Function at 0x481620
Capabilities:
Get system information on windows
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4dc438
mov eax, dword fs:[0]
push eax
sub esp, 0x44
push ebx
push esi
push edi
mov eax, dword [0x523f10]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, dword [ebp + 8]
mov ecx, dword [ebp + 0x1c]
mov edi, dword [ebx + 0x18]
xor eax, eax
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x3c], eax
mov dword [ebp - 0x48], eax
mov dword [ebp - 0x44], eax
mov eax, dword [ebp + 0x18]
mov esi, eax
or eax, ecx
mov dword [ebp - 0x28], 1
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x34], ecx
jne 0x4816ad
push ecx
mov eax, esp
mov dword [ebp + 8], esp
push str.AddFile:_adding_0_bytes_file
push eax
call fcn.0046bd30
add esp, 8
call fcn.00481370
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
mov ecx, dword [ebx + 8]
mov eax, dword [ebp + 0x10]
mov dword [eax], ecx
mov edx, dword [ebx + 0xc]
mov dword [eax + 4], edx
xor edx, edx
lea ecx, [ecx]
cmp edx, dword [ebp - 0x34]
jg 0x4816d0
jl 0x4816cb
cmp edi, esi
jae 0x4816d0
mov dword [ebp - 0x1c], edi
jmp 0x4816d3
mov dword [ebp - 0x1c], esi
mov eax, dword [ebp - 0x1c]
add eax, 0x2000
mov dword [ebp - 0x10], eax
mov edi, edi
push 0
mov dword [ebp - 0x14], eax
xor ecx, ecx
add eax, dword [ebx + 8]
lea edx, [ebp - 0x4c]
adc ecx, dword [ebx + 0xc]
push edx
push eax
mov dword [ebp - 0x50], eax
mov eax, dword [ebx]
push eax
mov dword [ebp - 0x4c], ecx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, dword [ebx]
push ecx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov edx, dword [ebx]
push 0
push 0
push 0
push 4
push 0
push edx
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [ebp - 0x18], eax
test eax, eax
je 0x481a72
cmp dword [0x529c20], 0
mov eax, dword [ebp - 0x14]
mov edi, dword [ebx + 8]
mov esi, dword [ebx + 0xc]
mov dword [ebp - 0x2c], eax
jne 0x481748
push 0x529c04
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ecx, dword [0x529c20]
push 0
push ecx
push esi
push edi
call fcn.004c6fb0
mov ecx, edi
sub ecx, eax
sbb esi, edx
mov edx, dword [ebp - 0x2c]
sub edi, ecx
lea eax, [edi + edx]
push eax
push ecx
mov ecx, dword [ebp - 0x18]
push esi
mov esi, dword [sym.imp.KERNEL32.dll_MapViewOfFile]
push 6
push ecx
call esi
mov dword [ebp - 0x2c], eax
test eax, eax
je 0x481783
add edi, eax
mov dword [ebp - 0x20], edi
cmp dword [ebp - 0x20], 0
je 0x481aac
mov edi, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x40]
mov eax, dword [ebp - 0x3c]
mov ecx, dword [ebp + 0xc]
push edi
push edx
push eax
push 4
push ecx
call esi
mov esi, eax
test esi, esi
je 0x481b0a
mov ecx, dword [ebx + 0x10]
mov edx, dword [ecx]
mov edx, dword [edx]
lea eax, [ebp - 0x14]
push eax
mov eax, dword [ebx + 0xc]
push edi
push eax
mov eax, dword [ebx + 8]
push eax
mov eax, dword [ebp - 0x20]
push eax
push esi
call edx
push esi
mov esi, dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
call esi
mov eax, dword [ebp - 0x2c]
push eax
call esi
mov ecx, dword [ebp - 0x18]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x14]
cmp eax, dword [ebp - 0x10]
jb 0x481a20
push ecx
mov edi, esp
mov dword [ebp - 0x2c], esp
mov dword [ebp - 0x30], edi
call fcn.004ab443
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
je 0x481b1e
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [edi], eax
mov ecx, str._AddFile:_returned_chunk_bigger_than_the_original_
mov dword [ebp - 4], 0
test ecx, 0xffff0000
jne 0x481912
mov edx, ecx
movzx esi, dx
push esi
call fcn.004b33b0
mov dword [ebp - 0x2c], eax
test eax, eax
je 0x481a05
mov ecx, esi
shr ecx, 4
inc ecx
movzx edx, cx
push 6
push edx
push eax
call dword [sym.imp.KERNEL32.dll_FindResourceW]
test eax, eax
je 0x481a05
push esi
push eax
mov eax, dword [ebp - 0x2c]
push eax
call fcn.004226fd
mov edx, eax
add esp, 0xc
mov dword [ebp - 0x2c], edx
test edx, edx
je 0x481a05
mov eax, dword [edi]
movzx esi, word [edx]
sub eax, 0x10
mov ecx, 1
sub ecx, dword [eax + 0xc]
mov eax, dword [eax + 8]
sub eax, esi
or eax, ecx
jge 0x48189e
push esi
mov ecx, edi
call fcn.00422527
mov edx, dword [ebp - 0x2c]
mov ecx, dword [edi]
movzx eax, word [edx]
mov dword [ebp - 0x18], ecx
lea ecx, [edx + 2]
mov dword [ebp - 0x2c], ecx
cmp eax, 0xffffffff
jne 0x4818be
push ecx
call fcn.004b9b7a
mov ecx, dword [ebp - 0x2c]
add esp, 4
inc eax
add eax, eax
