Function at 0x4437f5
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 0x443c4d
cmp dword [esi + 0xc4], edx
jne 0x443c4d
mov ecx, dword [esi + 0xb8]
test cl, 2
je 0x443874
cmp dword [ebp + 0x10], edx
je 0x443c6f
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 0x44384a
jmp 0x443c6f
test ecx, 0x100
je 0x4438b5
cmp dword [ebp + 0x10], edx
je 0x443c6f
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 0x443885
jmp 0x443c6f
test cl, 8
je 0x4438e4
cmp eax, 4
jne 0x443c6f
cmp dword [ebp + 0x10], edx
je 0x443c6f
add edi, 3
mov al, byte [esi + 0xd8]
mov byte [edi], al
add edi, 4
dec dword [ebp + 0x10]
jne 0x4438cf
jmp 0x443c6f
test cl, 0x10
je 0x443a99
cmp eax, 4
jne 0x443a39
cmp dword [ebp + 0x10], edx
je 0x443c6f
mov ebx, dword [esi + 0xd8]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x443913
movzx eax, byte [edi + 2]
jmp 0x443952
test edx, edx
jne 0x443922
mov eax, dword [esi + 0xcc]
cdq
idiv ebx
jmp 0x443952
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 0x443965
movzx eax, byte [edi + 1]
jmp 0x4439a8
movzx edx, byte [edi + 3]
test edx, edx
jne 0x443978
mov eax, dword [esi + 0xd0]
cdq
idiv ebx
jmp 0x4439a8
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 0x4439ba
movzx eax, byte [edi]
jmp 0x443a00
movzx eax, byte [edi + 3]
test eax, eax
jne 0x4439cd
mov eax, dword [esi + 0xd4]
cdq
idiv ebx
jmp 0x443a00
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 0x4438ff
jmp 0x443c6f
cmp dword [ebp + 0x10], edx
je 0x443c6f
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 0x443a42
jmp 0x443c6f
test cl, 0x20
je 0x443c21
cmp eax, 4
jne 0x443bc4
cmp dword [ebp + 0x10], edx
je 0x443c6f
mov ebx, dword [esi + 0xd8]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x443ac8
movzx eax, byte [edi + 2]
jmp 0x443b07
test edx, edx
jne 0x443ad7
mov eax, dword [esi + 0xcc]
cdq
idiv ebx
jmp 0x443b07
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 0x443b1a
movzx eax, byte [edi + 1]
jmp 0x443b5d
movzx edx, byte [edi + 3]
test edx, edx
jne 0x443b2d
mov eax, dword [esi + 0xd0]
cdq
idiv ebx
jmp 0x443b5d
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 0x443b6f
movzx eax, byte [edi]
jmp 0x443bb1
movzx edx, byte [edi + 3]
test edx, edx
jne 0x443b82
mov eax, dword [esi + 0xd4]
cdq
idiv ebx
jmp 0x443bb1
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 0x443ab4
jmp 0x443c6f
cmp dword [ebp + 0x10], edx
je 0x443c6f
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 0x443bcd
jmp 0x443c6f
cmp dword [ebp + 0x10], edx
je 0x443c6f
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 0x443c26
jmp 0x443c6f
cmp dword [ebp + 0x10], edx
je 0x443c6f
push dword [ebp + 0xc]
mov eax, esi
push dword [ebp + 8]
call fcn.0044334a
add edi, dword [esi + 0xb4]
inc dword [ebp + 8]
dec dword [ebp + 0x10]
pop ecx
pop ecx
jne 0x443c52
pop edi
pop ebx
pop ebp
ret