3. WIDE

3.1. Desc

We’ve received reports that Draeger has stashed a huge arsenal in the pocket dimension Flaggle Alpha. You’ve managed to smuggle a discarded access terminal to the Widely Inflated Dimension Editor from his headquarters, but the entry for the dimension has been encrypted. Can you make it inside and take control?

3.2. Work

3.2.1. Static Analysis

$ file wide
wide: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=13869bb7ce2c22f474b95ba21c9d7e9ff74ecc3f, not stripped

$ ldd wide
        linux-vdso.so.1 (0x00007ffecfd28000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f7f61e1e000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f7f62234000)

Password: sup3rs3cr3tw1d3

3.2.2. Dynamic Analysis

$ ./wide db.ex
[*] Welcome user: kr4eq4L2$12xb, to the Widely Inflated Dimension Editor [*]
[*]    Serving your pocket dimension storage needs since 14,012.5 B      [*]
[*]                       Displaying Dimensions....                      [*]
[*]       Name       |              Code                |   Encrypted    [*]
[X] Primus           | people breathe variety practice  |                [*]
[X] Cheagaz          | scene control river importance   |                [*]
[X] Byenoovia        | fighting cast it parallel        |                [*]
[X] Cloteprea        | facing motor unusual heavy       |                [*]
[X] Maraqa           | stomach motion sale valuable     |                [*]
[X] Aidor            | feathers stream sides gate       |                [*]
[X] Flaggle Alpha    | admin secret power hidden        |       *        [*]
Which dimension would you like to examine? 1
The Ice Dimension
Which dimension would you like to examine? 2
The Berserk Dimension
Which dimension would you like to examine? 3
The Hungry Dimension
Which dimension would you like to examine? 4
The Water Dimension
Which dimension would you like to examine? 5
The Bone Dimension
Which dimension would you like to examine? 6
[X] That entry is encrypted - please enter your WIDE decryption key: imqwe
[X]                          Key was incorrect                           [X]

Flag:

$ ./wide db.ex
[*] Welcome user: kr4eq4L2$12xb, to the Widely Inflated Dimension Editor [*]
[*]    Serving your pocket dimension storage needs since 14,012.5 B      [*]
[*]                       Displaying Dimensions....                      [*]
[*]       Name       |              Code                |   Encrypted    [*]
[X] Primus           | people breathe variety practice  |                [*]
[X] Cheagaz          | scene control river importance   |                [*]
[X] Byenoovia        | fighting cast it parallel        |                [*]
[X] Cloteprea        | facing motor unusual heavy       |                [*]
[X] Maraqa           | stomach motion sale valuable     |                [*]
[X] Aidor            | feathers stream sides gate       |                [*]
[X] Flaggle Alpha    | admin secret power hidden        |       *        [*]
Which dimension would you like to examine? 6
[X] That entry is encrypted - please enter your WIDE decryption key: sup3rs3cr3tw1d3
HTB{som3_str1ng5_4r3_w1d3}