Function at 0x4d7a98
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffb8
push ebx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x4d7aca
cmp dword [ebp - 8], 0
je 0x4d7aca
mov eax, dword [ebp - 8]
cmp byte [eax], 0
je 0x4d7aca
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
mov edx, dword [ebp - 8]
cmp eax, dword [edx + 0x46]
je 0x4d7ad6
mov dword [ebp - 0x10], 0xfffffffb
jmp 0x4d7e8b
cmp dword [ebp - 8], 0
je 0x4d7b08
mov eax, dword [ebp - 8]
cmp byte [eax], 1
jne 0x4d7b08
mov eax, dword [ebp - 8]
cmp dword [eax + 1], 0x80
je 0x4d7b14
mov eax, dword [ebp - 8]
cmp dword [eax + 1], 0xc0
je 0x4d7b14
mov eax, dword [ebp - 8]
cmp dword [eax + 1], 0x100
je 0x4d7b14
mov dword [ebp - 0x10], 0xfffffffe
jmp 0x4d7e8b
cmp dword [ebp - 4], 0
je 0x4d7b56
mov eax, dword [ebp - 4]
cmp byte [eax], 1
je 0x4d7b32
mov eax, dword [ebp - 4]
cmp byte [eax], 2
je 0x4d7b32
mov eax, dword [ebp - 4]
cmp byte [eax], 3
jne 0x4d7b56
mov eax, dword [ebp - 4]
cmp dword [eax + 0x11], 0x80
je 0x4d7b62
mov eax, dword [ebp - 4]
cmp dword [eax + 0x11], 0xc0
je 0x4d7b62
mov eax, dword [ebp - 4]
cmp dword [eax + 0x11], 0x100
je 0x4d7b62
mov dword [ebp - 0x10], 0xfffffffb
jmp 0x4d7e8b
mov eax, dword [ebp - 4]
push dword [eax + 0x11]
mov eax, dword [ebp + 0xc]
pop edx
mov ecx, edx
cdq
idiv ecx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 4]
mov al, byte [eax]
dec al
je 0x4d7b8a
dec al
je 0x4d7c73
jmp 0x4d7e76
mov eax, dword [ebp - 0x20]
dec eax
test eax, eax
jl 0x4d7e7f
inc eax
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x14], 0
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7bae
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4d7bf5
inc eax
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], 0
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x18]
shl eax, 2
add eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 0xc]
mov al, byte [edx + eax]
and al, 0xff
mov edx, dword [ebp - 0x1c]
lea edx, [ebp + edx*8 - 0x48]
mov ecx, dword [ebp - 0x18]
mov byte [edx + ecx], al
inc dword [ebp - 0x1c]
cmp dword [ebp - 0x1c], 4
jne 0x4d7bc6
inc dword [ebp - 0x18]
dec dword [ebp - 0x28]
jne 0x4d7bc1
mov eax, dword [ebp - 8]
add eax, 0x4a
push eax
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 0x11]
mov eax, dword [ebp - 8]
mov edx, dword [eax + 1]
lea eax, [ebp - 0x48]
call fcn.004d7058
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7c1d
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4d7c62
inc eax
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], 0
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x18]
shl eax, 2
add eax, dword [ebp - 0x1c]
mov edx, dword [ebp + 8]
mov ecx, dword [ebp - 0x1c]
lea ecx, [ebp + ecx*8 - 0x48]
mov ebx, dword [ebp - 0x18]
mov cl, byte [ecx + ebx]
mov byte [edx + eax], cl
inc dword [ebp - 0x1c]
cmp dword [ebp - 0x1c], 4
jne 0x4d7c35
inc dword [ebp - 0x18]
dec dword [ebp - 0x28]
jne 0x4d7c30
inc dword [ebp - 0x14]
dec dword [ebp - 0x24]
jne 0x4d7ba1
jmp 0x4d7e7f
mov eax, dword [ebp - 0x20]
dec eax
cmp eax, 1
jl 0x4d7da3
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7c90
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4d7cec
inc eax
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x18], 0
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7cb5
add eax, 7
sar eax, 3
imul dword [ebp - 0x14]
mov edx, dword [ebp - 0x18]
