Function at 0x419670
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x14
mov esi, ecx
mov dword [ecx], 0
mov dword [esp], 0xbff2bf8d
mov dword [esp + 4], 0xbffebff2
mov dword [esp + 8], 0xbfcfbfe1
mov dword [esp + 0xc], 0xbfd1bfd0
mov dword [esp + 0x10], 0xbf03bfd2
xor eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
movzx edx, word [esp + eax*2]
mov edi, 0xeab5
sub edi, eax
lea ecx, [eax + 0x5bd4154a]
or ecx, edx
not edx
or edx, edi
and ecx, edx
mov edx, ecx
not edx
and edx, 0x5da7
and ecx, 0xa258
sub ecx, edx
add ecx, 0xffffb357
mov word [esp + eax*2], cx
lea ecx, [eax + eax]
and ecx, 2
xor eax, 1
add eax, ecx
cmp eax, 0xa
jb 0x4196b0
lea edi, [esi + 4]
movzx eax, word [esp]
mov ebx, edi
test ax, ax
je 0x419721
lea ecx, [esp + 2]
mov ebx, edi
nop
nop
nop
nop
nop
nop
nop
mov word [ebx], ax
add ebx, 2
movzx eax, word [ecx]
add ecx, 2
test ax, ax
jne 0x419710
mov word [ebx], 0
call fcn.00408700
mov ecx, eax
mov ebp, 0x51eb851f
mul ebp
shr edx, 5
imul eax, edx, 0x64
sub ecx, eax
movsx eax, byte [ecx + ecx + str.00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899]
mov word [ebx], ax
movsx eax, byte [ecx + ecx + 0x43c2bd]
mov word [ebx + 2], ax
call fcn.00408700
mov ecx, eax
mul ebp
shr edx, 5
imul eax, edx, 0x64
sub ecx, eax
movsx eax, byte [ecx + ecx + str.00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899]
mov word [ebx + 4], ax
movsx eax, byte [ecx + ecx + 0x43c2bd]
mov word [ebx + 6], ax
mov word [ebx + 8], 0x5f
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0xa], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0xc], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0xe], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x10], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0x12], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x14], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0x16], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x18], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0x1a], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x1c], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0x1e], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x20], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0x22], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x24], ax
call fcn.00408700
movzx eax, al
add eax, eax
movsx ecx, byte [eax + str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
mov word [ebx + 0x26], cx
movsx eax, byte [eax + 0x43c386]
mov word [ebx + 0x28], ax
mov word [ebx + 0x2a], 0
push 0x65ba7050
push dword [0x445334]
call fcn.00438a90
add esp, 8
push 0
push 0xf00c7
push 0
push 0
push 0
push edi
call eax
mov dword [esi], eax
mov eax, esi
add esp, 0x14
pop esi
pop edi
pop ebx
pop ebp
ret