Function at 0x5bbb40
Capabilities:
Get file size
Read file on windows
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x627988
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x4c4
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
mov ebx, ecx
cmp edi, esi
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 4], esi
je 0x5bc10a
call fcn.005bb6c0
cmp dword [0x6edb0c], esi
jne 0x5bbbb4
mov eax, dword [0x6edb08]
cmp eax, esi
jne 0x5bbba3
push 0x6e0a38
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
cmp eax, esi
mov dword [0x6edb08], eax
je 0x5bbbb4
push 0x6e0a24
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x6edb0c], eax
mov eax, dword [0x6edb0c]
mov byte [ebp - 0x11], 1
cmp eax, esi
mov byte [ebp - 0x12], 0
jne 0x5bbbd1
cmp dword [0x6edb00], esi
je 0x5bc0c6
push esi
push esi
push 3
push esi
push 3
push bind
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edx, eax
cmp edx, 0xffffffff
mov dword [ebp - 0x24], edx
je 0x5bc0c6
mov ecx, 0x40
xor eax, eax
lea edi, [ebp - 0x130]
push esi
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x20]
lea ecx, [ebp - 0x130]
push eax
push 0x100
push ecx
push edx
mov dword [ebp - 0x28], 0x100
mov dword [ebp - 0x20], esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, esi
je 0x5bc0b5
mov ecx, dword [ebp - 0x20]
cmp ecx, esi
jbe 0x5bc0b5
mov eax, dword [0x6edb0c]
cmp eax, esi
je 0x5bbd6a
lea edx, [ebp - 0x18]
push esi
push edx
push esi
push esi
push ecx
lea ecx, [ebp - 0x130]
mov byte [ebp - 4], 1
push ecx
push esi
push esi
mov dword [ebp - 0x18], esi
call eax
cmp eax, esi
jne 0x5bbd61
mov eax, dword [ebp - 0x18]
cmp eax, esi
je 0x5bbd61
add ebx, 0xcc
push eax
mov ecx, ebx
mov byte [ebp - 0x11], 0
call fcn.005faa09
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.ole32.dll_CoTaskMemFree]
mov eax, dword [ebx]
push 0x6bf8fc
push eax
mov dword [ebp - 4], 1
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bbcd0
mov eax, dword [ebx]
push 0x6bed10
push eax
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bbcd0
mov eax, dword [ebx]
push 0x6bf954
push eax
call fcn.005de4a0
add esp, 8
test eax, eax
jne 0x5bbcdc
cmp dword [0x6edb00], esi
je 0x5bbcdc
mov byte [ebp - 0x11], 1
mov eax, dword [ebx]
push 0x6bf8fc
push eax
call fcn.005de4a0
add esp, 8
test eax, eax
jne 0x5bbd61
cmp dword [ebp - 0x20], 7
jb 0x5bbd61
mov ecx, 3
mov edi, 0x6bf2ac
lea esi, [ebp - 0x130]
xor eax, eax
repe cmpsb byte [esi], byte es:[edi]
jne 0x5bbd61
mov cl, byte [ebp - 0x12c]
mov al, 1
test cl, 0x80
je 0x5bbd1b
xor al, al
test cl, 0x40
je 0x5bbd22
xor al, al
test cl, 0x20
je 0x5bbd29
xor al, al
test cl, 0x10
je 0x5bbd30
xor al, al
test cl, 2
je 0x5bbd37
xor al, al
mov cl, byte [ebp - 0x12d]
test cl, cl
je 0x5bbd61
cmp cl, 2
ja 0x5bbd61
test al, al
je 0x5bbd61
push 0x6bf538
push 0x6bc090
push ebx
call fcn.005f368b
add esp, 0xc
mov byte [ebp - 0x11], 0
mov dword [ebp - 4], 0
xor esi, esi
