Function at 0x499880
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x14
push ebx
mov ebx, dword [esp + 0x1c]
push ebp
push esi
push edi
xor edi, edi
cmp ebx, edi
jne 0x49989e
pop edi
pop esi
pop ebp
mov eax, 0xffffff9a
pop ebx
add esp, 0x14
ret
cmp dword [ebx + 0x38], edi
jne 0x4998b0
pop edi
pop esi
pop ebp
mov eax, 0xffffff9a
pop ebx
add esp, 0x14
ret
cmp dword [ebx + 0x9c], edi
je 0x4998c1
push ebx
call fcn.0049a0d0
add esp, 4
lea eax, [esp + 0x10]
lea ecx, [esp + 0x28]
push eax
lea edx, [esp + 0x18]
push ecx
push edx
push ebx
call fcn.00499bf0
add esp, 0x10
test eax, eax
je 0x4998ea
pop edi
pop esi
pop ebp
mov eax, 0xffffff99
pop ebx
add esp, 0x14
ret
mov esi, dword [sym.imp.MSVCRT.dll_malloc]
push 0x90
call esi
mov ebp, eax
add esp, 4
cmp ebp, edi
jne 0x49990d
pop edi
pop esi
pop ebp
mov eax, 0xffffff98
pop ebx
add esp, 0x14
ret
push 0x4000
call esi
mov dword [ebp], eax
mov ecx, dword [esp + 0x2c]
mov dword [ebp + 0x44], ecx
mov edx, dword [esp + 0x14]
mov dword [ebp + 0x48], edx
mov edx, dword [esp + 0x38]
add esp, 4
cmp eax, edi
mov dword [ebp + 0x4c], edi
mov dword [ebp + 0x8c], edx
jne 0x499950
push ebp
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov eax, 0xffffff98
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret
mov eax, dword [esp + 0x2c]
mov dword [ebp + 0x40], edi
cmp eax, edi
je 0x499960
mov ecx, dword [ebx + 0x54]
mov dword [eax], ecx
mov ecx, dword [esp + 0x30]
cmp ecx, edi
je 0x499999
mov dword [ecx], 6
mov eax, dword [ebx + 0x50]
and eax, 6
sub eax, 2
je 0x499993
sub eax, 2
je 0x49998b
sub eax, 2
jne 0x499999
mov dword [ecx], 1
jmp 0x499999
mov dword [ecx], 2
jmp 0x499999
mov dword [ecx], 9
mov eax, dword [ebx + 0x5c]
mov dword [ebp + 0x50], edi
mov dword [ebp + 0x54], eax
mov ecx, dword [ebx + 0x54]
mov dword [ebp + 0x84], ecx
mov eax, dword [ebx + 0x20]
lea edi, [ebp + 0x60]
mov ecx, 8
mov esi, ebx
mov dword [ebp + 0x80], eax
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [ebx + 0x2c]
xor esi, esi
mov dword [ebp + 0x88], ecx
mov dword [ebp + 0x18], esi
cmp dword [ebx + 0x54], 8
jne 0x499a0c
cmp edx, esi
jne 0x499a0c
push 0x38
lea eax, [ebp + 4]
push 0x4f07c8
push 0xfffffffffffffff1
push eax
mov dword [ebp + 0x24], esi
mov dword [ebp + 0x28], esi
mov dword [ebp + 0x2c], esi
mov dword [eax], esi
mov dword [ebp + 8], esi
call fcn.004d3d50
mov edi, eax
add esp, 0x10
cmp edi, esi
jne 0x499a89
mov dword [ebp + 0x40], 1
mov edx, dword [ebx + 0x60]
mov dword [ebp + 0x58], edx
mov eax, dword [ebx + 0x64]
mov dword [ebp + 0x5c], eax
mov ecx, dword [ebx + 0x98]
mov edx, dword [esp + 0x14]
mov dword [ebp + 8], esi
lea eax, [ecx + edx + 0x1e]
mov dword [ebp + 0x3c], eax
mov dword [ebx + 0x9c], ebp
mov ebp, dword [esp + 0x38]
cmp ebp, esi
je 0x499b0e
call fcn.004d56f0
lea edi, [ebx + 0xa4]
push eax
push edi
push ebp
mov dword [ebx + 0xb0], eax
call fcn.00499ba0
mov eax, dword [ebx + 0x9c]
mov edx, dword [ebx + 0x20]
push esi
mov ecx, dword [eax + 0x88]
mov ebp, dword [eax + 0x3c]
mov eax, dword [ebx + 0x1c]
add ecx, ebp
push ecx
push edx
push eax
call dword [ebx + 0x10]
add esp, 0x1c
test eax, eax
je 0x499a9d
pop edi
pop esi
pop ebp
mov eax, 0xffffff98
pop ebx
add esp, 0x14
ret
push ebp
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret
mov edx, dword [ebx + 0x20]
mov eax, dword [ebx + 0x1c]
lea ecx, [esp + 0x18]
push 0xc
push ecx
push edx
push eax
call dword [ebx + 4]
add esp, 0x10
cmp eax, 0xc
jae 0x499ac4
pop edi
pop esi
pop ebp
mov eax, 0xffffff98
pop ebx
add esp, 0x14
ret
mov ecx, dword [ebx + 0xb0]
push ecx
push edi
call fcn.00499b20
mov cl, byte [esp + esi + 0x20]
xor cl, al
mov eax, dword [ebx + 0xb0]
movsx edx, cl
push edx
push eax
push edi
mov byte [esp + esi + 0x2c], cl
call fcn.00499b40
add esp, 0x14
inc esi
cmp esi, 0xc
jl 0x499ac4
mov eax, dword [ebx + 0x9c]
mov ecx, dword [eax + 0x3c]
add ecx, 0xc
mov dword [eax + 0x3c], ecx
mov dword [ebx + 0xa0], 1
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x14
ret