Function at 0x549730
Capabilities:
Get file size
Query or enumerate registry value
Read file on windows
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5c1d20
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x1a84
call fcn.0057ed50
push ebx
mov ebx, ecx
push esi
push edi
mov eax, dword [ebx + 0xc]
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x30], ebx
mov dword [ebp - 4], 0
mov eax, dword [eax + 0xe0]
test eax, eax
je 0x549e54
mov edx, dword [eax]
test edx, edx
je 0x549e54
cmp dword [eax + 4], 0x800
jl 0x549e54
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0xa8c]
lea esi, [ebp - 0xa8c]
rep stosd dword es:[edi], eax
mov edi, edx
mov ecx, 0x200
xor edx, edx
repe cmpsd dword [esi], dword es:[edi]
je 0x549e54
mov edi, dword [ebx + 0x68]
test edi, edi
mov dword [ebp - 0x2c], edi
je 0x5497c3
mov edi, dword [edi + 0x38]
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x4c], edi
mov byte [ebp - 0x11], 0
test edi, edi
je 0x549b2f
mov eax, dword [edi + 0x10]
push 0
push 0
push 3
push 0
push 3
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
mov dword [ebp - 0x18], esi
je 0x549b24
lea ecx, [ebp - 0x34]
mov dword [ebp - 0x34], 0
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x54981e
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x549b14
mov edx, dword [ebp - 0x30]
lea ecx, [ebp - 0x1c]
push 0
push ecx
mov eax, dword [edx + 0xc]
push 0
push esi
mov dword [ebp - 0x1c], 0
mov ebx, dword [eax + 0xe0]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x5498d6
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0xa8c]
lea edx, [ebp - 0x28]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
push 0
push edx
lea eax, [ebp - 0xa8c]
push 0x800
push eax
push esi
mov dword [ebp - 0x28], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5498d6
mov ecx, dword [ebp - 0x28]
test ecx, ecx
je 0x5498d6
mov esi, dword [ebx]
test esi, esi
je 0x5498d6
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x54989a
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0xa8c]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x5498d6
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x5498b4
cmp eax, 0x40
jge 0x5498bb
cmp eax, 0x200
jl 0x5498c1
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x5498d2
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x28]
cmp eax, 0x104
jbe 0x5498d6
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x2c]
lea edx, [ebp - 0x54]
mov dword [ebp - 0x38], 0x10
mov ecx, dword [eax + 0x40]
push ecx
push 0x64eff4
push edx
call fcn.0057f2ea
add esp, 0xc
lea eax, [ebp - 0x38]
lea ecx, [ebp - 0x48]
lea edx, [ebp - 0x54]
push eax
mov eax, dword [ebp - 0x30]
push ecx
push 0
mov ecx, dword [eax + 0xbc]
push 0
push edx
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x549b14
mov eax, dword [ebp - 0x2c]
mov ecx, dword [ebp - 0x3c]
mov edx, dword [eax + 8]
mov esi, dword [eax + 0xc]
mov eax, dword [ebp - 0x40]
cmp eax, edx
jne 0x549938
cmp ecx, esi
je 0x549a0f
cmp ecx, esi
jg 0x54994c
jl 0x549942
cmp eax, edx
jae 0x54994c
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x549950
sub eax, edx
sbb ecx, esi
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x1c], ecx
lea ecx, [ebp - 0x1c]
push 0
mov edx, dword [edx + 0xc]
push ecx
push eax
mov ebx, dword [edx + 0xe0]
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x549a09
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1a94]
mov edx, dword [ebp - 0x18]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x24]
push 0
push eax
lea ecx, [ebp - 0x1a94]
push 0x800
