Function at 0x440bf6
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x1c
mov eax, ecx
mov edi, dword [esp + 0x3c]
mov ecx, dword [esp + 0x30]
mov dword [esp], 0
mov dword [esp + 0xc], eax
mov eax, dword [eax + 8]
mov dword [esp + 0x18], eax
mov dword [esp + 4], 0x20272625
mov byte [esp + 8], 0
xor esi, esi
xor edx, edx
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ebp, byte [esp + edx + 4]
mov eax, esi
and eax, 2
mov ebx, edx
xor ebx, 0xad097a49
add ebx, eax
mov eax, ebx
and eax, ebp
add ebx, ebp
add eax, eax
sub ebx, eax
add bl, 0x93
mov byte [esp + edx + 4], bl
inc edx
add esi, 2
cmp edx, 5
jne 0x440bd0
mov eax, dword [esp + 4]
mov edx, dword [0x451b4c]
test edx, edx
je 0x440c31
xor ebx, ebx
mov ebp, dword [0x451b50]
mov esi, dword [esp + 0x34]
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [ebp + ebx*8], 0xf3285e74
je 0x440c37
inc ebx
cmp edx, ebx
jne 0x440c20
jmp 0x440c6b
mov esi, dword [esp + 0x34]
jmp 0x440c6b
mov edx, dword [ebp + ebx*8 + 4]
cmp edx, eax
je 0x440c6b
lea eax, [esp + 0x18]
mov esi, esp
push 4
push 0x3000
push eax
push 0
push esi
mov esi, dword [esp + 0x48]
push 0xffffffffffffffff
push 6
push dword [0x451b54]
push edx
mov ebx, ecx
call fcn.00441b10
mov ecx, ebx
add esp, 0x24
test eax, eax
js 0x440ccd
push 0
push 0
mov eax, dword [esp + 0x14]
push dword [eax + 8]
push dword [esp + 0xc]
push dword [eax + 4]
push dword [eax]
call fcn.0043ffa0
test eax, eax
jns 0x440ca1
mov ecx, eax
xor eax, eax
mov edx, 0
cmp ecx, 0x8000000d
jne 0x440d3b
mov ecx, dword [esp]
mov eax, dword [esp + 0xc]
mov ebx, dword [eax + 8]
add ebx, ecx
sub ebx, dword [esp + 0x38]
xor eax, eax
mov edx, 0
mov dword [esp + 0x10], ecx
cmp ebx, ecx
jbe 0x440d3b
mov eax, dword [esp + 0x38]
lea ebp, [eax - 1]
mov ecx, dword [esp + 0x10]
jmp 0x440ce4
xor eax, eax
xor edx, edx
jmp 0x440df0
add ecx, eax
inc ecx
xor eax, eax
mov edx, 0
cmp ecx, ebx
jae 0x440d3b
test edi, edi
je 0x440ced
cmp byte [edi], 0x3f
je 0x440cf4
movzx eax, byte [ecx]
cmp al, byte [esi]
jne 0x440cd8
cmp dword [esp + 0x38], 2
jb 0x440d1d
xor eax, eax
jmp 0x440d10
movzx edx, byte [ecx + eax + 1]
cmp dl, byte [esi + eax + 1]
jne 0x440cd6
inc eax
cmp ebp, eax
je 0x440d1d
test edi, edi
je 0x440d00
cmp byte [edi + eax + 1], 0x3f
jne 0x440d00
jmp 0x440d0b
test ecx, ecx
je 0x440d37
sub ecx, dword [esp + 0x10]
mov edx, ecx
sar edx, 0x1f
mov eax, dword [esp + 0xc]
add ecx, dword [eax]
adc edx, dword [eax + 4]
mov eax, ecx
jmp 0x440d3b
xor eax, eax
xor edx, edx
mov dword [esp + 0x14], 0
mov dword [esp + 4], 0x20272625
mov byte [esp + 8], 0
xor ecx, ecx
xor esi, esi
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx edi, byte [esp + esi + 4]
mov ebp, ecx
and ebp, 2
mov ebx, esi
xor ebx, 0xad097a49
add ebx, ebp
mov ebp, ebx
and ebp, edi
add ebx, edi
add ebp, ebp
sub ebx, ebp
add bl, 0x93
mov byte [esp + esi + 4], bl
inc esi
add ecx, 2
cmp esi, 5
jne 0x440d60
mov ecx, dword [0x451b4c]
test ecx, ecx
je 0x440df0
mov esi, dword [esp + 4]
xor edi, edi
mov ebx, dword [0x451b50]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [ebx + edi*8], 0x731cdbf3
je 0x440dc0
inc edi
cmp ecx, edi
jne 0x440db0
jmp 0x440df0
mov ecx, dword [ebx + edi*8 + 4]
cmp ecx, esi
je 0x440df0
lea esi, [esp + 0x14]
mov edi, esp
push 0x8000
push esi
push edi
push 0xffffffffffffffff
push 4
push dword [0x451b54]
push ecx
mov esi, eax
mov edi, edx
call fcn.00441b10
mov edx, edi
mov eax, esi
add esp, 0x1c
add esp, 0x1c
pop esi
pop edi
pop ebx
pop ebp
ret 0x10