cmp dword [0x6edb00], esi
je 0x5bc0b5
mov al, byte [ebp - 0x11]
test al, al
je 0x5bc0b5
mov ebx, dword [ebp - 0x24]
mov ecx, 0xa8
xor eax, eax
lea edi, [ebp - 0x3d0]
rep stosd dword es:[edi], eax
lea ecx, [ebp - 0x2c]
xor edi, edi
push ecx
push ebx
mov byte [ebp - 0x3d0], 1
mov dword [ebp - 0x18], edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0xffffffff
jne 0x5bbdbf
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x5bbe6a
mov edx, dword [ebp - 0x2c]
push 1
push 0
push 0
push edx
call fcn.005e09d0
xor ecx, ecx
add eax, esi
adc edx, ecx
js 0x5bbe6a
jg 0x5bbde7
cmp eax, 0x100
jbe 0x5bbe6a
test edx, edx
jg 0x5bbdff
jl 0x5bbdf4
cmp eax, 0x1388
jae 0x5bbdff
mov dword [ebp - 0x28], eax
jmp 0x5bbe06
mov dword [ebp - 0x28], 0x1388
mov edx, dword [ebp - 0x28]
push edx
call fcn.005f6c5c
mov esi, eax
add esp, 4
test esi, esi
je 0x5bbe6a
push 0
push 0
push 0
push ebx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, dword [ebp - 0x28]
lea eax, [ebp - 0x20]
push 0
push eax
push ecx
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5bbe5f
mov eax, dword [ebp - 0x20]
test eax, eax
jbe 0x5bbe5f
lea edx, [ebp - 0x3d0]
push edx
push 0
push eax
push esi
call dword [0x6edb00]
mov edi, eax
mov dword [ebp - 0x18], edi
push esi
call fcn.005f6c85
add esp, 4
jmp 0x5bbe89
mov ecx, dword [ebp - 0x20]
lea eax, [ebp - 0x3d0]
push eax
push 0
lea edx, [ebp - 0x130]
push ecx
push edx
call dword [0x6edb00]
mov edi, eax
mov dword [ebp - 0x18], edi
test edi, edi
je 0x5bbe96
cmp edi, 0xffffffff
je 0x5bbe96
mov byte [ebp - 0x11], 0
cmp edi, 3
jne 0x5bbed3
mov ebx, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x20]
xor esi, esi
mov eax, dword [ebx + 0x128]
mov edx, dword [ebx + 0x12c]
cmp eax, ecx
jne 0x5bbec1
cmp edx, esi
jne 0x5bbec1
test edx, edx
jg 0x5bbeca
jl 0x5bbec1
test eax, eax
ja 0x5bbeca
cmp dword [ebp - 0x28], 0x1388
jb 0x5bbee2
mov dword [ebp - 0x18], 1
jmp 0x5bbefe
cmp edi, 1
je 0x5bbefb
cmp edi, 2
je 0x5bbefb
jmp 0x5bc0b5
push 0x6ec0c8
lea ecx, [ebx + 0xcc]
mov byte [ebp - 0x12], 1
call fcn.005fa9e2
jmp 0x5bc0b5
mov ebx, dword [ebp - 0x1c]
lea edi, [ebp - 0x2a3]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5bc03d
lea eax, [ebp - 0x2a3]
push 0x6e0a60
push eax
call fcn.005de4a0
add esp, 8
test eax, eax
jne 0x5bbf3d
lea ecx, [ebx + 0xcc]
push 0x6bed10
push ecx
jmp 0x5bbfef
lea edx, [ebp - 0x2a3]
push 0x6bf950
push edx
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bbfe3
lea eax, [ebp - 0x2a3]
push 0x6e0a58
push eax
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bbfe3
mov esi, dword [ebx + 0xa4]
cmp byte [esi], 0x2e
jne 0x5bbf7d
inc esi
mov eax, dword [0x6edb04]
test eax, eax
je 0x5bbfc6
lea ecx, [ebp - 0x2a3]
push ecx
push esi
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bbfc6
push 0
lea edx, [ebp - 0x307]
push esi
push edx
call dword [0x6edb04]
cmp eax, 1
jne 0x5bbfc6
push esi
lea eax, [ebx + 0xcc]
push 0x6e0a44
