Penumbra Stealer [1.0]

kitayka

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A Windows credential stealer written in C++. No .NET dependency. A single standalone executable with built-in features. Features a modern GUI with user-friendly controls.

Peculiarities

Browsers (13 Chromium + Gecko):

Passwords: Includes Chrome App-Bound Encryption (v20) decoded end-to-end (LSASS-DPAPI double decryption, CNG/KSP key handling)

Cookies: Full session material, domain-accurate

Saved Financials: Stored credit card details

Tokens: Account restore tokens

Autofill: Saved form entries and physical addresses

History & Bookmarks: Complete browsing history and saved links

Web Storage: LocalStorage, SessionStorage, and IndexedDB

Firefox Keyring: Native parsing of NSS key3/key4 databases

Discord & Messaging:

Discord: Authentication tokens, MFA status, email, phone number, billing methods, gift codes, and Nitro status

Telegram: Active session files (.tdata)

Tox: Identity profiles and active session dumps

Gaming Infrastructure:

Steam: Session configuration (config.vdf) and login credentials

Minecraft: Active session files

Roblox: Account authentication cookies

System Inventory: Complete enumeration of installed games

Credentials & System Memory:

SSH Keys: Full content of the ~/.ssh directory

Crypto Wallets: Automatic detection and packaging of standard wallet formats

LSASS Memory Dump: Full process memory capture (lsass.dmp) containing active security tokens

Credential Vaults: Windows Credentials (WinCred), third-party password managers, TOTP authenticator secrets, FTP client saved logins, developer credentials, and Outlook profile data

System Environment & Reconnaissance:

Hardware Fingerprint: System UUID, disk serial numbers, CPU, GPU, and total RAM

System State: Active running processes, connected USB devices, and network topology

IP & Geo Posture: External IP, country, region, timezone, reverse DNS, and proxy/VPN/mobile detection

On-Demand Media: Webcam snapshots, multi-monitor display captures, and secondary RAM/history passes


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