push ecx
push edx
mov dword [ebp - 0x24], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x549a09
mov ecx, dword [ebp - 0x24]
test ecx, ecx
je 0x549a09
mov esi, dword [ebx]
test esi, esi
je 0x549a09
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x5499cd
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1a94]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x549a09
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x5499e7
cmp eax, 0x40
jge 0x5499ee
cmp eax, 0x200
jl 0x5499f4
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x549a05
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x24]
cmp eax, 0x104
jbe 0x549a09
mov byte [ebp - 0x11], 1
mov ecx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x40]
mov edx, dword [ebp - 0x2c]
mov esi, dword [edx]
test esi, esi
je 0x549b14
mov edx, dword [esi + 0x20]
mov esi, dword [esi + 0x24]
cmp eax, edx
jne 0x549a2e
cmp ecx, esi
je 0x549b14
mov edi, dword [ebp - 0x2c]
mov ebx, dword [edi + 8]
cmp ebx, edx
jne 0x549a43
mov edi, dword [edi + 0xc]
cmp edi, esi
je 0x549b14
cmp ecx, esi
jg 0x549a57
jl 0x549a4d
cmp eax, edx
jae 0x549a57
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x549a5b
sub eax, edx
sbb ecx, esi
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x1c], ecx
lea ecx, [ebp - 0x1c]
push 0
mov edx, dword [edx + 0xc]
push ecx
push eax
mov ebx, dword [edx + 0xe0]
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x549b14
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1290]
mov edx, dword [ebp - 0x18]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x20]
push 0
push eax
lea ecx, [ebp - 0x1290]
push 0x800
push ecx
push edx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x549b14
mov ecx, dword [ebp - 0x20]
test ecx, ecx
je 0x549b14
mov esi, dword [ebx]
test esi, esi
je 0x549b14
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x549ad8
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1290]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x549b14
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x549af2
cmp eax, 0x40
jge 0x549af9
cmp eax, 0x200
jl 0x549aff
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x549b10
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x20]
cmp eax, 0x104
jbe 0x549b14
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [ebp - 0x2c]
mov ebx, dword [ebp - 0x30]
mov edi, dword [edi + 0x38]
mov dword [ebp - 0x2c], edi
jmp 0x5497ca
mov eax, dword [ebx + 0xac]
test eax, eax
je 0x549d41
mov eax, dword [ebx + 0x1c0]
test eax, eax
je 0x549b5e
push eax
lea ecx, [ebp - 0x288]
push 0x6680a8
push ecx
call fcn.0057f2ea
add esp, 0xc
jmp 0x549b80
mov edx, dword [ebx + 0x10c]
mov eax, dword [ebx + 0x108]
push edx
push eax
lea ecx, [ebp - 0x288]
push 0x667eec
push ecx
call fcn.0057f2ea
add esp, 0x10
mov edx, dword [ebx + 0x68]
lea ecx, [ebp - 0x18]
mov eax, dword [edx + 0x10]
push eax
call fcn.0059adfd
mov byte [ebp - 4], 1
xor esi, esi
cmp esi, 0xffffffff
je 0x549d35
push esi
lea ecx, [ebp - 0x54]
push 0x64eff4
push ecx
call fcn.0057f2ea
add esp, 0xc
lea edx, [ebp - 0x38]
lea eax, [ebp - 0x48]
lea ecx, [ebp - 0x54]
push edx
mov edx, dword [ebx + 0xbc]
push eax
push 0
push 0
push ecx
push edx
mov dword [ebp - 0x38], 0x10
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x549d35
test esi, esi
je 0x549d2d
mov eax, dword [0x6754d4]
mov dword [ebp - 0x28], eax
mov ecx, dword [ebp - 0x18]
push esi
push ecx
lea edx, [ebp - 0x28]
push 0x66d380
push edx
mov byte [ebp - 4], 2
call fcn.00593b08
mov eax, dword [ebp - 0x28]
add esp, 0x10
push 0
