchange Exploitation Activity
Last week, we've released a blog post on how to detect HAFNIUM activity with the use of THOR Lite. Since our first set of rules, we've added several important new rules from fellow researchers and moved even more rules from our commercial set into the open source rule...
Which extra value provides THOR in Exchange ProxyLogon related assessments?
Since we've decided to migrate many of the HAFNIUM / Exchange vulnerability related signatures into the open source signature database of our free scanner THOR Lite, both users of the free and the commercial version started asking questions of coverage and if a scan...
THOR Seed v0.18 Improves Integration with Microsoft Defender ATP
A new version of THOR Seed improves the integration with Microsoft Defender ATP by handling the script termination caused by exceeded timeouts. Due to a runtime limit for all scripts in the Live Response library we had to configure previous versions of THOR Seed to...
THOR Process Memory Matches with Surrounding Strings
Following THOR's approach of showing suspicious elements, it is not feasible to completely avoid false positives. Therefore we always try to provide as much information as possible for an analyst to assess such a suspicious element as quickly as possible. Users liked...
New Features: Progress Bar and HTML Report Filter Functions
We would like to inform you about three new comfort features that will be available in the upcoming THOR versions including THOR Lite. Improved HTML ReportsThe new HTML reports allow analysts to filter elements that turn out to be false positives and remove them from...
Performance Refactoring in THOR v10.5.9 and THOR TechPreview v10.6.2
We are glad to announce significant performance improvements in the latest versions of THOR. We've refactored several processing units to bulk scan elements that have previously been checked each at a time. These changes affect the modules "Eventlog", "Registry",...