Skip to content

Conversation

@rabbitstack
Copy link
Owner

What is the purpose of this PR / why it is needed?

Identifies the execution of scripts via Microsoft HTML Application Host interpreter. Adversaries can proxy the execution of arbitrary script code through a trusted, signed utility to evade defenses.

What type of change does this PR introduce?


Uncomment one or more /kind <> lines:

/kind feature (non-breaking change which adds functionality)

/kind bug-fix (non-breaking change which fixes an issue)

/kind refactor (non-breaking change that restructures the code, while not changing the original functionality)

/kind breaking (fix or feature that would cause existing functionality to not work as expected

/kind cleanup

/kind improvement

/kind design

/kind documentation

/kind other (change that doesn't pertain to any of the above categories)

Any specific area of the project related to this PR?


Uncomment one or more /area <> lines:

/area instrumentation

/area telemetry

/area rule-engine

/area filters

/area yara

/area event

/area captures

/area alertsenders

/area outputs

/area rules

/area filaments

/area config

/area cli

/area tests

/area ci

/area build

/area docs

/area deps

/area other

Special notes for the reviewer


Does this PR introduce a user-facing change?


@rabbitstack rabbitstack added the rules Anything related to detection rules label Apr 9, 2025
@rabbitstack rabbitstack force-pushed the script-execution-via-mshta branch from 72af00b to 3b3eb80 Compare April 9, 2025 16:19
@rabbitstack rabbitstack changed the title feat(rules): HTML Application script execution feat(rules): New HTML Application script execution rule Apr 9, 2025
Identifies the execution of scripts via Microsoft HTML Application Host interpreter. Adversaries can proxy the execution of arbitrary script code through a trusted, signed utility to evade defenses.
@rabbitstack rabbitstack force-pushed the script-execution-via-mshta branch from 3b3eb80 to df81cc6 Compare April 11, 2025 15:45
@rabbitstack rabbitstack changed the title feat(rules): New HTML Application script execution rule feat(rules): New Suspicious HTML Application script execution rule Apr 11, 2025
@rabbitstack rabbitstack merged commit e624865 into master Apr 15, 2025
9 checks passed
@rabbitstack rabbitstack deleted the script-execution-via-mshta branch April 15, 2025 20:14
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

rules Anything related to detection rules

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants