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PHP command execution Main function Code execution function ${} php complex variable <?php ${phpinfo()}; {KaTeX parse error: Expected 'EOF', got '}' at position 12: {getname()}} ̲ => {s1ye} =>echo "s1ye";， It can be found that the getname function is executed first and "s1ye" is output, and then echo (priori ...

The game was terrible. After all, it was too bad for me. No password was given. esayrsa was not easy at all. This problem was given an hour and a half after the game. 1, Title from Crypto.Util.number import * def add(a,b): if(a<b): a0 = str(b).encode() b0 = str(a).encode() else: a0 = str(a).encode() ...

ssti, mostly python ssti Preview link Link 1 Link 2 Basic knowledge Code block Variable block {{}} Used to print expressions to template output Annotation block {##} notes Control block {%%} You can declare variables or execute statements Line declaration ## Can have the same effect as {%%} common method __class__ View t ...

streamgame1 of attack and defense world crypto master problem Continue to start the reverse journey of the whole stack of dreams~ This problem is streamgame1 of the world's crypto master problem . . Download attachments, which are typical LFSR types: from flag import flag assert flag.startswith("flag{") # Function: judge whether the string s ...

Document structure Misc24 BMP height change Tip: the flag is above the picture bmp format file The real flag is on the picture. You can see it by changing the height Misc25 PNG height change Tip: the flag is under the picture Just change the height misc26-crc32 Tip: the flag is still under the picture, but how much is it? Open t ...