Function at 0x437b10
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x2c
mov eax, dword [esp + 0x30]
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], esi
test eax, eax
mov dword [esp + 0x24], edi
mov dword [esp + 0x28], ebp
je 0x437d0f
mov eax, dword [esp + 0x34]
test eax, eax
je 0x437cec
mov eax, dword [esp + 0x30]
mov esi, dword [eax + 0xd0]
mov dword [esp], esi
call fcn.00435ba0
test eax, eax
je 0x437b65
mov ebx, dword [esp + 0x1c]
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x24]
mov ebp, dword [esp + 0x28]
add esp, 0x2c
ret
lea eax, [esi + esi*2]
lea eax, [esi + eax*4]
lea ebx, [eax*8]
lea edi, [ebx + 0x750290]
mov edx, dword [edi + 8]
mov eax, dword [edi + 0xc]
mov dword [esp + 0x14], edx
mov dword [esp], eax
call sub.msvcrt.dll_malloc
mov ecx, dword [esp + 0x14]
mov ebp, eax
mov dword [esp], ecx
call sub.msvcrt.dll_malloc
mov dword [esp + 0x18], eax
test ebp, ebp
sete dl
test eax, eax
sete al
or dl, al
jne 0x437d32
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x30]
mov dword [esp + 4], edx
mov dword [esp], ecx
call dword [ebx + 0x7502ec]
test eax, eax
mov ebx, eax
jne 0x437cb0
mov eax, dword [edi + 0xc]
xor edx, edx
cmp eax, 0
jbe 0x437bfe
mov ecx, dword [esp + 0x30]
mov ebx, dword [ecx + 0x1a8]
mov ecx, eax
lea esi, [esi]
lea edi, [edi]
movzx eax, byte [edx + ebx]
xor al, 0x5c
mov byte [edx + ebp], al
inc edx
cmp ecx, edx
ja 0x437bf0
lea eax, [esi + esi*2]
lea eax, [esi + eax*4]
lea esi, [eax*8]
mov eax, dword [esp + 0x30]
lea edi, [esi + 0x7502e0]
mov dword [esp], eax
call dword [edi + 4]
test eax, eax
mov ebx, eax
jne 0x437cb0
mov dword [esp + 4], ebp
mov eax, dword [esi + 0x75029c]
mov edx, dword [esp + 0x30]
mov dword [esp + 8], eax
mov dword [esp], edx
call dword [edi + 8]
test eax, eax
mov ebx, eax
jne 0x437cb0
mov ecx, dword [esp + 0x14]
mov eax, dword [esp + 0x18]
mov edx, dword [esp + 0x30]
mov dword [esp + 8], ecx
mov dword [esp + 4], eax
mov dword [esp], edx
call dword [edi + 8]
test eax, eax
mov ebx, eax
jne 0x437cb0
mov dword [esp + 4], ebp
mov ecx, dword [esp + 0x30]
mov dword [esp], ecx
call dword [edi + 0xc]
test eax, eax
mov ebx, eax
jne 0x437cb0
xor edx, edx
cmp eax, dword [esp + 0x14]
jae 0x437ca3
mov eax, dword [esp + 0x38]
mov edi, dword [eax]
test edi, edi
je 0x437ca3
movzx eax, byte [edx + ebp]
mov ecx, dword [esp + 0x34]
mov byte [edx + ecx], al
inc edx
cmp edx, dword [esp + 0x14]
jae 0x437ca3
mov eax, dword [esp + 0x38]
cmp dword [eax], edx
ja 0x437c89
mov ecx, dword [esp + 0x38]
xor ebx, ebx
mov dword [ecx], edx
nop
lea esi, [esi]
mov edx, dword [esp + 0x30]
mov eax, dword [edx + 0x1a8]
mov dword [esp], eax
call sub.msvcrt.dll_free
mov ecx, dword [esp + 0x18]
mov dword [esp], ecx
call sub.msvcrt.dll_free
mov dword [esp], ebp
call sub.msvcrt.dll_free
mov eax, ebx
mov esi, dword [esp + 0x20]
mov ebx, dword [esp + 0x1c]
mov edi, dword [esp + 0x24]
mov ebp, dword [esp + 0x28]
add esp, 0x2c
ret
mov dword [esp], str.out___NULL
mov eax, 0x24
mov dword [esp + 8], eax
mov eax, str..._Compression__Encryption_mac_hmac_hmac_done.c
mov dword [esp + 4], eax
call fcn.00433ed0
jmp 0x437b3b
mov dword [esp], str.hmac___NULL
mov eax, 0x23
mov dword [esp + 8], eax
mov eax, str..._Compression__Encryption_mac_hmac_hmac_done.c
mov dword [esp + 4], eax
call fcn.00433ed0
jmp 0x437b2f
test ebp, ebp
je 0x437d3e
mov dword [esp], ebp
call sub.msvcrt.dll_free
mov ebp, dword [esp + 0x18]
test ebp, ebp
je 0x437d52
mov eax, dword [esp + 0x18]
mov dword [esp], eax
call sub.msvcrt.dll_free
mov eax, 0xd
jmp 0x437b51