cobbr/Covenant

DotNetToJScript-based Launchers Don't Work on Some Versions of Windows 10 / Windows Server 2016

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#28 opened on May 15, 2019

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 (6 comments) (0 reactions) (0 assignees)C# (825 forks)batch import
help wantedlow-prioritywontfix

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Description

Hello. After the upgrade, the launch of the payload error appears (mshta, Regsvr32).

An error has occurred in the script on htis page. Line: 229 Char: 1 Error: Binary stream '90' does not contain a valid BinaryHeader. Possible causes are invalid stream or object version change between serialization and deserialization Code: 0

Contributor guide

Research direction
Investigate the binary serialization issue in DotNetToJScript launcher; ensure the BinaryHeader is correctly generated.
Tech stack
csharp
Domain
security
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C#.NET
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40