psobf

PowerShell Obfuscator その目標は、コードを変換して解析や静的シグネチャを妨害することであり、ラボや許可されたレッドチーム/ペネトレーションテストの活動において有用です。 難読化の6段階に加えて、文字列トークン化、軽量リテラル暗号化、数値マスキング、識別子モーフィング、フォーマット「ジッター」、制御フローの見た目調整、デッドコード注入、フラグメンテーションプロファイル、決定論的プロファイルなどの手法を積み重ねることができる変換/パイプラインアーキテクチャをサポートしています。 ⚠️ 責任ある使用：このツールは研究および許可されたテストのみを目的としています。...

NOW

NØW — 基于单词的 Shellcode 编码器 将 Shellcode 编码为看起来自然的英文散文。使用正确的句子和密码即可解码回来。 NØW 是什么？ NØW （Natural Output Words，自然输出词）是一个 C 工具，可将原始 shellcode 字节转换为人类可读的英文文本——既可以是简单的码词列表，也可以是带有句子和段落的流畅自然散文。输出看起来像普通文章，而不是十六进制转储或 base64 片段。 每个字节值（0x00–0xFF）都映射到一个唯一单词，该单词派生自你提供的秘密句子 。基于密码 ，流密码（RC4 或...

stegcloak

StegCloak The Cloak of Invisibility for your texts StegCloak is a pure JavaScript steganography module designed in functional programming style, to hide secrets inside text by compressing and encrypting the secret before cloaking it with special unicode invisible characters. It can be used to...

stegcloak

StegCloak テキストを透明にする隠れ蓑 StegCloakは、関数型プログラミングスタイルで設計された純粋なJavaScriptのステガノグラフィモジュールです。秘密を圧縮・暗号化した後、特殊なUnicode不可視文字で覆い隠します。文字列への安全な透かし入れ、Webページ上の不可視スクリプト、ソーシャルメディア上のテキスト、その他あらゆる秘密通信に使用できます。完全に不可視です！詳細な動作については、このMediumの記事を参照するか、デモをご覧ください。 特徴 パスワードとHMAC完全性チェックで不可視の秘密を保護 AES-256-CTRによる暗号化で暗号学的に安全...

New Qilin.B Ransomware Variant Emerges with Improved Encryption and Evasion Tactics

Cybersecurity researchers have discovered an advanced version of the Qilin ransomware sporting increased sophistication and tactics to evade detection. The new variant is being tracked by cybersecurity firm Halcyon under the moniker Qilin.B. "Notably, Qilin.B now supports AES-256-CTR encryption f...

Insecure Direct Object Reference (IDOR) / Weak Encryption

nzo/url-encryptor-bundle is vulnerable to a Insecure Direct Object Reference IDOR. This vulnerability is due to a lack of mandatory key and initialization vector IV requirements, which makes the aes-256-ctr algorithm susceptible to malleability attacks. It allows attackers to decrypt and modify...

PT-2024-40444 · Nzo · Nzo/Url-Encryptor-Bundle

Name of the Vulnerable Software and Affected Versions: nzo/url-encryptor-bundle versions prior to 5.0.1 nzo/url-encryptor-bundle versions prior to 4.3.2 Description: The issue is related to the lack of mandatory key and IV requirements in the affected versions. By default, the bundle uses the...

Nextcloud: Improper confidentiality protection of server-side encryption keys

This vulnerability is related to the Improper integrity protection of server-side encryption keys vulnerability but leverages a different attack vector. While the previous attack broke the confidentiality of encrypted files because the public keys are not integrity-protected, this new attack brea...

Nextcloud: Downgrade encryption scheme and break integrity through known-plaintext attack

The idea behind the Server Side Encryption is that you can move your encrypted files to an external party without that external party being able to to read or modify those files. Some time ago, Nextcloud switched from unauthenticated CFB cipher block mode to authenticated CTR cipher block mode in...

restic cryptography

tl;dr: this is not an audit and I take no responsibility for your backups, but I had a quick look at the crypto and I think I'm going to use restic for my personal backups. I keep hearing good things about restic. I am redoing my storage solution, and restic seems to tick all the boxes for my...

Windows Crypto Ransomware in Go: Ransomware

Windows Crypto Ransomware in Go Ransomware is a type of malware that prevents or limits users from accessing their system, either by locking the system’s screen or by locking the users’ files unless a ransom is paid. More modern ransomware families, collectively categorized as crypto-ransomware,...