push 0
push 3
push 0
push 3
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [ebp - 0x24], eax
je 0x549d21
lea ecx, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
xor ecx, ecx
cmp eax, 0xffffffff
jne 0x549c56
test ecx, ecx
jne 0x549c56
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x549d14
mov edx, dword [ebp - 0x30]
lea ecx, [ebp - 0x34]
push 0
push ecx
mov eax, dword [edx + 0xc]
mov edx, dword [ebp - 0x24]
push 0
push edx
mov ebx, dword [eax + 0xe0]
mov dword [ebp - 0x34], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x549d14
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1290]
mov edx, dword [ebp - 0x24]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x20]
push 0
push eax
lea ecx, [ebp - 0x1290]
push 0x800
push ecx
push edx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x549d14
mov ecx, dword [ebp - 0x20]
test ecx, ecx
je 0x549d14
mov esi, dword [ebx]
test esi, esi
je 0x549d14
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x549cd8
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1290]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x549d14
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x549cf2
cmp eax, 0x40
jge 0x549cf9
cmp eax, 0x200
jl 0x549cff
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x549d10
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x20]
cmp eax, 0x104
jbe 0x549d14
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ebx, dword [ebp - 0x30]
lea ecx, [ebp - 0x28]
mov byte [ebp - 4], 1
call fcn.0059ad3d
mov esi, dword [ebp - 0x44]
jmp 0x549b95
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 0
call fcn.0059ad3d
mov al, byte [ebp - 0x11]
test al, al
je 0x549e54
push 0x66d338
mov ecx, ebx
call fcn.00548070
mov esi, dword [ebp - 0x4c]
xor edi, edi
cmp esi, edi
je 0x549dc5
mov ecx, dword [esi]
cmp ecx, edi
je 0x549d6c
mov edx, dword [ecx]
call dword [edx + 8]
mov eax, dword [esi + 0x10]
push eax
call fcn.00580313
mov ecx, dword [esi + 0x10]
add esp, 4
cmp eax, 0xffffffff
push ecx
jne 0x549d88
push 0x667b78
jmp 0x549d8d
push 0x66d320
lea edx, [ebp - 0x188]
push edx
call fcn.0057f2ea
add esp, 0xc
lea eax, [ebp - 0x188]
mov ecx, ebx
push eax
call fcn.00548070
mov edi, esi
mov esi, dword [esi + 0x38]
test edi, edi
je 0x549d5b
mov ecx, edi
call fcn.00508510
push edi
call fcn.00597102
add esp, 4
jmp 0x549d5b
lea ecx, [ebx + 0x48]
call fcn.00506d60
mov eax, dword [ebx + 0xbc]
cmp eax, edi
je 0x549dfb
lea ecx, [ebp - 0x48]
push 0x10
push ecx
push edi
push edi
push 0x655480
push eax
mov dword [ebp - 0x48], edi
mov dword [ebp - 0x40], edi
mov dword [ebp - 0x3c], edi
mov dword [ebp - 0x44], 0xffffffff
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov eax, dword [ebx + 0x68]
mov dword [ebx + 0x80], edi
cmp eax, edi
mov dword [ebx + 0x84], edi
mov dword [ebx + 0xac], edi
je 0x549e65
mov dword [eax + 0x38], edi
mov edx, dword [ebx + 0x68]
mov edx, dword [edx]
mov eax, dword [edx + 0x1c]
mov ecx, dword [edx + 0x18]
cmp eax, edi
jl 0x549e33
jg 0x549e2c
cmp ecx, edi
jbe 0x549e33
sub ecx, 1
sbb eax, edi
jmp 0x549e37
xor ecx, ecx
xor eax, eax
mov dword [edx + 0x30], ecx
mov dword [edx + 0x34], eax
mov eax, dword [ebx + 0x68]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x38]
mov dword [ebx + 0x148], edx
mov eax, dword [ecx + 0x3c]
mov dword [ebx + 0x14c], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0xc]
mov dword [ebx + 0x148], edi
mov dword [ebx + 0x120], edi
mov dword [ebx + 0x14c], edi
mov dword [ebx + 0x124], edi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret