Function at 0x54f880
Capabilities:
Check if file exists
Copy file
Get file attributes
Get file size
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5c24ec
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x33a20
call fcn.0057ed50
push ebx
push esi
mov esi, ecx
push edi
xor edi, edi
mov dword [ebp - 0x10], esp
mov edx, dword [esi + 0x400]
mov dword [ebp - 0x44], esi
cmp edx, edi
mov dword [ebp - 4], edi
jne 0x54fd18
mov al, byte [esi + 0x98a]
test al, al
je 0x54fd18
xor ecx, ecx
mov dword [ebp - 0x38], edi
mov dword [ebp - 0x40], ecx
mov word [ebp - 0x3c], di
mov eax, dword [esi + 0x4c]
mov edx, 0x64efa8
test edx, edx
mov byte [ebp - 4], 1
je 0x54f9ad
cmp eax, edi
je 0x54f9ad
push eax
lea ecx, [ebp - 0x34]
mov dword [ebp - 0x34], edi
mov dword [ebp - 0x2c], edi
mov word [ebp - 0x30], di
call fcn.00401fb0
lea ecx, [ebp - 0x40]
mov byte [ebp - 4], 2
call fcn.00401070
push 0x64efa8
lea ecx, [ebp - 0x28]
call fcn.00401f20
mov eax, dword [ebp - 0x34]
mov byte [ebp - 4], 3
cmp eax, edi
jne 0x54f931
lea eax, [ebp - 0x30]
mov edi, dword [ebp - 0x20]
push eax
call fcn.0057e90a
lea ebx, [eax + edi + 2]
lea edi, [ebx + ebx]
push edi
call fcn.005970d9
mov edx, eax
add esp, 8
test edx, edx
mov dword [ebp - 0x40], edx
je 0x54f992
mov ecx, edi
mov edi, edx
mov edx, ecx
xor eax, eax
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
lea ecx, [ebp - 0x34]
call fcn.00401fa0
push eax
lea ecx, [ebp - 0x28]
call fcn.00401fa0
push eax
mov eax, dword [ebp - 0x40]
push ebx
push eax
call fcn.0057e89a
mov ecx, dword [ebp - 0x40]
push ecx
call fcn.0057e90a
add esp, 0x14
mov dword [ebp - 0x38], eax
lea ecx, [ebp - 0x28]
mov byte [ebp - 4], 2
call fcn.00401070
lea ecx, [ebp - 0x34]
mov byte [ebp - 4], 1
call fcn.00401070
mov ecx, dword [ebp - 0x40]
xor ebx, ebx
cmp ecx, ebx
jne 0x54f9b6
lea ecx, [ebp - 0x3c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x54fb90
mov eax, dword [ebp - 0x40]
cmp eax, ebx
jne 0x54f9d0
lea eax, [ebp - 0x3c]
add eax, 6
push 0x5c
push eax
call fcn.0057ed7f
add esp, 8
mov edi, eax
cmp edi, ebx
je 0x54fb90
mov eax, dword [ebp - 0x40]
cmp eax, ebx
jne 0x54f9f2
lea eax, [ebp - 0x3c]
push eax
lea ecx, [ebp - 0x34]
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x2c], ebx
mov word [ebp - 0x30], bx
call fcn.00401fb0
mov ecx, dword [ebp - 0x34]
mov byte [ebp - 4], 4
cmp ecx, ebx
jne 0x54fa13
lea ecx, [ebp - 0x30]
mov eax, dword [ebp - 0x40]
cmp eax, ebx
jne 0x54fa1d
lea eax, [ebp - 0x3c]
mov edx, edi
sub edx, eax
sar edx, 1
mov word [ecx + edx*2], bx
mov eax, dword [ebp - 0x34]
cmp eax, ebx
jne 0x54fa31
lea eax, [ebp - 0x30]
push 1
push eax
call fcn.0046e090
add esp, 8
cmp eax, ebx
jne 0x54fb6f
mov eax, dword [ebp - 0x34]
cmp eax, ebx
jne 0x54fa4e
lea eax, [ebp - 0x30]
push 1
push eax
call fcn.0046e270
add esp, 8
cmp eax, ebx
jne 0x54fb6f
mov eax, dword [0x6754cc]
mov dword [ebp - 0x1c], eax
push ebx
lea ecx, [ebp - 0x14]
push ebx
push ecx
push 0x400
mov byte [ebp - 4], 5
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push ebx
push 0x1100