push eax
call fcn.005f368b
add esp, 0xc
jmp 0x5bbff7
lea ecx, [ebp - 0x2a3]
lea edx, [ebx + 0xcc]
push ecx
push 0x6e0a44
push edx
call fcn.005f368b
add esp, 0xc
jmp 0x5bbff7
lea eax, [ebx + 0xcc]
push 0x6bf954
push eax
call fcn.005f368b
add esp, 8
cmp dword [ebp - 0x18], 2
jne 0x5bc0b5
mov eax, dword [ebx + 0x14c]
test ah, 1
je 0x5bc0b5
mov edx, dword [ebx + 0x418]
mov eax, dword [ebp - 0x270]
lea ecx, [ebp - 0x18]
push 4
push ecx
push 4
push 0
push 0x6e0830
push edx
mov dword [ebx + 0x330], eax
mov dword [ebp - 0x18], eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
jmp 0x5bc0b5
lea edi, [ebp - 0x307]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5bc0b5
lea eax, [ebp - 0x307]
push 0x6bf8fc
push eax
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bc0b5
lea ecx, [ebp - 0x307]
push 0x6bed10
push ecx
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bc0b5
lea edx, [ebp - 0x307]
push 0x6bf954
push edx
call fcn.005de4a0
add esp, 8
test eax, eax
je 0x5bc0b5
mov ecx, dword [ebp - 0x1c]
lea eax, [ebp - 0x307]
push eax
add ecx, 0xcc
push 0x6bc090
push ecx
call fcn.005f368b
add esp, 0xc
mov edx, dword [ebp - 0x24]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, byte [ebp - 0x11]
test al, al
je 0x5bc123
lea ecx, [ebp - 0x24]
call fcn.005bee80
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x24]
push eax
mov byte [ebp - 4], 5
call fcn.005beff0
mov ecx, dword [ebp + 0xc]
mov byte [ebp - 4], 0
mov dword [ecx], eax
lea ecx, [ebp - 0x24]
call fcn.005beeb0
mov al, byte [ebp - 0x12]
test al, al
jne 0x5bc10a
mov eax, dword [ebp - 0x1c]
mov byte [eax + 0x302], 1
mov dword [eax + 0xb0], 3
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 8
mov al, byte [ebp - 0x12]
test al, al
jne 0x5bc10a
mov esi, dword [ebp - 0x1c]
or ecx, 0xffffffff
xor eax, eax
mov edx, dword [esi + 0xcc]
mov edi, edx
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5bc0f6
push 0x6bf954
push edx
call fcn.005de4a0
mov edx, dword [ebp + 0xc]
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [edx], eax
jne 0x5bc0f6
mov eax, dword [esi + 0x3c]
test eax, eax
jne 0x5bc16b
test byte [esi + 0x14c], 8
je 0x5bc0f6
mov eax, dword [ebp - 0x1c]
or ecx, 0xffffffff
mov ebx, dword [eax + 0xa4]
xor eax, eax
mov edi, ebx
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5bc0f6
cmp byte [ebx], 0x2e
jne 0x5bc18c
inc ebx
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
lea edx, [ebp - 0x4d0]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [ebp - 0x4d0]
push ecx
call fcn.005e133d
push 0x6e0a60
push ebx
call fcn.005de4a0
add esp, 0xc
test eax, eax
je 0x5bc0f6
lea edx, [ebp - 0x4d0]
push edx
push 0x6d8054
call fcn.005de210
add esp, 8
test eax, eax
je 0x5bc0f6
mov eax, dword [ebp - 0x1c]
push 0x6bed10
mov eax, dword [eax + 0xcc]
push eax
call fcn.005de4a0
mov ecx, dword [ebp + 0xc]
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [ecx], eax
jmp 0x5bc0f6