Function at 0x4070a4
Capabilities:
Encode data using xor
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffb0
push ebx
push esi
push edi
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
mov ebx, eax
test ebx, ebx
je 0x4070d2
cmp dword [ebp - 4], 0
je 0x4070d2
mov eax, dword [ebp - 4]
cmp byte [eax], 0
je 0x4070d2
mov eax, dword [ebx + 0x11]
mov edx, dword [ebp - 4]
cmp eax, dword [edx + 0x46]
je 0x4070dc
mov eax, 0xfffffffb
jmp 0x407430
cmp dword [ebp - 4], 0
je 0x407105
mov edx, dword [ebp - 4]
cmp byte [edx], 1
jne 0x407105
mov eax, dword [ebp - 4]
mov eax, dword [eax + 1]
cmp eax, 0x80
je 0x40710f
cmp eax, 0xc0
je 0x40710f
cmp eax, 0x100
je 0x40710f
mov eax, 0xfffffffe
jmp 0x407430
test ebx, ebx
je 0x40713c
mov al, byte [ebx]
cmp al, 1
je 0x407121
cmp al, 2
je 0x407121
cmp al, 3
jne 0x40713c
mov edx, dword [ebx + 0x11]
cmp edx, 0x80
je 0x407146
cmp edx, 0xc0
je 0x407146
cmp edx, 0x100
je 0x407146
mov eax, 0xfffffffb
jmp 0x407430
mov eax, dword [ebp + 0xc]
cdq
idiv dword [ebx + 0x11]
mov dword [ebp - 0x10], eax
mov al, byte [ebx]
dec al
je 0x407163
dec al
je 0x40725c
jmp 0x407423
mov eax, dword [ebp - 0x10]
dec eax
test eax, eax
jl 0x40742a
inc eax
mov dword [ebp - 0x14], eax
mov dword [ebp - 0xc], 0
mov eax, dword [ebx + 0x11]
test eax, eax
jns 0x407184
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4071d6
inc eax
mov dword [ebp - 0x18], eax
xor edx, edx
lea eax, [ebp - 0x50]
mov dword [ebp - 0x1c], eax
xor eax, eax
mov ecx, dword [ebp - 0x1c]
mov esi, ecx
mov ecx, dword [ebx + 0x11]
test ecx, ecx
jns 0x4071a9
add ecx, 7
sar ecx, 3
imul ecx, dword [ebp - 0xc]
mov edi, edx
shl edi, 2
add ecx, edi
add ecx, eax
mov edi, dword [ebp - 8]
mov cl, byte [edi + ecx]
and cl, 0xff
mov byte [esi], cl
inc eax
add esi, 8
cmp eax, 4
jne 0x40719f
inc edx
inc dword [ebp - 0x1c]
dec dword [ebp - 0x18]
jne 0x407198
mov eax, dword [ebp - 4]
add eax, 0x4a
push eax
mov ecx, dword [ebx + 0x11]
mov eax, dword [ebp - 4]
mov edx, dword [eax + 1]
lea eax, [ebp - 0x50]
call fcn.00405ea0
mov eax, dword [ebx + 0x11]
test eax, eax
jns 0x4071f8
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x40724b
inc eax
mov dword [ebp - 0x18], eax
xor edx, edx
lea eax, [ebp - 0x50]
mov dword [ebp - 0x20], eax
xor eax, eax
mov ecx, dword [ebp - 0x20]
mov esi, ecx
mov ecx, dword [ebx + 0x11]
test ecx, ecx
jns 0x40721d
add ecx, 7
sar ecx, 3
imul ecx, dword [ebp - 0xc]
mov edi, edx
shl edi, 2
add ecx, edi
add ecx, eax
mov edi, dword [ebp + 8]
lea ecx, [edi + ecx]
push ecx
mov cl, byte [esi]
pop edi
mov byte [edi], cl
inc eax
add esi, 8
cmp eax, 4
jne 0x407213
inc edx
inc dword [ebp - 0x20]
dec dword [ebp - 0x18]
jne 0x40720c
inc dword [ebp - 0xc]
dec dword [ebp - 0x14]
jne 0x40717a
jmp 0x40742a
mov eax, dword [ebp - 0x10]
dec eax
cmp eax, 1
jl 0x40736c
mov dword [ebp - 0xc], eax
mov eax, dword [ebx + 0x11]
test eax, eax
jns 0x407276
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4072c8
inc eax
mov dword [ebp - 0x14], eax
