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Tests:
{phpinfo()}.txt
{${phpinfo()}}.txt
{sleep(5)}.txt
NULL byte in octal: \400
NULL byte in hex: \x00
Tricky php file uploads extensions:
.php3 .php4 .php5 .pht
application/dime: Direct Internet Message Encapsulation (Sending binary data with SOAP messages)
I have a Master’s Degree in Computer Science and specialized in cybersecurity in 2001. Back then, I was an independent security researcher. I have worked from 2009 as a cybersecurity consultant, specializing in penetration testing for the banking and financial services industry in 2015.
I hold Certified Ethical Hacker (CEH) and Offensive Security Certified Professional (OSCP) certifications.
