Function at 0x43ce40
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov edx, dword [ebp + 0x14]
xor eax, eax
push ebx
xor ebx, ebx
mov dword [ebp - 4], eax
mov dword [ebp - 8], ebx
push esi
test edx, edx
je 0x43ce5b
mov byte [edx], al
mov esi, dword [ebp + 8]
test esi, esi
je 0x43d10a
mov esi, dword [esi + 0x7c]
test esi, esi
je 0x43d10a
cmp dword [esi], eax
jne 0x43ce80
pop esi
mov eax, 0xffffff9c
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 0x10]
test ecx, ecx
jne 0x43ce8f
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp + 0xc]
mov dword [esi + 0x10], eax
mov eax, dword [esi + 0x5c]
mov dword [esi + 0x14], ecx
cmp ecx, eax
jbe 0x43cea4
mov dword [esi + 0x14], eax
mov ecx, eax
push edi
test ecx, ecx
je 0x43d101
nop dword [eax]
mov ebx, dword [esi + 8]
test ebx, ebx
jne 0x43cfb1
mov eax, dword [esi + 0x58]
test eax, eax
je 0x43cfb1
mov ecx, dword [esi + 0x60]
mov edi, 0x4000
mov edx, dword [esi + 0x68]
cmp eax, edi
cmovb edi, eax
add edx, dword [esi + 0x3c]
cmp byte [ecx], bl
je 0x43cef9
cmp byte [ecx + 1], bl
je 0x43d0e1
mov eax, dword [ecx + 0xc]
push ebx
push ebx
add eax, edx
push eax
push dword [ecx + 4]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x43cefc
mov dword [ecx + 0x1c], edx
push dword [esi + 0x60]
push 1
push edi
push dword [esi]
call fcn.0043c840
add esp, 0x10
cmp eax, 1
jne 0x43d0e1
add dword [esi + 0x3c], edi
mov ebx, edi
sub dword [esi + 0x58], edi
cmp byte [esi + 0x6c], 0
mov eax, dword [esi]
mov dword [ebp + 8], eax
mov dword [esi + 4], eax
mov dword [esi + 8], edi
je 0x43cfb1
xor ecx, ecx
mov dword [ebp - 0xc], ecx
test edi, edi
je 0x43cfb1
nop dword [eax + eax]
mov edi, dword [esi + 0x78]
mov eax, edi
and eax, 0xfffd
or eax, 2
mov edx, eax
xor edx, 1
imul edx, eax
mov eax, dword [ebp + 8]
shr edx, 8
xor dl, byte [ecx + eax]
mov ecx, dword [esi + 0x70]
movsx eax, dl
xor eax, ecx
shr ecx, 8
movzx eax, al
mov eax, dword [eax*4 + 0x4b8268]
xor eax, ecx
mov ecx, dword [ebp - 0xc]
mov dword [esi + 0x70], eax
movzx eax, al
add eax, dword [esi + 0x74]
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 0x74], eax
shr eax, 0x18
xor eax, edi
shr edi, 8
movzx eax, al
xor edi, dword [eax*4 + 0x4b8268]
mov eax, dword [ebp + 8]
mov dword [esi + 0x78], edi
mov byte [ecx + eax], dl
inc ecx
mov dword [ebp - 0xc], ecx
cmp ecx, ebx
jb 0x43cf40
mov ebx, dword [esi + 8]
mov edx, dword [esi + 0x7c]
mov ecx, ebx
cmp edx, ebx
cmovbe ecx, edx
mov dword [ebp - 0x10], ecx
test ecx, ecx
je 0x43cff1
mov eax, dword [esi + 4]
add eax, ecx
mov cl, byte [eax - 1]
mov byte [ebp + 0xb], cl
mov ecx, dword [ebp - 0x10]
sub ebx, ecx
sub dword [esi + 0x5c], ecx
sub edx, ecx
mov dword [esi + 8], ebx
mov dword [esi + 4], eax
mov dword [esi + 0x7c], edx
jne 0x43cff1
mov al, byte [ebp + 0xb]
cmp al, byte [esi + 0x80]
jne 0x43d0eb
cmp dword [esi + 0x64], 0
jne 0x43d07c
mov eax, dword [esi + 0x14]
cmp eax, ebx
mov edi, eax
mov dword [ebp - 0xc], eax
cmovae edi, ebx
xor edx, edx
mov dword [ebp + 8], edi
test edi, edi
je 0x43d02b
mov eax, dword [esi + 4]
mov ecx, dword [esi + 0x10]
mov al, byte [edx + eax]
mov byte [edx + ecx], al
inc edx
cmp edx, edi
jb 0x43d011
mov eax, dword [esi + 0x14]
mov ebx, dword [esi + 8]
mov dword [ebp - 0xc], eax
push dword [ebp + 8]
mov edi, dword [esi + 0x10]
push edi
push dword [esi + 0x50]
call fcn.0043c8e0
mov ecx, dword [ebp + 8]
add esp, 0xc
sub dword [esi + 0x5c], ecx
sub ebx, ecx
add dword [esi + 4], ecx
add dword [esi + 0x18], ecx
mov dword [esi + 0x50], eax
mov eax, dword [ebp - 0xc]
sub eax, ecx
mov dword [esi + 8], ebx
mov ebx, dword [ebp - 8]
mov dword [esi + 0x14], eax
add ebx, ecx
cmp dword [esi + 0x5c], 0
lea eax, [edi + ecx]
mov edi, dword [ebp - 4]
mov dword [esi + 0x10], eax
mov dword [ebp - 8], ebx
jne 0x43d0ca
mov edx, dword [ebp + 0x14]
test edx, edx
je 0x43d0ca
mov byte [edx], 1
jmp 0x43d0ca
mov edi, dword [esi + 0x18]
lea eax, [esi + 4]
mov ebx, dword [esi + 0x10]
push 2
push eax
call fcn.0043aa30
mov dword [ebp - 4], eax
mov eax, dword [esi + 0x18]
sub eax, edi
push eax
push ebx
push dword [esi + 0x50]
mov dword [ebp + 8], eax
call fcn.0043c8e0
mov ecx, dword [esi + 0x5c]
add esp, 0x14
mov ebx, dword [ebp - 8]
sub ecx, dword [ebp + 8]
add ebx, dword [ebp + 8]
mov edi, dword [ebp - 4]
mov dword [esi + 0x50], eax
mov dword [esi + 0x5c], ecx
mov dword [ebp - 8], ebx
cmp edi, 1
je 0x43d0f7
test ecx, ecx
je 0x43d0f7
test edi, edi
jne 0x43d0d8
cmp dword [esi + 0x14], 0
ja 0x43ceb0
test edi, edi
je 0x43d101
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
or eax, 0xffffffff
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 0xffffff96
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 0x14]
test ecx, ecx
je 0x43d101
mov byte [ecx], 1
pop edi
pop esi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
pop esi
mov eax, 0xffffff9a
pop ebx
mov esp, ebp
pop ebp
ret