Function at 0x4b1a30
Capabilities:
Get file size
Read file on windows
Resolve function by parsing pe exports
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x540137
push eax
mov dword fs:[0], esp
sub esp, 0x1f0
push ebx
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
xor ebx, ebx
push edi
mov dword [0x593658], ebx
call esi
mov dword [0x593660], eax
mov eax, dword [esp + 0x20c]
cmp eax, ebx
je 0x4b2784
cmp dword [esp + 0x210], ebx
je 0x4b2784
cmp dword [0x593664], ebx
jne 0x4b1aa0
mov dword [0x593658], 2
mov dword [0x59365c], 0xc04
jmp 0x4b2798
mov ecx, 0xf
xor eax, eax
lea edi, [esp + 0xed]
mov byte [esp + 0xec], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 0xec]
push 1
push eax
mov dword [esp + 0x6c], ebx
call fcn.004a2450
add esp, 8
test eax, eax
jne 0x4b1aed
mov dword [0x593658], 7
mov dword [0x59365c], 0xc10
jmp 0x4b2798
mov ecx, 0x13
xor eax, eax
lea edi, [esp + 0x130]
mov dword [esp + 0x12c], ebx
rep stosd dword es:[edi], eax
mov ecx, 0xd
lea edi, [esp + 0x98]
mov dword [esp + 0x94], ebx
rep stosd dword es:[edi], eax
lea ecx, [esp + 0x4c]
call fcn.0051a5b0
lea ecx, [esp + 0x44]
mov dword [esp + 0x204], ebx
call fcn.0051a5b0
lea ecx, [esp + 0x24]
mov byte [esp + 0x204], 1
call fcn.0051a5b0
mov eax, dword [esp + 0x214]
mov byte [esp + 0x204], 2
cmp eax, ebx
mov dword [esp + 0x5c], ebx
je 0x4b1b79
lea ecx, [esp + 0x24]
push ecx
push eax
call fcn.004a8e50
add esp, 8
cmp eax, ebx
je 0x4b1b79
lea ecx, [esp + 0x24]
call fcn.0051aeb0
mov dword [esp + 0x5c], eax
cmp word [esp + 0x9e], bx
push ebp
mov dword [esp + 0x18], ebx
jne 0x4b25c7
lea edx, [esp + 0x48]
push ebx
lea eax, [esp + 0x54]
push edx
lea ecx, [esp + 0x138]
push eax
lea edx, [esp + 0xfc]
push ecx
push edx
call fcn.004a25a0
add esp, 0x14
test eax, eax
je 0x4b25e7
mov ecx, 0xf
xor eax, eax
lea edi, [esp + 0x181]
mov byte [esp + 0x180], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 0x64]
lea ecx, [esp + 0x5c]
push eax
lea edx, [esp + 0x74]
push ecx
push edx
mov edx, dword [esp + 0x153]
lea eax, [esp + 0x44]
push eax
mov eax, dword [esp + 0x15c]
lea ecx, [esp + 0x190]
push 0x40
and edx, 0xff
push ecx
mov ecx, dword [esp + 0x178]
push edx
push eax
push ecx
mov dword [esp + 0x94], ebx
mov dword [esp + 0x80], ebx
mov dword [esp + 0x5c], ebx
mov dword [esp + 0x88], ebx
call fcn.004a58b0
add esp, 0x24
cmp eax, ebx
mov dword [esp + 0x58], eax
je 0x4b2607
push eax
call fcn.004bded0
add esp, 4
cmp eax, ebx
mov dword [esp + 0x84], eax
je 0x4b2627
mov edx, dword [esp + 0x58]
push edx
call fcn.004aaf10
mov ecx, dword [esp + 0x214]
add esp, 4
mov word [esp + 0xa0], ax
lea eax, [esp + 0x40]
push eax
push ecx
mov dword [esp + 0x48], ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edx, dword [esp + 0x214]
mov esi, eax
mov eax, dword [esp + 0x40]
xor ecx, ecx
xor edi, edi
mov ebp, eax
push eax
or edi, esi
or ebp, ecx
push esi
push edx
mov dword [esp + 0x9c], edi
mov dword [esp + 0xa0], ebp
call fcn.004bc080
add esp, 0xc
test eax, eax
je 0x4b2647
cmp ebp, ebx
ja 0x4b1cc2
cmp edi, 0x200
jbe 0x4b1ccc
mov dword [esp + 0x54], 0x200
jmp 0x4b1cdc
cmp edi, 0x1000
mov dword [esp + 0x54], edi
ja 0x4b266b
mov ecx, dword [esp + 0x84]
