Implement an api .net that generates the response of a visualCapctha.

List all text-label solution for the VisualCaptcha

Download all the image database used by VisualCaptcha

Calculate checksum of each PNG downloaded

Making an map with text-label corresponding to the right image's checksum

Automatized with a Python script a call to "/start/1" ("1" to force a minimum number of image choice in the user session, that was 2 images in this old implementation of VisualCaptcha)

Then download each "/image/0" and "/image/1"

Calculate their PNG-checksum and search these values in the "map"

Send the right "value" to the final page (100% captcha bypass)


Evner: C# Programmering, Kryptografi, Javascript, OCR, Web Sikkerhed

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Om arbejdsgiveren:
( 0 bedømmelser ) Ecuador

Projekt ID: #17043445

9 freelancere byder i gennemsnit $514 på dette job


Dear Employer, Greetings of the Day! Thanks for sharing your requirements with us. As per your project scope which about VisualCaptcha , you can hire our team of skilled developers who will implement the asp.n Flere

$833 USD in 10 dage
(29 bedømmelser)

Are you want for images only, or with audios?..............................................................

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$526 USD in 10 dage
(2 bedømmelser)

Dear client, Thanks a lot for taking your precious time to read my message. After browsing your job description, I am very interested in your project and I believe I’m qualified for the task. Regarding OCR, I Flere

$555 USD in 10 dage
(16 bedømmelser)
$555 USD in 10 dage
(7 bedømmelser)

Hi, Thanks you for your this job posting. I am an expert of computer vision and have experience in image captcha recognition, so I am interested in and confident to do this project. I hope we discuss everything rela Flere

$500 USD in 10 dage
(2 bedømmelser)

already done similar kind app Hi we are a software development company from india in past 8 years me & my Team developed approx 6850 projects for global market , we try to satisfy clients needs . we developed lots Flere

$555 USD in 10 dage
(9 bedømmelser)

Hi I have read the description, We have a very determined team with all the required key skills who can do this job. Have a look at our portfolio before awarding to anyone else. We have got some best results and ha Flere

$250 USD in 25 dage
(1 bedømmelse)

Hi, there. I`ve read your proposal carefully and I am interested in your task. I am a skilled and professional developer and I have more than 5 years of experience in python programming. I can do this job on time an Flere

$555 USD in 10 dage
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