Function at 0x4b31b4
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff98
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x10]
push eax
lea eax, [ebp - 0x68]
push eax
mov ecx, dword [ebp + 0x14]
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
call fcn.004afb40
mov eax, dword [ebp - 4]
cmp byte [eax + 0xf0], 0
jne 0x4b3895
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x50]
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x48]
je 0x4b38a5
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x54]
mov edx, dword [ebp - 4]
sub eax, dword [edx + 0x4c]
je 0x4b38a5
mov eax, dword [ebp + 0x14]
sub eax, dword [ebp - 8]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp + 0x10]
sub eax, dword [ebp - 0xc]
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x2c]
cdq
xor eax, edx
sub eax, edx
mov ecx, eax
mov eax, dword [ebp - 0x30]
cdq
xor eax, edx
sub eax, edx
cmp ecx, eax
jne 0x4b325b
mov eax, dword [ebp + 0x14]
push eax
mov eax, dword [ebp + 0x10]
push eax
mov eax, dword [ebp + 0xc]
push eax
mov al, byte [ebp + 8]
push eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.004b28c8
jmp 0x4b38a5
cmp dword [ebp - 0x2c], 0
jne 0x4b32be
cmp dword [ebp - 0x30], 0
jle 0x4b3280
mov eax, dword [ebp + 0x10]
dec eax
push eax
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.004b21cc
jmp 0x4b329d
cmp dword [ebp - 0x30], 0
jge 0x4b329d
mov eax, dword [ebp - 0xc]
push eax
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0x10]
inc ecx
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.004b21cc
cmp byte [ebp + 8], 0
je 0x4b38a5
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0x10]
mov edx, dword [ebp + 0x14]
mov eax, dword [ebp - 4]
call fcn.004b14d4
jmp 0x4b38a5
cmp dword [ebp - 0x30], 0
jne 0x4b3321
cmp dword [ebp - 0x2c], 0
jle 0x4b32e3
mov eax, dword [ebp + 0x14]
dec eax
push eax
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp - 0xc]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.004b1fa0
jmp 0x4b3300
cmp dword [ebp - 0x2c], 0
jge 0x4b3300
mov eax, dword [ebp - 8]
push eax
mov eax, dword [ebp + 0xc]
push eax
mov edx, dword [ebp + 0x14]
inc edx
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 4]
call fcn.004b1fa0
cmp byte [ebp + 8], 0
je 0x4b38a5
mov eax, dword [ebp + 0xc]
push eax
mov ecx, dword [ebp + 0x10]
mov edx, dword [ebp + 0x14]
mov eax, dword [ebp - 4]
call fcn.004b14d4
jmp 0x4b38a5
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x48]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x50]
dec eax
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x4c]
mov dword [ebp - 0x18], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x54]
dec eax
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x2c], 0
jle 0x4b336e
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0x14]
jg 0x4b38a5
mov eax, dword [ebp + 0x14]
cmp eax, dword [ebp - 0x10]
jl 0x4b38a5
mov dword [ebp - 0x24], 1
jmp 0x4b33a7
mov eax, dword [ebp + 0x14]
cmp eax, dword [ebp - 0x14]
jg 0x4b38a5
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0x10]
jl 0x4b38a5
mov dword [ebp - 0x24], 0xffffffff
neg dword [ebp - 8]
neg dword [ebp + 0x14]
neg dword [ebp - 0x2c]
neg dword [ebp - 0x10]
neg dword [ebp - 0x14]
lea edx, [ebp - 0x14]
lea eax, [ebp - 0x10]
call fcn.004a483c
cmp dword [ebp - 0x30], 0
jle 0x4b33ce
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 0x1c]
jg 0x4b38a5
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp - 0x18]
jl 0x4b38a5
mov dword [ebp - 0x28], 1
jmp 0x4b3407
mov eax, dword [ebp + 0x10]
cmp eax, dword [ebp - 0x1c]
jg 0x4b38a5
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 0x18]
jl 0x4b38a5
mov dword [ebp - 0x28], 0xffffffff
neg dword [ebp - 0xc]
neg dword [ebp + 0x10]
neg dword [ebp - 0x30]
neg dword [ebp - 0x18]
neg dword [ebp - 0x1c]
lea edx, [ebp - 0x1c]
lea eax, [ebp - 0x18]
call fcn.004a483c
mov eax, dword [ebp - 0x2c]
