Function at 0x437984
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
push ecx
mov edx, dword [esi + 0xe8]
test edx, edx
je 0x43799e
mov ecx, dword [esi + 0x84]
sub ecx, dword [ebp + 0xc]
dec ecx
jmp 0x4379a1
mov ecx, dword [ebp + 0xc]
mov eax, dword [esi + 0xcc]
push ebx
mov ebx, dword [esi + 0xd4]
push edi
mov edi, eax
imul edi, ecx
mov ecx, ebx
imul ecx, dword [ebp + 8]
add edi, ecx
add edi, dword [esi + 0xc8]
xor ecx, ecx
cmp edx, ecx
je 0x4379ca
neg eax
mov dword [ebp - 4], eax
cmp dword [esi + 0xe0], ecx
jne 0x437d8d
cmp dword [esi + 0xe4], ecx
jne 0x437d8d
mov eax, dword [esi + 0xd8]
test al, 2
jne 0x437a29
test eax, 0x100
jne 0x437a5c
test al, 8
je 0x437a7f
cmp ebx, 4
jne 0x437dac
jmp 0x437a75
mov al, byte [esi + 0xf0]
xor byte [edi + 2], al
mov al, byte [esi + 0xf4]
xor byte [edi + 1], al
mov al, byte [esi + 0xf8]
xor byte [edi], al
dec dword [ebp + 0x10]
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], ecx
jne 0x437a09
jmp 0x437dac
mov al, byte [esi + 0xf0]
dec dword [ebp + 0x10]
mov byte [edi + 2], al
mov al, byte [esi + 0xf4]
mov byte [edi + 1], al
mov al, byte [esi + 0xf8]
mov byte [edi], al
mov al, byte [esi + 0xfc]
mov byte [edi + 3], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], ecx
jne 0x437a33
jmp 0x437dac
mov al, byte [esi + 0xfc]
dec dword [ebp + 0x10]
mov byte [edi + 3], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], ecx
jne 0x437a66
jmp 0x437dac
test al, 0x10
je 0x437c3b
cmp ebx, 4
jne 0x437bd7
cmp dword [ebp + 0x10], ecx
je 0x437dac
mov ebx, dword [esi + 0xfc]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x437aad
movzx eax, byte [edi + 2]
jmp 0x437aec
test edx, edx
jne 0x437abc
mov eax, dword [esi + 0xf0]
cdq
idiv ebx
jmp 0x437aec
movzx eax, byte [edi + 2]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0x100]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xf0]
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 + 0xfc]
test ebx, ebx
jne 0x437aff
movzx eax, byte [edi + 1]
jmp 0x437b42
movzx edx, byte [edi + 3]
test edx, edx
jne 0x437b12
mov eax, dword [esi + 0xf4]
cdq
idiv ebx
jmp 0x437b42
movzx eax, byte [edi + 1]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0x100]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xf4]
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 + 0xfc]
test ebx, ebx
jne 0x437b54
movzx eax, byte [edi]
jmp 0x437b9a
movzx eax, byte [edi + 3]
test eax, eax
jne 0x437b67
mov eax, dword [esi + 0xf8]
cdq
idiv ebx
jmp 0x437b9a
movzx eax, byte [edi]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0x100]
movzx edx, byte [edi + 3]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xf8]
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 + 0x100]
imul eax, ecx
mov ecx, dword [esi + 0xfc]
imul ecx, ecx, 0xff
add eax, ecx
cdq
mov ecx, 0xff
idiv ecx
dec dword [ebp + 0x10]
mov byte [edi + 3], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], 0
jne 0x437a99
jmp 0x437dac
cmp dword [ebp + 0x10], ecx
je 0x437dac
movzx eax, byte [edi + 2]
imul eax, dword [esi + 0x100]
add eax, dword [esi + 0xf0]
mov ecx, 0xff
cdq
mov ebx, ecx
idiv ebx
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [esi + 0x100]
add eax, dword [esi + 0xf4]
cdq
idiv ebx
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [esi + 0x100]
add eax, dword [esi + 0xf8]
cdq
idiv ecx
dec dword [ebp + 0x10]
mov byte [edi], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], 0
jne 0x437be0
jmp 0x437dac
test al, 0x20
je 0x437d86
cmp ebx, 4
jne 0x437d86
cmp dword [ebp + 0x10], ecx
je 0x437dac
mov ebx, dword [esi + 0xfc]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x437c69
movzx eax, byte [edi + 2]
jmp 0x437ca8
test edx, edx
jne 0x437c78
mov eax, dword [esi + 0xf0]
cdq
idiv ebx
jmp 0x437ca8
movzx eax, byte [edi + 2]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0x100]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xf0]
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 + 0xfc]
test ebx, ebx
jne 0x437cbb
movzx eax, byte [edi + 1]
jmp 0x437cfe
movzx edx, byte [edi + 3]
test edx, edx
jne 0x437cce
mov eax, dword [esi + 0xf4]
cdq
idiv ebx
jmp 0x437cfe
movzx eax, byte [edi + 1]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0x100]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xf4]
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 + 0xfc]
test ebx, ebx
jne 0x437d10
movzx eax, byte [edi]
jmp 0x437d52
movzx edx, byte [edi + 3]
test edx, edx
jne 0x437d23
mov eax, dword [esi + 0xf8]
cdq
idiv ebx
jmp 0x437d52
movzx eax, byte [edi]
imul ebx, ebx, 0xff
mov ecx, dword [esi + 0x100]
imul eax, ecx
imul eax, edx
mov edx, dword [esi + 0xf8]
imul edx, edx, 0xff
add eax, edx
movzx edx, byte [edi + 3]
imul ecx, edx
cdq
add ecx, ebx
idiv ecx
dec dword [ebp + 0x10]
mov byte [edi], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], 0
jne 0x437c55
jmp 0x437dac
mov al, byte [esi + 0xf0]
dec dword [ebp + 0x10]
mov byte [edi + 2], al
mov al, byte [esi + 0xf4]
mov byte [edi + 1], al
mov al, byte [esi + 0xf8]
mov byte [edi], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], ecx
jne 0x437d66
jmp 0x437dac
cmp dword [ebp + 0x10], ecx
je 0x437dac
push dword [ebp + 0xc]
mov eax, esi
push dword [ebp + 8]
call fcn.00437035
add edi, dword [ebp - 4]
inc dword [ebp + 0xc]
dec dword [ebp + 0x10]
pop ecx
pop ecx
jne 0x437d92
pop edi
pop ebx
leave
ret