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Black & White Path
Black & White Path
Apr 30, 2026 · Information Security

Bypassing Webshell Detection with Branch‑Based Obfuscation and Puzzle Logic

This article explains how a PHP webshell can evade antivirus and sandbox detection by embedding a branch‑based puzzle (InazumaPuzzle) that manipulates block states, combines it with a PerlinNoise class to construct a hidden system() call, and demonstrates the step‑by‑step execution using the input sequence ABBCCD.

BypassInformation SecurityObfuscation
0 likes · 36 min read
Bypassing Webshell Detection with Branch‑Based Obfuscation and Puzzle Logic
360 Tech Engineering
360 Tech Engineering
Apr 19, 2018 · Mobile Development

Bypassing Android P Hidden API Restrictions: Three Practical Methods

This article analyzes the restriction mechanism of hidden APIs in Android P Preview 1 and presents three verified techniques—direct module provisioning, class‑loader manipulation, and access‑flag tampering—that allow developers to invoke system hidden APIs without triggering runtime warnings.

AndroidAndroid PBypass
0 likes · 8 min read
Bypassing Android P Hidden API Restrictions: Three Practical Methods
Qizhuo Club
Qizhuo Club
Apr 12, 2018 · Mobile Development

How to Bypass Android P Hidden API Restrictions: Three Proven Methods

This article analyzes Android P's hidden API restrictions, explains the underlying distinction mechanisms, and presents three practical techniques—direct calls with a provided module, classloader manipulation via reflection, and access flag tampering—to reliably invoke hidden system APIs on Android devices.

AndroidBypassHidden API
0 likes · 8 min read
How to Bypass Android P Hidden API Restrictions: Three Proven Methods
Tencent IMWeb Frontend Team
Tencent IMWeb Frontend Team
Aug 28, 2017 · Information Security

7 Surprising JavaScript Tricks to Bypass XSS Filters

This article reveals a collection of unconventional JavaScript techniques—including regex replacement, Unicode escapes, eval tricks, unusual operator combinations, custom getters/setters, and URL‑encoded payloads—that can evade common XSS filters and strengthen your understanding of web security.

BypassUnicodeXSS
0 likes · 10 min read
7 Surprising JavaScript Tricks to Bypass XSS Filters
21CTO
21CTO
Apr 30, 2016 · Information Security

How to Bypass PHP 7 OPcache File Restrictions with a Binary Webshell

This article explains the security flaws in PHP 7's OPcache engine, demonstrates a novel binary webshell attack that bypasses file‑write protections, and provides step‑by‑step exploitation techniques including file‑cache manipulation, memory‑cache bypass, and timestamp spoofing.

BypassFile CacheOPcache
0 likes · 11 min read
How to Bypass PHP 7 OPcache File Restrictions with a Binary Webshell