MYOB Exo Payroll is an payroll package used by a lot of small companies.
My accounts department didn't want to give me access to the file, to do file verification, so I had to find out the password myself.
Login details for all accounts are stored in the APPUSERS.DBF file.
You can read it using any text editor.
MYOB appear to be using a straight swap cipher to encode their passwords:
Numbers appear to be unswapped.
Here is an example of some ciphered (CPASS) and deciphered (DPASS) passwords.
The translation table is listed below.
CPASS DPASS
---------------
IZX97 KQE97
BJ8959 CJ8959
BMULW CFTHY
0268 0268
---------------
A = M
B = N
C = B
D = V
E = C
F = X
G = Z
H = L
I = K
J = J
K = H
L = G
M = F
N = D
O = S
P = A
Q = P
R = O
S = I
T = U
U = Y
V = T
W = R
X = E
Y = W
Z = Q
1 = 1
2 = 2
3 = 3
... etc
-- xor