shl edx, 2
add eax, edx
add eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 0xc]
mov al, byte [edx + eax]
and al, 0xff
mov edx, dword [ebp - 0x1c]
lea edx, [ebp + edx*8 - 0x48]
mov ecx, dword [ebp - 0x18]
mov byte [edx + ecx], al
inc dword [ebp - 0x1c]
cmp dword [ebp - 0x1c], 4
jne 0x4d7ca8
inc dword [ebp - 0x18]
dec dword [ebp - 0x24]
jne 0x4d7ca3
mov eax, dword [ebp - 8]
add eax, 0x4a
push eax
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 0x11]
mov eax, dword [ebp - 8]
mov edx, dword [eax + 1]
lea eax, [ebp - 0x48]
call fcn.004d7058
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7d14
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4d7d96
inc eax
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x18], 0
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x14]
dec eax
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x11]
test edx, edx
jns 0x4d7d3d
add edx, 7
sar edx, 3
imul edx
mov edx, dword [ebp - 0x18]
shl edx, 2
add eax, edx
add eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 0xc]
mov al, byte [edx + eax]
mov edx, dword [ebp - 0x1c]
lea edx, [ebp + edx*8 - 0x48]
mov ecx, dword [ebp - 0x18]
xor al, byte [edx + ecx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x11]
test edx, edx
jns 0x4d7d6d
add edx, 7
sar edx, 3
imul edx, dword [ebp - 0x14]
mov ecx, dword [ebp - 0x18]
shl ecx, 2
add edx, ecx
add edx, dword [ebp - 0x1c]
mov ecx, dword [ebp + 8]
mov byte [ecx + edx], al
inc dword [ebp - 0x1c]
cmp dword [ebp - 0x1c], 4
jne 0x4d7d2c
inc dword [ebp - 0x18]
dec dword [ebp - 0x24]
jne 0x4d7d27
dec dword [ebp - 0x14]
cmp dword [ebp - 0x14], 0
jne 0x4d7c83
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7db0
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4d7df7
inc eax
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x18], 0
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x18]
shl eax, 2
add eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 0xc]
mov al, byte [edx + eax]
and al, 0xff
mov edx, dword [ebp - 0x1c]
lea edx, [ebp + edx*8 - 0x48]
mov ecx, dword [ebp - 0x18]
mov byte [edx + ecx], al
inc dword [ebp - 0x1c]
cmp dword [ebp - 0x1c], 4
jne 0x4d7dc8
inc dword [ebp - 0x18]
dec dword [ebp - 0x24]
jne 0x4d7dc3
mov eax, dword [ebp - 8]
add eax, 0x4a
push eax
mov eax, dword [ebp - 4]
mov ecx, dword [eax + 0x11]
mov eax, dword [ebp - 8]
mov edx, dword [eax + 1]
lea eax, [ebp - 0x48]
call fcn.004d7058
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
test eax, eax
jns 0x4d7e1f
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4d7e7f
inc eax
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x18], 0
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x18]
shl eax, 2
add eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 4]
mov al, byte [edx + eax + 1]
mov edx, dword [ebp - 0x1c]
lea edx, [ebp + edx*8 - 0x48]
mov ecx, dword [ebp - 0x18]
xor al, byte [edx + ecx]
mov edx, dword [ebp - 0x18]
shl edx, 2
add edx, dword [ebp - 0x1c]
mov ecx, dword [ebp + 8]
mov byte [ecx + edx], al
inc dword [ebp - 0x1c]
cmp dword [ebp - 0x1c], 4
jne 0x4d7e37
inc dword [ebp - 0x18]
dec dword [ebp - 0x24]
jne 0x4d7e32
jmp 0x4d7e7f
mov dword [ebp - 0x10], 0xfffffffb
jmp 0x4d7e8b
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11]
imul dword [ebp - 0x20]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x10]
pop ebx
mov esp, ebp
pop ebp
ret 8