Obviously, in comparision to 萌新web2,here adding additional filter conditions that regular expression can match those stuff: 'or', '-', '\', '*', '<', '>', '!', 'x', 'hex', '+' and no matter capital or lowercase. Therefore, the payload '0x3e8' which we used to bypass the...
需要v1是字符串,v2是数字 PHP在处理哈希字符串时,它把每一个以“0E”开头的哈希值都解释为0 所以只要v1与v2的md5值以0E开头即可。这样最后php解析到的v1和v2的md5值就都是0了 构造v1=QNKCDZO&v2=240610708 这里附上常见的0E开头的MD5 0e开头的md5和原值: QNKCDZO 0e830400451993494058024219903391 240610...
In 萌新web13, I introduce a new method to figure this kinds of questions out. And luckily, it still works here.
萌新web6 Well, maybe the operator '~' is scarce or not be utilized frequently, therefore it still not be filtered.
萌新web8 Nothing we could get, so we gonna inspect the hint. According to the hint, it's easily to associate with that prevailing meme -- remove everything and run away. The command removes everyting is 'rm -rf /*', so key word is....