Two times sixteen
20 points Easy

Your task is simple - call the function print_flag. It is guarded by a couple of ifs - good luck in defeating them.

nc rivit.dev 10000

task.tar.gz
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Binary ยท Rivit
48 solves
Rating 4.94
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Discussion

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Bittz

8 months ago

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i cant get it please help.. @rivit

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Rivit

7 months ago

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you can ask for help on ctflearn discord :)

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Bittz

7 months ago

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Bittz

7 months ago

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ASLR issue.. please help me..

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Orabidoo

8 months ago

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Is there anything wrong with executable from tar? I can't run it...

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Canlex

10 months ago

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dijidontknow

1 year ago

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Rivit

1 year ago

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Make sure that rsp & 0xF == 0 when calling the print_flag function. If it is not, you need to pad your payload with ret instruction, see - https://www.ctfnote.com/pwn/linux-exploitation/rop/stack-alignment

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neiht456

1 year ago

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Navonerd

1 year ago

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How am I supposed to open these files?

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Rivit

1 year ago

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it is simple tar archive - use tar command to unpack it

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Mike_Root

11 months ago

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tar -xvf <filename>

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