Buuctf's different flags and simplerev

Not the same flag

Check to see if ida32 Bit without shell

open

Find a string of numbers by looking at the string

  Double click in

 1111
01000
01010
00010
1111#

Can judge to encounter 1 Just stop ,, Then the route of our maze is ,, from Start to # stop it ,, go 0 Don't go 1

Then the route is 222441144222,, namely flag{222441144222}

simplerev

Downloading the file is not exe file , It turns out that this is a small end sequence storage （64 position ）

Use ida64 Bit on

  Only the input d or D To get into Decry() function , Otherwise quit , Now double click to enter the function

 

 flag It should be in this line of code , Parse the code

According to the assembly knowledge seen before, it is presumably related to the order in which the compiler reads data from memory

Finally get flag{KLDQCUDFZO}