Function at 0x42efed
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, dword [esi + 0xb4]
mov eax, dword [esi + 0xac]
push ebx
push edi
mov edi, dword [esi + 0x7c]
sub edi, dword [ebp + 0xc]
mov edx, ecx
imul edx, dword [ebp + 8]
dec edi
imul edi, eax
add edi, edx
add edi, dword [esi + 0xa8]
neg eax
xor edx, edx
mov ebx, eax
mov dword [ebp - 4], ebx
cmp dword [esi + 0xc0], edx
jne 0x42f3d8
cmp dword [esi + 0xc4], edx
jne 0x42f3d8
mov eax, dword [esi + 0xb8]
test al, 2
jne 0x42f077
test eax, 0x100
jne 0x42f0a9
test al, 8
je 0x42f0cb
cmp ecx, 4
jne 0x42f3f6
jmp 0x42f0c1
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
dec dword [ebp + 0x10]
add edi, ebx
cmp dword [ebp + 0x10], edx
jne 0x42f058
jmp 0x42f3f6
mov al, byte [esi + 0xcc]
dec dword [ebp + 0x10]
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, ebx
cmp dword [ebp + 0x10], edx
jne 0x42f081
jmp 0x42f3f6
mov al, byte [esi + 0xd8]
dec dword [ebp + 0x10]
mov byte [edi + 3], al
add edi, ebx
cmp dword [ebp + 0x10], edx
jne 0x42f0b3
jmp 0x42f3f6
test al, 0x10
je 0x42f287
cmp ecx, 4
jne 0x42f223
cmp dword [ebp + 0x10], edx
je 0x42f3f6
mov ebx, dword [esi + 0xd8]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x42f0f9
movzx eax, byte [edi + 2]
jmp 0x42f138
test edx, edx
jne 0x42f108
mov eax, dword [esi + 0xcc]
cdq
idiv ebx
jmp 0x42f138
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 0x42f14b
movzx eax, byte [edi + 1]
jmp 0x42f18e
movzx edx, byte [edi + 3]
test edx, edx
jne 0x42f15e
mov eax, dword [esi + 0xd0]
cdq
idiv ebx
jmp 0x42f18e
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 0x42f1a0
movzx eax, byte [edi]
jmp 0x42f1e6
movzx eax, byte [edi + 3]
test eax, eax
jne 0x42f1b3
mov eax, dword [esi + 0xd4]
cdq
idiv ebx
jmp 0x42f1e6
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
dec dword [ebp + 0x10]
mov byte [edi + 3], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], 0
jne 0x42f0e5
jmp 0x42f3f6
cmp dword [ebp + 0x10], edx
je 0x42f3f6
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
dec dword [ebp + 0x10]
mov byte [edi], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], 0
jne 0x42f22c
jmp 0x42f3f6
test al, 0x20
je 0x42f3d1
cmp ecx, 4
jne 0x42f3d1
cmp dword [ebp + 0x10], edx
je 0x42f3f6
mov ebx, dword [esi + 0xd8]
movzx edx, byte [edi + 3]
test ebx, ebx
jne 0x42f2b5
movzx eax, byte [edi + 2]
jmp 0x42f2f4
test edx, edx
jne 0x42f2c4
mov eax, dword [esi + 0xcc]
cdq
idiv ebx
jmp 0x42f2f4
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 0x42f307
movzx eax, byte [edi + 1]
jmp 0x42f34a
movzx edx, byte [edi + 3]
test edx, edx
jne 0x42f31a
mov eax, dword [esi + 0xd0]
cdq
idiv ebx
jmp 0x42f34a
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 0x42f35c
movzx eax, byte [edi]
jmp 0x42f39e
movzx edx, byte [edi + 3]
test edx, edx
jne 0x42f36f
mov eax, dword [esi + 0xd4]
cdq
idiv ebx
jmp 0x42f39e
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
dec dword [ebp + 0x10]
mov byte [edi], al
add edi, dword [ebp - 4]
cmp dword [ebp + 0x10], 0
jne 0x42f2a1
jmp 0x42f3f6
mov al, byte [esi + 0xcc]
dec dword [ebp + 0x10]
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, ebx
cmp dword [ebp + 0x10], edx
jne 0x42f3b2
jmp 0x42f3f6
cmp dword [ebp + 0x10], edx
je 0x42f3f6
push dword [ebp + 0xc]
mov eax, esi
push dword [ebp + 8]
call fcn.0042e6c4
add edi, ebx
inc dword [ebp + 0xc]
dec dword [ebp + 0x10]
pop ecx
pop ecx
jne 0x42f3dd
pop edi
pop ebx
leave
ret