push 0x1000
mov eax, dword [ecx]
call dword [eax + 8]
mov ecx, dword [esp + 0xa0]
push eax
push ecx
mov dword [esp + 0x24], eax
call fcn.004aae50
push 0x1000
mov dword [esp + 0x28], eax
call fcn.00520a0a
mov edx, dword [esp + 0x28]
mov ebp, eax
push edx
mov dword [esp + 0x54], ebp
call fcn.00520a0a
add esp, 0x10
cmp ebp, ebx
mov dword [esp + 0x18], eax
je 0x4b2703
cmp eax, ebx
je 0x4b2703
mov ecx, 0x400
xor eax, eax
mov edi, ebp
mov dword [esp + 0x3c], ebp
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x1c]
mov edi, dword [esp + 0x18]
mov edx, ecx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
cmp dword [esp + 0x70], ebx
je 0x4b1d6f
mov eax, dword [esp + 0x114]
or al, 0x10
mov dword [esp + 0x114], eax
cmp dword [esp + 0x5c], ebx
je 0x4b1d85
mov eax, dword [esp + 0x114]
or al, 0x20
mov dword [esp + 0x114], eax
mov edi, dword [esp + 0x210]
cmp edi, 0xffffffff
jne 0x4b1db0
mov dword [0x593658], 1
mov dword [0x59365c], 0x26a
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593660], eax
mov ecx, dword [esp + 0x40]
xor eax, eax
xor edx, edx
or eax, esi
or ecx, edx
mov edx, eax
and edx, 0xfff
mov dword [esp + 0x138], ebx
mov esi, edx
mov dword [esp + 0x13c], ebx
or esi, ebx
mov dword [esp + 0xa8], eax
mov dword [esp + 0xac], ecx
je 0x4b1e19
cmp ecx, ebx
ja 0x4b1df1
cmp eax, 0x1000
jbe 0x4b1df5
mov esi, ebx
jmp 0x4b1df9
mov edx, eax
mov esi, ecx
mov ebp, eax
sub ebp, edx
mov edx, ecx
sbb edx, esi
add ebp, 0x1000
adc edx, ebx
mov dword [esp + 0xb0], ebp
mov dword [esp + 0xb4], edx
jmp 0x4b1e27
mov dword [esp + 0xb0], eax
mov dword [esp + 0xb4], ecx
mov edx, dword [esp + 0x38]
mov dword [esp + 0xb8], eax
mov eax, dword [esp + 0x58]
mov dword [esp + 0xbc], ecx
lea ecx, [esp + 0x168]
mov dword [esp + 0x164], eax
push ecx
lea eax, [esp + 0x184]
push edx
push eax
call fcn.004bb3b0
mov ecx, dword [esp + 0x70]
add esp, 0xc
mov dword [esp + 0x17c], ecx
lea ecx, [esp + 0x28]
call fcn.0051a7b0
xor edx, edx
mov dword [esp + 0xc0], ebx
cmp edx, eax
mov dword [esp + 0xc8], ebx
sbb ecx, ecx
mov dword [esp + 0xcc], 0x1000
and ecx, eax
mov eax, dword [esp + 0x1c]
add ecx, 0x10ff
mov dword [esp + 0xc4], eax
shr ecx, 0xc
shl ecx, 0xc
mov dword [esp + 0x154], ecx
mov ecx, dword [esp + 0xa0]
push ecx
call fcn.004ac200
mov esi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
add esp, 4
mov word [esp + 0x9e], ax
push ebx
push ebx
push ebx
push edi
call esi
mov edi, dword [esp + 0x214]
push ebx
push ebx
push ebx
push edi
call esi
mov edx, dword [esp + 0x114]
push 1
or edx, 1
mov dword [esp + 0x118], edx
lea edx, [esp + 0xf4]
push edx
push edi
call fcn.004aa040
add esp, 0xc
test eax, eax
je 0x4b268f
mov ecx, 7
xor eax, eax
lea edi, [esp + 0xd1]
mov byte [esp + 0xd0], bl
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x210]
push 1
stosw word es:[edi], ax
stosb byte es:[edi], al
lea eax, [esp + 0x18]
mov dword [esp + 0x18], ebx
push eax
push ebx
push ecx
call esi
mov edx, dword [esp + 0x210]
push ebx
push ebx
push ebx
push edx
mov ebp, eax
call esi
mov eax, dword [esp + 0x210]
xor edi, edi
push eax
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
jne 0x4b1f93
