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- Author: Aakansh Gupta (Unknown)
Lets first run the file and its properties
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┌──(kali㉿kali)-[~/Desktop/Cyscom/5]
└─$ ./challenge.run
Verifying archive integrity... 100% Error in MD5 checksums: cd6432c66be8a7696954be1324b594cf is different from 6432c66be8a7696954be1324b594cf
Running the file tells us that there are errors in MD% checksums. If we try to match the hash using editors like VSCode or Nano (Non-hex editors), the file is corrupted.
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┌──(kali㉿kali)-[~/Desktop/Cyscom/5]
└─$ ./challenge.run
Verifying archive integrity... Unexpected archive size.
To try and fix the MD5 Check, we need to use hex editors like hexedit. We know 2 in hex is 32 and 0 in hex is 30. Replace these values with the hexeditor where there are 0s.
Now run the file again. We get the flag
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┌──(kali㉿kali)-[~/Desktop/Cyscom/5]
└─$ ./challenge.run
Verifying archive integrity... 100% MD5 checksums are OK. All good.
Uncompressing Lost in the Wild 100%
CBCV{h3x_3dIt0r5_t0_Th3_r3scU3_9364}
The flag found is:
CBCV{h3x_3dIt0r5_t0_Th3_r3scU3_9364}
Flag
CBCV{h3x_3dIt0r5_t0_Th3_r3scU3_9364}