Function at 0x43a0e0
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x18
cmp dword [ecx + 8], 0
je 0x43a170
mov edx, dword [ecx]
test edx, edx
je 0x43a170
mov dword [esp], 0xe4e5e6e7
xor eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebx, byte [esp + eax]
mov esi, 0xa7
sub esi, eax
mov edi, eax
or edi, ebx
or edi, 0x58
not ebx
or ebx, esi
and ebx, edi
add bl, 0x40
mov byte [esp + eax], bl
mov esi, eax
or esi, 0xd1571d11
and eax, 1
add eax, esi
add eax, 0x2ea8e2f0
cmp eax, 4
jb 0x43a110
mov eax, dword [esp]
mov ebx, dword [0x4497e4]
test ebx, ebx
je 0x43a1ec
xor edi, edi
mov esi, dword [0x4497e8]
nop
nop
cmp dword [esi + edi*8], 0xddb7c3f3
je 0x43a1cb
inc edi
cmp ebx, edi
jne 0x43a160
jmp 0x43a1ec
mov dword [esp], 0x10dfdec5
mov eax, esp
mov ecx, 0x6d78608a
nop
nop
movzx esi, byte [eax]
mov edx, ecx
or edx, esi
lea edi, [ecx - 0x6d786000]
and edi, esi
not edx
or edx, edi
lea esi, [edx + 0x6bc30457]
mov ebx, esi
mov edi, esi
xor edi, 0xfe
or esi, 1
and esi, edi
not ebx
or ebx, 0xfe
add ebx, edx
add ebx, esi
add bl, 0x59
mov byte [eax], bl
inc eax
dec ecx
cmp ecx, 0x6d786086
jne 0x43a180
mov eax, dword [esp]
jmp 0x43a37b
mov esi, dword [esi + edi*8 + 4]
cmp esi, eax
je 0x43a1ec
push dword [ebp + 8]
push edx
push 8
push esi
push dword [0x4497ec]
mov esi, ecx
call fcn.0043b5f0
mov ecx, esi
add esp, 0x14
cmp dword [ebp + 0xc], 0
je 0x43a2c4
cmp eax, 0xc000010a
jne 0x43a2c4
mov edx, 0xffffd8f0
mov esi, dword [ebp + 0xc]
mov eax, esi
mul edx
sub edx, esi
mov dword [esp], eax
mov dword [esp + 4], edx
mov eax, dword [ecx]
mov dword [esp + 0xc], eax
mov dword [esp + 0x10], 0xe4e5e6e7
xor eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebx, byte [esp + eax + 0x10]
mov edx, 0xa7
sub edx, eax
mov esi, eax
or esi, ebx
or esi, 0x58
not ebx
or ebx, edx
and ebx, esi
add bl, 0x40
mov byte [esp + eax + 0x10], bl
mov edx, eax
or edx, 0xd1571d11
and eax, 1
add eax, edx
add eax, 0x2ea8e2f0
cmp eax, 4
jb 0x43a230
xor edi, edi
cmp dword [ebp + 0xc], 0xffffffff
je 0x43a271
mov edi, esp
mov eax, dword [esp + 0x10]
mov esi, dword [0x4497e4]
test esi, esi
je 0x43a2c4
xor ebx, ebx
mov edx, dword [0x4497e8]
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [edx + ebx*8], 0xa67d73aa
je 0x43a2a0
inc ebx
cmp esi, ebx
jne 0x43a290
jmp 0x43a2c4
mov edx, dword [edx + ebx*8 + 4]
cmp edx, eax
je 0x43a2c4
push edi
push 0
push dword [esp + 0x14]
push 0xc
push edx
push dword [0x4497ec]
mov esi, ecx
call fcn.0043b5f0
mov ecx, esi
add esp, 0x18
test eax, eax
js 0x43a37b
mov edx, dword [ecx]
test edx, edx
je 0x43a37b
mov dword [esp + 0xc], edx
mov dword [esp], 0xe4e5e6e7
xor esi, esi
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebx, byte [esp + esi]
mov edi, 0xa7
sub edi, esi
mov edx, esi
or edx, ebx
or edx, 0x58
not ebx
or ebx, edi
and ebx, edx
add bl, 0x40
mov byte [esp + esi], bl
mov edx, esi
or edx, 0xd1571d11
and esi, 1
add esi, edx
add esi, 0x2ea8e2f0
cmp esi, 4
jb 0x43a2f0
mov esi, dword [0x4497e4]
test esi, esi
je 0x43a375
mov edx, dword [esp]
xor ebx, ebx
mov edi, dword [0x4497e8]
nop
nop
nop
nop
nop
cmp dword [edi + ebx*8], 0xb430e561
je 0x43a350
inc ebx
cmp esi, ebx
jne 0x43a340
jmp 0x43a375
mov esi, dword [edi + ebx*8 + 4]
cmp esi, edx
je 0x43a375
push dword [esp + 0xc]
push 4
push esi
push dword [0x4497ec]
mov esi, ecx
mov edi, eax
call fcn.0043b5f0
mov eax, edi
mov ecx, esi
add esp, 0x10
mov dword [ecx], 0
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret 8