mov eax, dword [esp + 0x210]
lea ecx, [esp + 0x20]
push ebx
push ecx
lea edx, [esp + 0xd8]
push 0x20
push edx
push eax
mov dword [esp + 0x34], ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4b1f93
cmp dword [esp + 0x20], 0x20
jne 0x4b1f93
mov edi, 1
mov edx, dword [esp + 0x210]
lea ecx, [esp + 0x14]
push ebx
push ecx
push ebp
push edx
call esi
cmp edi, ebx
je 0x4b26a5
lea eax, [esp + 0xd0]
push eax
call fcn.004ad590
add esp, 4
test eax, eax
je 0x4b26bb
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593658], ebx
call edi
lea ecx, [esp + 0xd0]
mov dword [0x593660], eax
test ecx, ecx
jne 0x4b2018
mov dword [0x593658], 1
mov dword [0x59365c], 0x278
call edi
mov dword [0x593660], eax
mov dword [0x593658], 0x1f
mov dword [0x59365c], 0xccd
call edi
jmp 0x4b271d
cmp dword [0x593664], ebx
jne 0x4b2036
mov dword [0x593658], 2
mov dword [0x59365c], 0x27e
jmp 0x4b1ff6
cmp dword [0x593b8c], ebx
jne 0x4b2090
mov cl, byte [esp + 0xd6]
mov eax, dword [esp + 0xe0]
mov edx, dword [0x593670]
and ecx, 1
cmp eax, 0x2710
ja 0x4b206e
cmp edx, 0x2710
ja 0x4b2090
cmp edx, eax
je 0x4b2090
cmp eax, ebx
jne 0x4b207e
jmp 0x4b2090
cmp eax, edx
jne 0x4b207e
cmp dword [0x593678], ebx
ja 0x4b2090
cmp ecx, ebx
je 0x4b2090
push ecx
push eax
call fcn.004ad7f0
add esp, 8
cmp eax, ebx
je 0x4b1ffd
mov ecx, 0xf
xor eax, eax
lea edi, [esp + 0x1c1]
mov byte [esp + 0x1c0], bl
rep stosd dword es:[edi], eax
mov edx, dword [esp + 0x154]
push ebx
stosw word es:[edi], ax
stosb byte es:[edi], al
mov eax, dword [esp + 0x218]
push ebx
push edx
push eax
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x44], ebx
mov dword [esp + 0x40], ebx
mov dword [esp + 0x7c], ebx
mov dword [esp + 0x98], 0x40
mov dword [esp + 0x90], 1
mov dword [esp + 0x20], ebx
mov dword [esp + 0x24], ebx
mov dword [esp + 0x34], ebx
mov dword [esp + 0x88], ebx
mov dword [esp + 0x30], ebx
mov dword [esp + 0x9c], ebx
call esi
mov ebp, dword [esp + 0x3c]
mov eax, dword [esp + 0x80]
mov dword [esp + 0x10], ebx
cmp eax, ebx
je 0x4b21ba
lea ecx, [esp + 0x88]
lea edx, [esp + 0x1c0]
push ecx
lea eax, [esp + 0x70]
push edx
lea ecx, [esp + 0x18]
push eax
lea edx, [esp + 0x3c]
push ecx
lea eax, [esp + 0x44]
push edx
mov edx, dword [esp + 0xa8]
push eax
mov eax, dword [esp + 0xa8]
lea ecx, [esp + 0x44]
push 0x200
push ecx
mov ecx, dword [esp + 0x230]
push edx
push eax
push ecx
push ebx
mov dword [esp + 0xb0], ebx
call fcn.004b3fa0
add esp, 0x30
xor edx, edx
cmp eax, ebx
sete dl
mov esi, edx
cmp esi, ebx
mov dword [esp + 0x78], esi
jne 0x4b24bb
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x54]
cmp ecx, eax
ja 0x4b2395
jae 0x4b219e
mov dword [esp + 0x24], 1
cmp ecx, ebx
jbe 0x4b226d
mov esi, dword [esp + 0x34]
mov eax, ecx
mov edi, ebp
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
jmp 0x4b2264
mov esi, dword [esp + 0x54]
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x210]
lea ecx, [esp + 0x10]
push ebx
push ecx
push esi
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4b23ae
mov ecx, dword [esp + 0x10]
cmp ecx, esi
jae 0x4b21f0
mov dword [esp + 0x24], 1
cmp ecx, ebx
jbe 0x4b226d
mov ecx, dword [esp + 0x6c]
push ecx
call fcn.004bded0
add esp, 4
