neuroradiology/InsideReCaptcha resource
Reverse-engineering the new “captchaless” ReCaptcha system... observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4285
- days_rel: n/a
- days_push: 2756
- n_releases_24m: 0
Adoption not part of the score
1049 stars · 216 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A Python-based research project reverse-engineering Google's 'no-captcha' ReCaptcha system, documenting its obfuscated JavaScript bytecode VM, XTEA-encrypted bytecode, and browser fingerprinting techniques. It serves as a detailed technical analysis write-up rather than a usable tool.
Use cases
- understand how recaptcha works internally
- learn javascript bytecode obfuscation techniques
- study browser fingerprinting used by captcha systems
- reverse engineer obfuscated javascript
- research anti-bot detection mechanisms
When to choose
- studying captcha and anti-bot system internals
- learning JavaScript deobfuscation and VM-based obfuscation analysis
- academic research on web security mechanisms
When to avoid
- looking for a working captcha solver
- needing a maintained library or tool
- bypassing captchas in production
Facets
learning-resource · maturity abandoned
reverse-engineering security parser security reverse-engineering web-development python cross-platform captcha recaptcha anti-bot javascript-deobfuscation xtea research
1 source
- readme: https://github.com/neuroradiology/InsideReCaptcha · fetched 2026-08-28 · dde19dc48536
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| neuroradiology/InsideReCaptcha | main | 32 |
For agents
markdown · JSON · MCP: product_card(name="neuroradiology/InsideReCaptcha")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem