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VisualCaptcha

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)

..........

Skills: C# Programming, Cryptography, Javascript, OCR, Web Security

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About the Employer:
( 0 reviews ) Ecuador

Project ID: #17043445

9 freelancers are bidding on average $514 for this job

augurstech

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 More

$833 USD in 10 days
(29 Reviews)
6.7
nvbishr

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

$300 USD in 3 days
(21 Reviews)
5.0
$526 USD in 10 days
(2 Reviews)
4.7
skfaroo123

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 More

$555 USD in 10 days
(16 Reviews)
4.8
$555 USD in 10 days
(7 Reviews)
4.2
williams115

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 More

$500 USD in 10 days
(2 Reviews)
3.4
quickapp100

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 More

$555 USD in 10 days
(9 Reviews)
3.6
shobhanasaxena

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 More

$250 USD in 25 days
(1 Review)
3.2
pathos821vw

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 More

$555 USD in 10 days
(1 Review)
3.3