xor edx, edx
lea eax, [ebp - 0x50]
mov dword [ebp - 0x24], eax
xor eax, eax
mov ecx, dword [ebp - 0x24]
mov esi, ecx
mov ecx, dword [ebx + 0x11]
test ecx, ecx
jns 0x40729b
add ecx, 7
sar ecx, 3
imul ecx, dword [ebp - 0xc]
mov edi, edx
shl edi, 2
add ecx, edi
add ecx, eax
mov edi, dword [ebp - 8]
mov cl, byte [edi + ecx]
and cl, 0xff
mov byte [esi], cl
inc eax
add esi, 8
cmp eax, 4
jne 0x407291
inc edx
inc dword [ebp - 0x24]
dec dword [ebp - 0x14]
jne 0x40728a
mov eax, dword [ebp - 4]
add eax, 0x4a
push eax
mov ecx, dword [ebx + 0x11]
mov eax, dword [ebp - 4]
mov edx, dword [eax + 1]
lea eax, [ebp - 0x50]
call fcn.00405ea0
mov eax, dword [ebx + 0x11]
test eax, eax
jns 0x4072ea
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x40735f
inc eax
mov dword [ebp - 0x14], eax
xor edx, edx
lea eax, [ebp - 0x50]
mov dword [ebp - 0x28], eax
xor eax, eax
mov ecx, dword [ebp - 0x28]
mov esi, ecx
mov ecx, dword [ebp - 0xc]
dec ecx
mov edi, dword [ebx + 0x11]
test edi, edi
jns 0x407313
add edi, 7
sar edi, 3
imul ecx, edi
mov edi, edx
shl edi, 2
add ecx, edi
add ecx, eax
mov edi, dword [ebp - 8]
mov cl, byte [edi + ecx]
xor cl, byte [esi]
push ecx
mov ecx, dword [ebx + 0x11]
test ecx, ecx
jns 0x407335
add ecx, 7
sar ecx, 3
imul ecx, dword [ebp - 0xc]
mov edi, edx
shl edi, 2
add ecx, edi
add ecx, eax
mov edi, dword [ebp + 8]
add edi, ecx
pop ecx
mov byte [edi], cl
inc eax
add esi, 8
cmp eax, 4
jne 0x407305
inc edx
inc dword [ebp - 0x28]
dec dword [ebp - 0x14]
jne 0x4072fe
dec dword [ebp - 0xc]
cmp dword [ebp - 0xc], 0
jne 0x40726c
mov eax, dword [ebx + 0x11]
test eax, eax
jns 0x407376
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x4073b5
inc eax
mov dword [ebp - 0x14], eax
xor edx, edx
lea eax, [ebp - 0x50]
mov dword [ebp - 0x2c], eax
xor eax, eax
mov ecx, dword [ebp - 0x2c]
mov esi, ecx
mov ecx, edx
shl ecx, 2
add ecx, eax
mov edi, dword [ebp - 8]
mov cl, byte [edi + ecx]
and cl, 0xff
mov byte [esi], cl
inc eax
add esi, 8
cmp eax, 4
jne 0x407391
inc edx
inc dword [ebp - 0x2c]
dec dword [ebp - 0x14]
jne 0x40738a
mov eax, dword [ebp - 4]
add eax, 0x4a
push eax
mov ecx, dword [ebx + 0x11]
mov eax, dword [ebp - 4]
mov edx, dword [eax + 1]
lea eax, [ebp - 0x50]
call fcn.00405ea0
mov eax, dword [ebx + 0x11]
test eax, eax
jns 0x4073d7
add eax, 0x1f
sar eax, 5
dec eax
test eax, eax
jl 0x40742a
inc eax
mov dword [ebp - 0x14], eax
xor edx, edx
lea eax, [ebp - 0x50]
mov dword [ebp - 0x30], eax
xor eax, eax
mov ecx, dword [ebp - 0x30]
mov esi, ecx
mov ecx, edx
shl ecx, 2
add ecx, eax
mov cl, byte [ebx + ecx + 1]
xor cl, byte [esi]
push ecx
mov ecx, edx
shl ecx, 2
add ecx, eax
mov edi, dword [ebp + 8]
add edi, ecx
pop ecx
mov byte [edi], cl
inc eax
add esi, 8
cmp eax, 4
jne 0x4073f2
inc edx
inc dword [ebp - 0x30]
dec dword [ebp - 0x14]
jne 0x4073eb
jmp 0x40742a
mov eax, 0xfffffffb
jmp 0x407430
mov eax, dword [ebx + 0x11]
imul dword [ebp - 0x10]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8