[SSH scanner+bruteforce(linux only)]

Helo, Why

root@debian:~/unixcod# ls -la
total 860
drwxr-xr-x 2 root root   4096 Dec 18 15:17 .
drwx------ 6 root root   4096 Dec 18 15:05 ..
-rwxr-xr-x 1 root root 842736 Oct 14  2005 atack
-rwxr-xr-x 1 root root    216 May 18  2005 auto
-rw-r--r-- 1 root root     65 Dec 18 15:14 data.conf
-rwxr-xr-x 1 root root  15729 Oct 13  2005 find
-rwxr-xr-x 1 root root    751 Oct 14  2005 unix
-rwxr-xr-x 1 root root      0 Jun 12  2011 vuln.txt
root@debian:~/unixcod#

./unix 5.61.
[+][+][+][+][+] UnixCoD Atack Scanner [+][+][+][+][+]
[+]   SSH Brute force scanner : user & password   [+]
[+]        Undernet Channel : #UnixCoD            [+]
[+][+][+][+][+][+][+] ver 0x10  [+][+][+][+][+][+][+]
./unix: line 13: ./find: No such file or directory

Why ./find: No such file or directory ??