Function at 0x427ee0
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 0x427efb
mov byte [edx], al
mov esi, dword [ebp + 8]
test esi, esi
je 0x4281aa
mov esi, dword [esi + 0x7c]
test esi, esi
je 0x4281aa
cmp dword [esi], eax
jne 0x427f20
pop esi
mov eax, 0xffffff9c
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp + 0x10]
test ecx, ecx
jne 0x427f2f
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 0x427f44
mov dword [esi + 0x14], eax
mov ecx, eax
push edi
test ecx, ecx
je 0x4281a1
nop dword [eax]
mov ebx, dword [esi + 8]
test ebx, ebx
jne 0x428051
mov eax, dword [esi + 0x58]
test eax, eax
je 0x428051
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 0x427f99
cmp byte [ecx + 1], bl
je 0x428181
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 0x427f9c
mov dword [ecx + 0x1c], edx
push dword [esi + 0x60]
push 1
push edi
push dword [esi]
call fcn.00427910
add esp, 0x10
cmp eax, 1
jne 0x428181
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 0x428051
xor ecx, ecx
mov dword [ebp - 0xc], ecx
test edi, edi
je 0x428051
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 + 0x4a5ab0]
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 + 0x4a5ab0]
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 0x427fe0
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 0x428091
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 0x428091
mov al, byte [ebp + 0xb]
cmp al, byte [esi + 0x80]
jne 0x42818b
cmp dword [esi + 0x64], 0
jne 0x42811c
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 0x4280cb
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 0x4280b1
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.00427980
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 0x42816a
mov edx, dword [ebp + 0x14]
test edx, edx
je 0x42816a
mov byte [edx], 1
jmp 0x42816a
mov edi, dword [esi + 0x18]
lea eax, [esi + 4]
mov ebx, dword [esi + 0x10]
push 2
push eax
call fcn.00425b00
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.00427980
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 0x428197
test ecx, ecx
je 0x428197
test edi, edi
jne 0x428178
cmp dword [esi + 0x14], 0
ja 0x427f50
test edi, edi
je 0x4281a1
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 0x4281a1
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