Rohan Vazarkar
Adversary Resilience Operator
Ilchester, Maryland, United States
Summary
🤩
Rockstar🎓
Top SchoolRohan Vazarkar is an experienced adversary resilience operator and senior developer with 12 years in computer and network security, best known as a co-developer and continuing contributor to the widely used BloodHound suite. At SpecterOps he blends hands-on C# back-end engineering, Active Directory data collection, and tooling for security assessments with practical pen-testing expertise gained at Veris Group. His open-source contributions span core collectors (SharpHound2/3), database tooling, and front-end/reporting fixes for projects like EyeWitness, showing comfort across full-stack security tooling. Rohan’s work demonstrates deep Active Directory protocol knowledge — from group membership and DC enumeration to credential handling and GDPR-style data hygiene — and an attention to maintainability evidenced by refactors and dependency updates. Based in Ilchester, Maryland, he pairs academic CS training with a track record of turning offensive security research into reliable, production-grade tooling used by red and blue teams alike.
12 years of coding experience
1 year of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Towson UniversityHoward Community College
Hindi, Marathi
Github Skills (37)
data-generation10
json10
ldap10
javascript10
python10
object-oriented-programming10
netframework10
neo4j10
regular-expression10
active-directory10
database-design10
dotnet-core10
html10
csharp10
selenium9
Programming languages (10)
Github contributions (5)
SpecterOps/SharpHound
Nov 2021 - Jan 2023
C# Data Collector for BloodHound
Role in this project:
Back-end Developer
Back-end DeveloperContributions:29 releases, 13 reviews, 58 commits in 1 year 2 months
Contributions summary:Rohan primarily focused on refactoring and improving the SharpHound codebase. Their contributions involved cleaning up libraries, integrating Fody for weaving, and fixing bugs related to zip file output. They updated dependencies like SharpHoundCommonLib, demonstrating a focus on maintaining and improving the existing functionality of the C# data collector. The user also added functionality related to Group Policy Local Group processing and User Rights Assignments.
bloodhoundcsharp
BloodHoundAD/SharpHound3
Oct 2019 - Feb 2022
C# Data Collector for the BloodHound Project, Version 3
Role in this project:Back-end Developer
Back-end DeveloperContributions:153 commits, 12 PRs, 29 pushes in 2 years 4 months
Contributions summary:Rohan's commits focus on the development of core functionalities within the BloodHound3 project. The initial commit and subsequent changes reveal the creation and modification of the `Helpers.cs`, `ContainerTasks.cs`, `DirectorySearch.cs`, `Cache.cs`, `Options.cs`, `CollectionMethods.cs`, and other files, suggesting the user is involved in the core logic of data collection, caching mechanisms, and configuration options. The code modifications highlight the implementation of new features and functionalities with C# code.
bloodhoundcsharp
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