push eax
push ecx
mov ecx, dword [ebp - 0x18]
lea edx, [esi + esi]
push edx
push ecx
mov dword [ebp - 0x2c], edx
call fcn.004b9601
add esp, 0x10
cmp eax, 0x50
ja case.0x4818e5.1
movzx edx, byte [eax + 0x481b4c]
jmp dword [edx*4 + 0x481b3c]
test esi, esi
jl 0x481b32
mov eax, dword [edi]
cmp esi, dword [eax - 8]
jg 0x481b32
mov edx, dword [ebp - 0x2c]
mov dword [eax - 0xc], esi
mov eax, dword [edi]
xor ecx, ecx
mov word [edx + eax], cx
jmp 0x481a05
push str._AddFile:_returned_chunk_bigger_than_the_original_
call fcn.004b9b7a
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x48197f
mov ecx, dword [edi]
mov esi, dword [ecx - 0x10]
cmp dword [ecx - 0xc], ebx
lea eax, [ecx - 0x10]
je 0x481a02
cmp dword [eax + 0xc], ebx
lea edx, [eax + 0xc]
jge 0x481956
cmp dword [ecx - 8], ebx
jl 0x481b32
mov dword [ecx - 0xc], ebx
mov eax, dword [edi]
xor ecx, ecx
mov word [eax], cx
jmp 0x481a02
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x48196c
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov edx, dword [esi]
mov eax, dword [edx + 0xc]
mov ecx, esi
call eax
add eax, 0x10
mov dword [edi], eax
jmp 0x481a02
mov eax, dword [edi]
mov ecx, dword [eax - 0xc]
mov dword [ebp - 0x2c], ecx
mov esi, str._AddFile:_returned_chunk_bigger_than_the_original_
sub esi, eax
mov ecx, 1
sub ecx, dword [eax - 4]
mov eax, dword [eax - 8]
sub eax, ebx
sar esi, 1
or eax, ecx
jge 0x4819a9
push ebx
mov ecx, edi
call fcn.00422527
mov eax, dword [edi]
cmp esi, dword [ebp - 0x2c]
ja 0x4819cc
mov edx, dword [eax - 8]
lea ecx, [ebx + ebx]
push ecx
mov dword [ebp - 0x2c], ecx
lea ecx, [eax + esi*2]
push ecx
add edx, edx
push edx
push eax
call fcn.004b96cf
mov esi, dword [ebp - 0x2c]
jmp 0x4819e1
mov ecx, dword [eax - 8]
lea esi, [ebx + ebx]
push esi
push str._AddFile:_returned_chunk_bigger_than_the_original_
add ecx, ecx
push ecx
push eax
call fcn.004b9601
add esp, 0x10
test ebx, ebx
jl 0x481b32
mov eax, dword [edi]
cmp ebx, dword [eax - 8]
jg 0x481b32
mov dword [eax - 0xc], ebx
mov edx, dword [edi]
xor eax, eax
mov word [esi + edx], ax
mov ebx, dword [ebp + 8]
mov dword [ebp - 4], 0xffffffff
call fcn.00481370
add dword [ebp - 0x10], 0x100000
mov eax, dword [ebp - 0x10]
jmp 0x4816e0
xor ecx, ecx
add dword [ebx + 8], eax
adc dword [ebx + 0xc], ecx
xor edx, edx
cmp dword [ebp - 0x34], edx
jl 0x481a44
jg 0x481a39
mov esi, dword [ebp - 0x38]
cmp esi, dword [ebp - 0x24]
jbe 0x481a44
mov esi, dword [ebp - 0x24]
sub dword [ebp - 0x38], esi
sbb dword [ebp - 0x34], edx
jmp 0x481a4c
xor esi, esi
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x34], esi
add dword [ebp - 0x40], edi
adc dword [ebp - 0x3c], 0
add dword [ebp - 0x48], eax
adc dword [ebp - 0x44], ecx
cmp dword [ebp - 0x34], 0
jl 0x481add
jg 0x481a67
cmp dword [ebp - 0x38], 0
jbe 0x481add
mov esi, dword [ebp - 0x38]
mov edi, dword [ebp - 0x24]
jmp 0x4816c0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, dword [ebp - 0x14]
push ecx
mov ecx, esp
mov dword [ebp + 8], esp
push eax
push edx
push str.AddFile:_error_extending_VFC_file_by__d_bytes__LE_d
push ecx
call fcn.0046bd30
add esp, 0x10
call fcn.00481370
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ecx
mov ecx, esp
mov dword [ebp + 8], esp
push eax
push str._AddFile:_Dest_mapping_failed__LE_d
push ecx
call fcn.0046bd30
add esp, 0xc
call fcn.00481370
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x28], 0
mov ecx, dword [ebx + 8]
mov eax, dword [ebp + 0x10]
sub ecx, dword [eax]
mov edx, dword [ebx + 0xc]
sbb edx, dword [eax + 4]
mov eax, dword [ebp + 0x14]
mov dword [eax], ecx
mov dword [eax + 4], edx
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x18
call dword [sym.imp.KERNEL32.dll_GetLastError]
push ecx
mov ecx, esp
mov dword [ebp + 8], esp
push eax
push str._AddFile:_Src_mapping_failed__LE_d
jmp 0x481abe
push 0x80004005
call fcn.00422000
call fcn.004ab9ab
call fcn.004ab9e3
push 0x80070057
call fcn.00422000
in al, dx
sbb byte [eax], cl
sub byte [ebx], bl
dec eax
add byte [0x2d00481b], ch
sbb ecx, dword [eax]
add byte [ebx], al
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add dword [ebx], eax
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add al, byte [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add al, byte [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add eax, dword [ebx]
add ah, cl
int3