cmp eax, ebx
je 0x4b23c7
lea ecx, [esp + 0x74]
mov dword [esp + 0x74], ebx
push ecx
mov ecx, dword [esp + 0x34]
push 0x200
push ecx
mov ecx, dword [esp + 0x1c]
mov edx, dword [eax]
push ecx
mov ecx, dword [esp + 0x3c]
push ecx
mov ecx, dword [esp + 0x9c]
push ecx
lea ecx, [esp + 0x1d8]
push ecx
mov ecx, eax
call dword [edx + 0x14]
cmp eax, ebx
je 0x4b23e0
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x74]
cmp eax, ecx
jne 0x4b23f9
mov esi, dword [esp + 0x30]
mov edx, ecx
mov edi, ebp
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x10]
mov eax, dword [esp + 0x14]
add ebp, ecx
add eax, ecx
cmp eax, 0x1000
mov dword [esp + 0x14], eax
jae 0x4b228a
cmp dword [esp + 0x24], ebx
je 0x4b2106
lea eax, [esp + 0x8c]
lea ecx, [esp + 0x20]
push eax
lea edx, [esp + 0x80]
push ecx
lea eax, [esp + 0x24]
push edx
mov edx, dword [esp + 0x50]
lea ecx, [esp + 0x24]
push eax
mov eax, dword [esp + 0x48]
push ecx
push 0x1000
push edx
mov edx, dword [esp + 0xa0]
lea ecx, [esp + 0x19c]
push eax
mov eax, dword [esp + 0xc0]
push ecx
push edx
push eax
mov dword [esp + 0xa8], ebx
call fcn.004a2850
add esp, 0x2c
cmp eax, ebx
jne 0x4b2412
mov ecx, dword [esp + 0x7c]
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0xa0]
push ecx
push edx
push eax
call fcn.004aaeb0
mov edx, dword [esp + 0x24]
add esp, 0xc
lea ecx, [esp + 0x3c]
mov esi, eax
mov eax, dword [esp + 0x214]
push ebx
push ecx
push esi
push edx
push eax
mov dword [esp + 0x50], ebx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x4b2481
cmp dword [esp + 0x3c], esi
jb 0x4b2497
cmp dword [esp + 0xc0], ebx
jne 0x4b2343
mov dword [esp + 0xc4], esi
mov edi, dword [esp + 0xc0]
mov ebp, dword [esp + 0x44]
inc edi
mov ecx, 0x400
mov dword [esp + 0xc0], edi
xor eax, eax
mov edi, ebp
mov dword [esp + 0xc8], esi
rep stosd dword es:[edi], eax
mov ecx, dword [esp + 0x1c]
mov edi, dword [esp + 0x18]
mov edx, ecx
mov dword [esp + 0x14], ebx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
cmp dword [esp + 0x24], ebx
je 0x4b2106
mov esi, dword [esp + 0x78]
jmp 0x4b24bb
mov dword [0x593658], 0x20
mov dword [0x59365c], 0xcfb
jmp 0x4b24ab
mov dword [0x593658], 0xd
mov dword [0x59365c], 0xd10
jmp 0x4b24ab
mov dword [0x593658], 0xc
mov dword [0x59365c], 0xd1f
jmp 0x4b24ab
mov dword [0x593658], 0x12
mov dword [0x59365c], 0xd28
jmp 0x4b24ab
mov dword [0x593658], 0x12
mov dword [0x59365c], 0xd2f
jmp 0x4b24ab
jge 0x4b246b
push 0x583998
lea ecx, [esp + 0x18]
call fcn.0043b640
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x58]
push 0xd48
push eax
push ecx
push edx
lea eax, [esp + 0x24]
push str.Error:_Encrypt_Data_Failed__File__Algrithm_d__DataLen_lu_KeyLen_lu__LINE_d
push eax
mov byte [esp + 0x220], 3
call fcn.0043ed60
mov ecx, dword [esp + 0x2c]
push ecx
call fcn.004be460
add esp, 0x1c
lea ecx, [esp + 0x14]
mov byte [esp + 0x208], 2
call fcn.0043bde0
mov dword [0x593658], 0x11
mov dword [0x59365c], 0xd4c
jmp 0x4b24ab
mov dword [0x593658], 0xe
mov dword [0x59365c], 0xd57
jmp 0x4b24ab
mov dword [0x593658], 0xe
mov dword [0x59365c], 0xd5f
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593660], eax
mov esi, 1
mov eax, dword [esp + 0x20]
cmp eax, ebx