cmp eax, dword [ebp - 0x30]
jge 0x4b3465
lea edx, [ebp - 0xc]
lea eax, [ebp - 8]
call fcn.004a483c
lea edx, [ebp + 0x10]
lea eax, [ebp + 0x14]
call fcn.004a483c
lea edx, [ebp - 0x30]
lea eax, [ebp - 0x2c]
call fcn.004a483c
lea edx, [ebp - 0x18]
lea eax, [ebp - 0x10]
call fcn.004a483c
lea edx, [ebp - 0x1c]
lea eax, [ebp - 0x14]
call fcn.004a483c
lea edx, [ebp - 0x28]
lea eax, [ebp - 0x24]
call fcn.004a483c
lea eax, [ebp - 0x38]
mov dword [ebp - 0x44], eax
lea eax, [ebp - 0x34]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 0x28]
mov dword [ebp - 0x20], eax
jmp 0x4b347d
lea eax, [ebp - 0x34]
mov dword [ebp - 0x44], eax
lea eax, [ebp - 0x38]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x34]
imul dword [ebp - 0x28]
mov dword [ebp - 0x20], eax
xor eax, eax
mov dword [ebp - 0x3c], eax
mov eax, dword [ebp - 0x30]
shl eax, 0x10
cdq
idiv dword [ebp - 0x2c]
mov word [ebp - 0x4c], ax
mov word [ebp - 0x4a], 0
mov eax, dword [ebp - 8]
mov dword [ebp - 0x34], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x38], eax
mov byte [ebp - 0x3d], 1
mov byte [ebp - 0x3e], 0
mov eax, dword [ebp - 4]
movzx eax, byte [eax + 0x7a]
mov edx, dword [0x524adc]
mov eax, dword [edx + eax*4]
mov dword [ebp - 0x58], eax
mov eax, dword [ebp - 0xc]
cmp eax, dword [ebp - 0x18]
jge 0x4b364d
mov eax, dword [ebp - 0x18]
sub eax, dword [ebp - 0xc]
mov edi, eax
shl edi, 0x10
mov eax, edi
sub eax, 0x10000
mov dword [ebp - 0x3c], eax
movzx ebx, word [ebp - 0x4c]
mov eax, edi
cdq
idiv ebx
test edx, edx
jle 0x4b34f5
mov eax, edi
cdq
idiv ebx
inc eax
mov edi, eax
jmp 0x4b34fc
mov eax, edi
cdq
idiv ebx
mov edi, eax
mov edx, dword [ebp + 0x14]
inc edx
mov eax, dword [ebp - 0x34]
add eax, edi
call fcn.0046329c
mov dword [ebp - 0x34], eax
mov eax, edi
imul word [ebp - 0x4c]
mov word [ebp - 0x4a], ax
mov eax, dword [ebp - 0x3c]
cdq
idiv ebx
test edx, edx
jle 0x4b352d
mov eax, dword [ebp - 0x3c]
cdq
idiv ebx
inc eax
mov dword [ebp - 0x3c], eax
jmp 0x4b3536
mov eax, dword [ebp - 0x3c]
cdq
idiv ebx
mov dword [ebp - 0x3c], eax
sub edi, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x14]
jle 0x4b3553
mov eax, dword [ebp - 0x14]
add eax, edi
cmp eax, dword [ebp - 0x34]
jl 0x4b38a5
mov byte [ebp - 0x3e], 1
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x10]
setge al
or al, byte [ebp - 0x3e]
je 0x4b364d
mov eax, dword [ebp - 0x18]
mov dword [ebp - 0x38], eax
mov eax, dword [ebp - 0x34]
mov dword [ebp - 0x3c], eax
mov bx, word [ebp - 0x4a]
sub bx, word [ebp - 0x4c]
mov eax, dword [ebp - 0x34]
sub eax, edi
mov ecx, dword [ebp - 0x14]
mov edx, dword [ebp - 0x10]
call fcn.004a4894
mov esi, eax
cmp byte [ebp - 0x3e], 0
je 0x4b35a8
mov ax, word [ebp - 0x34]
sub ax, word [ebp - 0x14]
dec eax
imul word [ebp - 0x4c]
sub bx, ax
mov eax, dword [ebp - 0x14]
inc eax
mov dword [ebp - 0x34], eax
cmp dword [ebp - 0x28], 0xffffffff
jne 0x4b35b1
neg dword [ebp - 0x38]
cmp dword [ebp - 0x24], 0xffffffff
jne 0x4b35bc
neg dword [ebp - 0x34]
neg esi
xor eax, eax
push ebp
push 0x4b3620
push dword fs:[eax]
mov dword fs:[eax], esp
cmp esi, dword [ebp - 0x34]
je 0x4b360d
mov eax, dword [ebp - 0x24]
neg eax
add dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x48]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
imul dword [edx + 0x34]
mov edx, dword [ebp - 0x44]
add eax, dword [edx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x40]
lea edx, [edx + eax*4]
movzx eax, bx
shr eax, 8
xor ecx, ecx
mov cl, byte [eax + 0x549ae8]
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x58]
sub bx, word [ebp - 0x4c]
cmp esi, dword [ebp - 0x34]
jne 0x4b35cf
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4b3627
call fcn.004a51b8
ret
cmp byte [ebp - 0x3d], 0
je 0x4b369b
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0x10]
jge 0x4b369b
mov edi, dword [ebp - 0x10]
sub edi, dword [ebp - 8]
movzx eax, word [ebp - 0x4c]
imul edi, eax
