Reverse Engineering
Transformation [20 pts] [Not Solved]
Description
I wonder what this really is... enc
''.join([chr((ord(flag[i]) << 8) + ord(flag[i + 1])) for i in range(0, len(flag), 2)])
Solution
a
Flag:
keygenme-py [30 pts] [Not Solved]
Description
Solution
a
Flag:
crackme-py [30 pts]
Description
Solution
So opening up the code I noticed that their are two functions, but when ran only 1 is called. I added only 1 line of code that would print out the flag.
Flag: picoCTF{1|\/|_4_p34||ut_8c551048}
ARMssembly 0 [40 pts] [Not Solved]
Description
What integer does this program print with arguments
4004594377and4110761777? File: chall.S Flag format: picoCTF{XXXXXXXX} -> (hex, lowercase, no 0x, and 32 bits. ex. 5614267 would be picoCTF{0055aabb})
Solution
a
Flag:
speeds and feeds [50 pts] [Not Solved]
Description
There is something on my shop network running at
nc mercury.picoctf.net 28067, but I can't tell what it is. Can you?
Solution
a
Flag:
Shop [50 pts] [Not Solved]
Description
Best Stuff - Cheap Stuff, Buy Buy Buy... Store Instance: source. The shop is open for business at
nc mercury.picoctf.net 3952.
Solution
a
Flag:
ARMssembly 1 [70 pts] [Not Solved]
Description
For what argument does this program print `win` with variables
83,0and3? File: chall_1.S Flag format: picoCTF{XXXXXXXX} -> (hex, lowercase, no 0x, and 32 bits. ex. 5614267 would be picoCTF{0055aabb})
Solution
a
Flag:
ARMssembly 2 [90 pts] [Not Solved]
Description
What integer does this program print with argument
3297082261? File: chall_2.S Flag format: picoCTF{XXXXXXXX} -> (hex, lowercase, no 0x, and 32 bits. ex. 5614267 would be picoCTF{0055aabb})
Solution
a
Flag:
Hurry up! Wait ! [100 pts] [Not Solved]
Description
Solution
a
Flag:
gogo [110 pts] [Not Solved]
Description
Hmmm this is a weird file... enter_password. There is a instance of the service running at
mercury.picoctf.net:34256.
Solution
a
Flag:
ARMssembly 3 [130 pts] [Not Solved]
Description
What integer does this program print with argument
4012702611? File: chall_3.S Flag format: picoCTF{XXXXXXXX} -> (hex, lowercase, no 0x, and 32 bits. ex. 5614267 would be picoCTF{0055aabb})
Solution
a
Flag:
Let's get dynamic [150 pts] [Not Solved]
Description
Can you tell what this file is reading? chall.S
Solution
a
Flag:
Easy as GDB [160 pts] [Not Solved]
Description
The flag has got to be checked somewhere... File: brute
Solution
a
Flag:
ARMssembly 4 [170 pts] [Not Solved]
Description
What integer does this program print with argument
3459413018? File: chall_4.S Flag format: picoCTF{XXXXXXXX} -> (hex, lowercase, no 0x, and 32 bits. ex. 5614267 would be picoCTF{0055aabb})
Solution
a
Flag:
Powershelly [180 pts] [Not Solved]
Description
It's not a bad idea to learn to read Powershell. We give you the output, but do you think you can find the input? rev_PS.ps1 output.txt
Solution
a
Flag:
Rolling My Own [300 pts] [Not Solved]
Description
I don't trust password checkers made by other people, so I wrote my own. It doesn't even need to store the password! If you can crack it I'll give you a flag. remote
nc mercury.picoctf.net 47110
Solution
a
Flag:
Checkpass [375 pts] [Not Solved]
Description
What is the password? File: checkpass Flag format: picoCTF{...}
Solution
a
Flag:
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