Function at 0x4a23b1
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [esi + 0xb4]
push ebx
push edi
mov edi, dword [esi + 0x7c]
sub edi, dword [ebp + 0xc]
mov ecx, eax
imul ecx, dword [ebp + 8]
dec edi
imul edi, dword [esi + 0xac]
add edi, ecx
add edi, dword [esi + 0xa8]
xor edx, edx
cmp dword [esi + 0xc0], edx
jne 0x4a2809
cmp dword [esi + 0xc4], edx
jne 0x4a2809
mov ecx, dword [esi + 0xb8]
test cl, 2
je 0x4a2430
cmp dword [ebp + 0x10], edx
je 0x4a282b
mov al, byte [esi + 0xcc]
xor byte [edi + 2], al
mov al, byte [esi + 0xd0]
xor byte [edi + 1], al
mov al, byte [esi + 0xd4]
xor byte [edi], al
add edi, dword [esi + 0xb4]
dec dword [ebp + 0x10]
jne 0x4a2406
jmp 0x4a282b
test ecx, 0x100
je 0x4a2471
cmp dword [ebp + 0x10], edx
je 0x4a282b
mov al, byte [esi + 0xcc]
mov byte [edi + 2], al
mov al, byte [esi + 0xd0]
mov byte [edi + 1], al
mov al, byte [esi + 0xd4]
mov byte [edi], al
mov al, byte [esi + 0xd8]
mov byte [edi + 3], al
add edi, 4
dec dword [ebp + 0x10]
jne 0x4a2441
jmp 0x4a282b
test cl, 8
je 0x4a24a0
cmp eax, 4
jne 0x4a282b
cmp dword [ebp + 0x10], edx
je 0x4a282b
add edi, 3
mov al, byte [esi + 0xd8]
mov byte [edi], al
add edi, 4
dec dword [ebp + 0x10]
jne 0x4a248b
jmp 0x4a282b
test cl, 0x10
je 0x4a2655
cmp eax, 4
jne 0x4a25f5
cmp dword [ebp + 0x10], edx
je 0x4a282b
mov ebx, dword [esi + 0xd8]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x4a24cf
movzx eax, byte [edi + 2]
jmp 0x4a250e
test edx, edx
jne 0x4a24de
mov eax, dword [esi + 0xcc]
cdq
idiv ebx
jmp 0x4a250e
movzx eax, byte [edi + 2]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0xdc]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xcc]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
mov byte [edi + 2], al
mov ebx, dword [esi + 0xd8]
test ebx, ebx
jne 0x4a2521
movzx eax, byte [edi + 1]
jmp 0x4a2564
movzx edx, byte [edi + 3]
test edx, edx
jne 0x4a2534
mov eax, dword [esi + 0xd0]
cdq
idiv ebx
jmp 0x4a2564
movzx eax, byte [edi + 1]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0xdc]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xd0]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
mov byte [edi + 1], al
mov ebx, dword [esi + 0xd8]
test ebx, ebx
jne 0x4a2576
movzx eax, byte [edi]
jmp 0x4a25bc
movzx eax, byte [edi + 3]
test eax, eax
jne 0x4a2589
mov eax, dword [esi + 0xd4]
cdq
idiv ebx
jmp 0x4a25bc
movzx eax, byte [edi]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0xdc]
movzx edx, byte [edi + 3]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xd4]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
movzx ecx, byte [edi + 3]
mov byte [edi], al
mov eax, dword [esi + 0xdc]
imul eax, ecx
mov ecx, dword [esi + 0xd8]
imul ecx, ecx, 0xff
add eax, ecx
cdq
mov ecx, 0xff
idiv ecx
add edi, 4
dec dword [ebp + 0x10]
mov byte [edi - 1], al
jne 0x4a24bb
jmp 0x4a282b
cmp dword [ebp + 0x10], edx
je 0x4a282b
movzx eax, byte [edi + 2]
imul eax, dword [esi + 0xdc]
add eax, dword [esi + 0xcc]
mov ecx, 0xff
cdq
mov ebx, ecx
idiv ebx
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [esi + 0xdc]
add eax, dword [esi + 0xd0]
cdq
idiv ebx
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [esi + 0xdc]
add eax, dword [esi + 0xd4]
cdq
idiv ecx
mov byte [edi], al
add edi, 3
dec dword [ebp + 0x10]
jne 0x4a25fe
jmp 0x4a282b
test cl, 0x20
je 0x4a27dd
cmp eax, 4
jne 0x4a2780
cmp dword [ebp + 0x10], edx
je 0x4a282b
mov ebx, dword [esi + 0xd8]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x4a2684
movzx eax, byte [edi + 2]
jmp 0x4a26c3
test edx, edx
jne 0x4a2693
mov eax, dword [esi + 0xcc]
cdq
idiv ebx
jmp 0x4a26c3
movzx eax, byte [edi + 2]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0xdc]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xcc]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
mov byte [edi + 2], al
mov ebx, dword [esi + 0xd8]
test ebx, ebx
jne 0x4a26d6
movzx eax, byte [edi + 1]
jmp 0x4a2719
movzx edx, byte [edi + 3]
test edx, edx
jne 0x4a26e9
mov eax, dword [esi + 0xd0]
cdq
idiv ebx
jmp 0x4a2719
movzx eax, byte [edi + 1]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0xdc]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xd0]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
mov byte [edi + 1], al
mov ebx, dword [esi + 0xd8]
test ebx, ebx
jne 0x4a272b
movzx eax, byte [edi]
jmp 0x4a276d
movzx edx, byte [edi + 3]
test edx, edx
jne 0x4a273e
mov eax, dword [esi + 0xd4]
cdq
idiv ebx
jmp 0x4a276d
movzx eax, byte [edi]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0xdc]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xd4]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
mov byte [edi], al
add edi, 4
dec dword [ebp + 0x10]
jne 0x4a2670
jmp 0x4a282b
cmp dword [ebp + 0x10], edx
je 0x4a282b
movzx eax, byte [edi + 2]
imul eax, dword [esi + 0xdc]
add eax, dword [esi + 0xcc]
mov ecx, 0xff
cdq
mov ebx, ecx
idiv ebx
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [esi + 0xdc]
add eax, dword [esi + 0xd0]
cdq
idiv ebx
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [esi + 0xdc]
add eax, dword [esi + 0xd4]
cdq
idiv ecx
mov byte [edi], al
add edi, 3
dec dword [ebp + 0x10]
jne 0x4a2789
jmp 0x4a282b
cmp dword [ebp + 0x10], edx
je 0x4a282b
mov al, byte [esi + 0xcc]
mov byte [edi + 2], al
mov al, byte [esi + 0xd0]
mov byte [edi + 1], al
mov al, byte [esi + 0xd4]
mov byte [edi], al
add edi, dword [esi + 0xb4]
dec dword [ebp + 0x10]
jne 0x4a27e2
jmp 0x4a282b
cmp dword [ebp + 0x10], edx
je 0x4a282b
push dword [ebp + 0xc]
mov eax, esi
push dword [ebp + 8]
call fcn.004a1f06
add edi, dword [esi + 0xb4]
inc dword [ebp + 8]
dec dword [ebp + 0x10]
pop ecx
pop ecx
jne 0x4a280e
pop edi
pop ebx
pop ebp
ret