New ET Rules - Lace Tempest / SysAid CVE-2023-47246 Exploitation #4555
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Summary of the Pull Request
This PR adds new ET rules related to Lace Tempest exploitation of SysAid CVE-2023-47246. It also updates multiple webshell rules
Changelog
new: Lace Tempest File Indicators
new: Lace Tempest PowerShell Evidence Eraser
new: Lace Tempest PowerShell Launcher
new: Lace Tempest Cobalt Strike Download
new: Lace Tempest Malware Loader Execution
update: Suspicious Processes Spawned by Java.EXE - Enhance process coverage by adding new processes and removing unrelated ones
update: Webshell Detection With Command Line Keywords - Enhance process coverage by adding new processes and removing unrelated ones
update: Suspicious Process By Web Server Process - Enhance process coverage by adding new processes and removing unrelated ones
Example Log Event
N/A
Fixed Issues
N/A
SigmaHQ Rule Creation Conventions