mov eax, edi
test eax, eax
jns 0x4b3673
add eax, 0xffff
sar eax, 0x10
add dword [ebp - 0x38], eax
mov word [ebp - 0x4a], di
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x38]
cmp eax, dword [ebp - 0x1c]
jg 0x4b38a5
mov eax, dword [ebp - 0x38]
cmp eax, dword [ebp - 0x1c]
jne 0x4b369b
mov byte [ebp - 0x3e], 1
mov esi, dword [ebp + 0x14]
xor eax, eax
mov byte [ebp - 0x3d], 0
mov edx, dword [ebp + 0x10]
cmp edx, dword [ebp - 0x1c]
jle 0x4b3716
mov eax, dword [ebp - 0x1c]
sub eax, dword [ebp - 0xc]
mov edi, eax
shl edi, 0x10
movzx ecx, word [ebp - 0x4c]
mov eax, edi
cdq
idiv ecx
mov esi, eax
add esi, dword [ebp - 8]
mov eax, edi
cdq
idiv ecx
test edx, edx
jg 0x4b36cf
dec esi
cmp esi, dword [ebp - 0x14]
jge 0x4b3714
add edi, 0x10000
mov dword [ebp - 0x3c], edi
mov eax, dword [ebp - 0x3c]
cdq
idiv ecx
test edx, edx
jle 0x4b36f6
mov eax, dword [ebp - 0x3c]
cdq
idiv ecx
add eax, dword [ebp - 8]
inc eax
mov dword [ebp - 0x3c], eax
jmp 0x4b3702
mov eax, dword [ebp - 0x3c]
cdq
idiv ecx
add eax, dword [ebp - 8]
mov dword [ebp - 0x3c], eax
mov eax, dword [ebp - 0x3c]
cmp eax, dword [ebp - 0x14]
jle 0x4b3710
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0x3c], eax
mov byte [ebp - 0x3d], 1
mov al, 1
cmp esi, dword [ebp - 0x14]
jle 0x4b3720
mov esi, dword [ebp - 0x14]
mov al, 1
inc esi
cmp dword [ebp - 0x28], 0xffffffff
jne 0x4b372a
neg dword [ebp - 0x38]
cmp dword [ebp - 0x24], 0xffffffff
jne 0x4b3738
neg dword [ebp - 0x34]
neg esi
neg dword [ebp - 0x3c]
cmp byte [ebp - 0x3e], 0
jne 0x4b3816
xor edx, edx
push ebp
push 0x4b380f
push dword fs:[edx]
mov dword fs:[edx], esp
or al, byte [ebp + 8]
jne 0x4b3769
cmp byte [ebp - 0x3d], 0
jne 0x4b3769
cmp esi, dword [ebp - 0x34]
jle 0x4b3763
dec esi
jmp 0x4b3769
cmp esi, dword [ebp - 0x34]
jge 0x4b3769
inc esi
cmp esi, dword [ebp - 0x34]
je 0x4b37fc
movzx ebx, word [ebp - 0x4a]
shr ebx, 8
mov eax, dword [ebp - 0x48]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
imul dword [edx + 0x34]
mov edx, dword [ebp - 0x44]
add eax, dword [edx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x40]
lea eax, [edx + eax*4]
mov dword [ebp - 0x54], eax
mov eax, ebx
xor al, 0xff
and eax, 0xff
xor ecx, ecx
mov cl, byte [eax + 0x549ae8]
mov edx, dword [ebp - 0x54]
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x58]
mov eax, dword [ebp - 0x20]
shl eax, 2
add dword [ebp - 0x54], eax
xor eax, eax
mov al, bl
xor ecx, ecx
mov cl, byte [eax + 0x549ae8]
mov edx, dword [ebp - 0x54]
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x58]
mov ax, word [ebp - 0x4a]
mov word [ebp - 0x4e], ax
mov ax, word [ebp - 0x4c]
add word [ebp - 0x4a], ax
mov ax, word [ebp - 0x4a]
cmp ax, word [ebp - 0x4e]
ja 0x4b37ed
mov eax, dword [ebp - 0x28]
add dword [ebp - 0x38], eax
mov eax, dword [ebp - 0x24]
add dword [ebp - 0x34], eax
cmp esi, dword [ebp - 0x34]
jne 0x4b3772
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4b3816
call fcn.004a51b8
ret
cmp byte [ebp - 0x3d], 0
je 0x4b3895
xor eax, eax
push ebp
push 0x4b388e
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x3c]
je 0x4b387b
mov eax, dword [ebp - 0x48]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
imul dword [edx + 0x34]
mov edx, dword [ebp - 0x44]
add eax, dword [edx]
mov edx, dword [ebp - 4]
mov edx, dword [edx + 0x40]
lea edx, [edx + eax*4]
movzx eax, word [ebp - 0x4a]
shr eax, 8
xor eax, 0xff
xor ecx, ecx
mov cl, byte [eax + 0x549ae8]
mov eax, dword [ebp + 0xc]
call dword [ebp - 0x58]
mov ax, word [ebp - 0x4c]
add word [ebp - 0x4a], ax
mov eax, dword [ebp - 0x24]
add dword [ebp - 0x34], eax
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x3c]
jne 0x4b3832
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4b3895
call fcn.004a51b8
ret
lea edx, [ebp - 0x68]
mov ecx, 0x40000002
mov eax, dword [ebp - 4]
mov ebx, dword [eax]
call dword [ebx + 0x48]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10