Function at 0x419a40
Capabilities:
Encode data using xor
Encrypt data using aes
Encrypt data using rc4 ksa
Reference aes constants

Disassembly:
sub esp, 0x10
push ebx
push ebp
push edi
mov edi, 0x10
mov dword [esi + 0x3cc], edi
mov dword [esi + 0x3c8], edi
mov eax, dword [0x505024]
mov dword [esi + 0x3d4], eax
mov ecx, dword [0x505028]
mov dword [esi + 0x3d8], ecx
mov edx, dword [0x50502c]
mov dword [esi + 0x3dc], edx
mov eax, dword [0x505030]
mov dword [esi + 0x3e0], eax
mov ecx, dword [esi + 0x3cc]
push ecx
lea edx, [esi + 0x3f4]
push 0x505024
push edx
call fcn.004c4ce0
mov eax, dword [esi + 0x3c8]
add esp, 0xc
cmp eax, edi
je 0x419acd
cmp eax, 0x18
je 0x419abb
mov dword [esi + 0x3d0], 0xe
jmp 0x419af2
xor eax, eax
cmp dword [esi + 0x3cc], 0x20
sete al
lea eax, [eax + eax + 0xc]
jmp 0x419aec
mov eax, dword [esi + 0x3cc]
cmp eax, edi
jne 0x419ade
mov eax, 0xa
jmp 0x419aec
xor ecx, ecx
cmp eax, 0x18
setne cl
lea ecx, [ecx + ecx + 0xc]
mov eax, ecx
mov dword [esi + 0x3d0], eax
mov eax, dword [esi + 0x3cc]
cdq
and edx, 3
add eax, edx
mov ebp, eax
sar ebp, 2
xor edx, edx
cmp dword [esi + 0x3d0], edx
mov dword [esp + 0xc], ebp
jl 0x419b2e
lea ebx, [esi + 8]
test ebp, ebp
jle 0x419b20
mov ecx, ebp
xor eax, eax
mov edi, ebx
rep stosd dword es:[edi], eax
add edx, 1
add ebx, 0x20
cmp edx, dword [esi + 0x3d0]
jle 0x419b14
xor edx, edx
cmp dword [esi + 0x3d0], edx
jl 0x419b5a
lea ebx, [esi + 0x1e8]
mov edi, edi
test ebp, ebp
jle 0x419b4c
mov ecx, ebp
xor eax, eax
mov edi, ebx
rep stosd dword es:[edi], eax
add edx, 1
add ebx, 0x20
cmp edx, dword [esi + 0x3d0]
jle 0x419b40
mov eax, dword [esi + 0x3d0]
add eax, 1
imul eax, ebp
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0x3c8]
cdq
and edx, 3
add eax, edx
mov edi, eax
mov eax, dword [esp + 0x20]
sar edi, 2
test edi, edi
lea ecx, [esi + 0x414]
jle 0x419bc7
mov ebp, edi
jmp 0x419b90
movzx edx, byte [eax]
shl edx, 0x18
mov dword [ecx], edx
movzx edx, byte [eax + 1]
add eax, 1
shl edx, 0x10
or dword [ecx], edx
add eax, 1
xor edx, edx
mov dh, byte [eax]
add eax, 1
add eax, 1
add ecx, 4
or dword [ecx - 4], edx
movzx edx, byte [eax - 1]
or dword [ecx - 4], edx
sub ebp, 1
jne 0x419b90
mov ebp, dword [esp + 0xc]
xor ebx, ebx
test edi, edi
mov dword [esp + 0x20], ebx
jle 0x419c22
lea ecx, [esi + 0x414]
mov dword [esp + 0x20], ecx
jmp 0x419be0
cmp ebx, dword [esp + 0x10]
jge 0x419c1e
mov eax, ebx
cdq
idiv ebp
mov ecx, dword [ecx]
add ebx, 1
lea ebp, [edx + eax*8]
mov dword [esi + ebp*4 + 8], ecx
mov ecx, dword [esi + 0x3d0]
mov ebp, dword [esp + 0xc]
sub ecx, eax
lea edx, [edx + ecx*8]
mov ecx, dword [esp + 0x20]
mov eax, dword [ecx]
add ecx, 4
cmp ebx, edi
mov dword [esi + edx*4 + 0x1e8], eax
mov dword [esp + 0x20], ecx
jl 0x419be0
mov dword [esp + 0x20], ebx
cmp ebx, dword [esp + 0x10]
jge 0x419db4
mov dword [esp + 0x14], 0x500b58
mov eax, dword [esi + edi*4 + 0x410]
mov ecx, eax
sar ecx, 0x10
and ecx, 0xff
movsx edx, byte [ecx + str.cw]
mov ecx, dword [esp + 0x14]
movsx ecx, byte [ecx]
xor edx, ecx
add dword [esp + 0x14], 1
movzx ecx, ah
movzx ecx, byte [ecx + str.cw]
shl edx, 8
xor edx, ecx
mov ecx, eax
and ecx, 0xff
movzx ecx, byte [ecx + str.cw]
sar eax, 0x18
shl edx, 8
and eax, 0xff
movzx eax, byte [eax + str.cw]
xor edx, ecx
shl edx, 8
xor edx, eax
xor dword [esi + 0x414], edx
cmp edi, 8
je 0x419cc2
cmp edi, 1
jle 0x419d4d
lea eax, [esi + 0x418]
lea ecx, [edi - 1]
nop
mov edx, dword [eax - 4]
xor dword [eax], edx
add eax, 4
sub ecx, 1
jne 0x419cb0
jmp 0x419d4d
lea eax, [esi + 0x418]
mov ecx, 3
lea ecx, [ecx]
mov edx, dword [eax - 4]
xor dword [eax], edx
add eax, 4
sub ecx, 1
jne 0x419cd0
mov eax, dword [esi + 0x420]
mov ecx, eax
sar ecx, 0x18
and ecx, 0xff
movsx edx, byte [ecx + str.cw]
mov ecx, eax
sar ecx, 0x10
and ecx, 0xff
movzx ecx, byte [ecx + str.cw]
shl edx, 8
xor edx, ecx
movzx ecx, ah
movzx ecx, byte [ecx + str.cw]
shl edx, 8
and eax, 0xff
movzx eax, byte [eax + str.cw]
xor edx, ecx
shl edx, 8
xor edx, eax
xor dword [esi + 0x424], edx
lea eax, [esi + 0x428]
mov ecx, 3
lea ecx, [ecx]
mov edx, dword [eax - 4]
xor dword [eax], edx
add eax, 4
sub ecx, 1
jne 0x419d40
test edi, edi
mov dword [esp + 0x18], 0
jle 0x419daa
lea ecx, [esi + 0x414]
nop
cmp ebx, dword [esp + 0x10]
jge 0x419db4
mov eax, ebx
cdq
idiv ebp
mov ebp, dword [ecx]
add ecx, 4
lea ebx, [edx + eax*8]
mov dword [esi + ebx*4 + 8], ebp
mov ebx, dword [esi + 0x3d0]
mov ebp, dword [esp + 0xc]
sub ebx, eax
lea eax, [edx + ebx*8]
mov edx, dword [ecx - 4]
mov ebx, dword [esp + 0x20]
mov dword [esi + eax*4 + 0x1e8], edx
mov eax, dword [esp + 0x18]
add eax, 1
add ebx, 1
cmp eax, edi
mov dword [esp + 0x18], eax
mov dword [esp + 0x20], ebx
jl 0x419d60
cmp ebx, dword [esp + 0x10]
jl 0x419c34
mov eax, 1
cmp dword [esi + 0x3d0], eax
mov dword [esp + 0x20], eax
jle 0x419e52
lea ecx, [esi + 0x208]
mov dword [esp + 0x18], ecx
test ebp, ebp
jle 0x419e27
mov edx, ebp
lea esp, [esp]
mov eax, dword [ecx]
mov edi, eax
sar edi, 0x18
and edi, 0xff
mov edi, dword [edi*4 + 0x4ffb58]
mov ebx, eax
sar ebx, 0x10
and ebx, 0xff
xor edi, dword [ebx*4 + 0x4fff58]
movzx ebx, ah
xor edi, dword [ebx*4 + 0x500358]
and eax, 0xff
xor edi, dword [eax*4 + 0x500758]
add ecx, 4
sub edx, 1
mov dword [ecx - 4], edi
jne 0x419de0
mov eax, dword [esp + 0x20]
mov ecx, dword [esp + 0x18]
add eax, 1
add ecx, 0x20
cmp eax, dword [esi + 0x3d0]
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], ecx
jl 0x419dd3
pop edi
pop ebp
mov byte [esi + 4], 1
pop ebx
add esp, 0x10
ret 4
pop edi
pop ebp
mov byte [esi + 4], al
pop ebx
add esp, 0x10
ret 4