We need a white hat hacker to scan our website for vulnerabilities

Job ID: 35138980

Budget: $25 – $50 USD

We have a codeigniter php website, It was infected with malware and we purchased immunifyAv malware scanner,
Our developer has scanned the websites and removed all malwares from the antivirus report, and Antivirus says websites are clean.
Some files on our websites are changed and we don't know how it is done.
So your role will be to make a full security audit on our website codebase and our server, check for all vulnerabilities and malwares infecting our website, remove any shell files uploaded or any bad files infecting our server/website.
Deliverables:
We are expecting a document/report for website/server files scanned, list of infected files and how to clean them, list of vulnerabilities on our code and how attacker can use them and how to secure them. also we are expecting to harden the security of our server, you will ensure that our developer has successfully fixed all issues on code and no vulnerabilities still exists.
Related categories: PHP Web Security Internet Security CentOs Security