je 0x4b24d0
push eax
call fcn.00520a33
add esp, 4
mov dword [esp + 0x20], ebx
mov eax, dword [esp + 0x2c]
cmp eax, ebx
je 0x4b24e5
push eax
call fcn.00520a33
add esp, 4
mov dword [esp + 0x2c], ebx
mov eax, dword [esp + 0x34]
cmp eax, ebx
je 0x4b24fa
push eax
call fcn.00520a33
add esp, 4
mov dword [esp + 0x34], ebx
mov eax, dword [esp + 0x30]
cmp eax, ebx
je 0x4b250f
push eax
call fcn.00520a33
add esp, 4
mov dword [esp + 0x30], ebx
mov edx, dword [esp + 0x214]
push edx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
cmp dword [esp + 0x24], ebx
je 0x4b2722
cmp esi, ebx
jne 0x4b2722
mov eax, dword [esp + 0x60]
lea ecx, [esp + 0xf0]
push eax
push ecx
call fcn.004a94e0
add esp, 8
lea ecx, [esp + 0x4c]
call fcn.0051a5b0
mov esi, dword [esp + 0x214]
lea edx, [esp + 0x4c]
lea eax, [esp + 0x28]
push edx
lea ecx, [esp + 0x4c]
push eax
lea edx, [esp + 0x58]
push ecx
lea eax, [esp + 0xa4]
push edx
lea ecx, [esp + 0x140]
push eax
lea edx, [esp + 0x104]
push ecx
push edx
push esi
mov byte [esp + 0x228], 4
call fcn.004a9760
add esp, 0x20
test eax, eax
je 0x4b26d1
cmp dword [esp + 0x21c], ebx
je 0x4b25a9
push esi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
lea ecx, [esp + 0x4c]
mov dword [esp + 0x68], 1
mov byte [esp + 0x208], 2
call fcn.0051a710
jmp 0x4b2722
mov dword [0x593658], 1
mov dword [0x59365c], 0xc2b
call esi
mov dword [0x593660], eax
jmp 0x4b2733
mov dword [0x593658], 8
mov dword [0x59365c], 0xc32
call esi
mov dword [0x593660], eax
jmp 0x4b2733
mov dword [0x593658], 0xb
mov dword [0x59365c], 0xc48
call esi
mov dword [0x593660], eax
jmp 0x4b2733
mov dword [0x593658], 0xc
mov dword [0x59365c], 0xc50
call esi
mov dword [0x593660], eax
jmp 0x4b2733
mov dword [0x593658], 0x25
mov dword [0x59365c], 0xc63
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593660], eax
jmp 0x4b2733
mov dword [0x593658], 0x20
mov dword [0x59365c], 0xc72
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593660], eax
jmp 0x4b2733
mov dword [0x593658], 0x10
mov dword [0x59365c], 0xcad
jmp 0x4b2717
mov dword [0x593658], 0xf
mov dword [0x59365c], 0xcbd
jmp 0x4b2717
mov dword [0x593658], 0x14
mov dword [0x59365c], 0xcc6
jmp 0x4b2717
mov dword [0x593658], 0x10
mov dword [0x59365c], 0xd8d
call dword [sym.imp.KERNEL32.dll_GetLastError]
lea ecx, [esp + 0x4c]
mov dword [0x593660], eax
mov byte [esp + 0x208], 2
call fcn.0051a710
jmp 0x4b2722
mov dword [0x593658], 0x21
mov dword [0x59365c], 0xc7f
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x593660], eax
mov eax, dword [esp + 0x44]
cmp eax, ebx
je 0x4b2733
push eax
call fcn.00520a33
add esp, 4
mov eax, dword [esp + 0x18]
pop ebp
cmp eax, ebx
je 0x4b2749
push eax
call fcn.00520a33
add esp, 4
mov dword [esp + 0x14], ebx
lea ecx, [esp + 0x24]
mov byte [esp + 0x204], 1
call fcn.0051a710
lea ecx, [esp + 0x44]
mov byte [esp + 0x204], bl
call fcn.0051a710
lea ecx, [esp + 0x4c]
mov dword [esp + 0x204], 0xffffffff
call fcn.0051a710
mov eax, dword [esp + 0x64]
jmp 0x4b27a4
mov dword [0x593658], 1
mov dword [0x59365c], 0xbfe
call esi
mov dword [0x593660], eax
mov eax, 1
mov ecx, dword [esp + 0x1fc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x1fc
ret