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
mov edx, dword [ebp - 0x14]
mov eax, dword [0x67adb4]
push edx
lea ecx, [ebp - 0x1c]
push eax
push ecx
call fcn.00593b08
mov edx, dword [ebp - 0x14]
add esp, 0xc
push edx
call dword [sym.imp.KERNEL32.dll_LocalFree]
mov esi, dword [ebp - 0x1c]
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x28], ebx
mov dword [ebp - 0x20], ebx
mov word [ebp - 0x24], bx
call fcn.00401070
cmp esi, ebx
je 0x54fb0d
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x54fb0d
mov edi, dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
push eax
push eax
push 0xffffffffffffffff
push esi
push eax
push eax
call edi
test eax, eax
mov dword [ebp - 0x20], eax
je 0x54fb0d
lea eax, [eax + eax + 2]
push eax
call fcn.005970d9
add esp, 4
mov dword [ebp - 0x28], eax
test eax, eax
je 0x54fb10
mov ecx, dword [ebp - 0x20]
push ecx
push eax
push 0xffffffffffffffff
push esi
push 0
push 0
call edi
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0x40]
test ecx, ecx
jne 0x54fb1a
lea ecx, [ebp - 0x3c]
test eax, eax
jne 0x54fb21
lea eax, [ebp - 0x24]
push 0x30
push ecx
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxW]
lea ecx, [ebp - 0x28]
call fcn.00401070
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], 4
call fcn.0059ad3d
lea ecx, [ebp - 0x34]
mov byte [ebp - 4], 1
call fcn.00401070
lea ecx, [ebp - 0x40]
mov byte [ebp - 4], 0
call fcn.00401070
mov eax, 0x7546
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
add edi, 2
push 0x5c
push edi
call fcn.0057ed7f
add esp, 8
lea ecx, [ebp - 0x34]
mov edi, eax
mov byte [ebp - 4], 1
call fcn.00401070
jmp 0x54f9e0
cmp dword [esi + 0x980], ebx
je 0x54fd0a
cmp dword [esi + 0x984], ebx
je 0x54fd0a
lea edx, [ebp - 0x20]
lea eax, [ebp - 0x14]
push edx
mov edi, dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
push eax
push 0
push 0xf003f
push 0
push 0x679a18
push 0
push str.SoftwareDownloadManagerGrabberStsProjects_
push reloc.WSOCK32.dll_accept
call edi
test eax, eax
jne 0x54fd0a
mov ecx, dword [ebp - 0x14]
mov ebx, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push ecx
call ebx
mov edx, dword [0x6754cc]
mov dword [ebp - 0x1c], edx
mov eax, dword [esi + 0x980]
lea ecx, [ebp - 0x1c]
push eax
push str.SoftwareDownloadManagerGrabberStsProjects_ld_
push ecx
mov byte [ebp - 4], 6
call fcn.00593b08
add esp, 0xc
mov ecx, dword [ebp - 0x1c]
lea edx, [ebp - 0x20]
lea eax, [ebp - 0x14]
push edx
push eax
push 0
push 0xf003f
push 0
push 0x679a18
push 0
push ecx
push reloc.WSOCK32.dll_accept
call edi
test eax, eax
jne 0x54fcfe
mov edx, dword [ebp - 0x14]
push edx
call ebx
mov eax, dword [esi + 0x984]
mov ecx, dword [esi + 0x980]
push eax
push ecx
lea edx, [ebp - 0x1c]
push str.SoftwareDownloadManagerGrabberStsProjects_ld_ld_
push edx
call fcn.00593b08
add esp, 0x10
mov edx, dword [ebp - 0x1c]
lea eax, [ebp - 0x20]
lea ecx, [ebp - 0x14]
push eax
push ecx
push 0
push 0xf003f
push 0
push 0x679a18
push 0
push edx
push reloc.WSOCK32.dll_accept
call edi
test eax, eax
jne 0x54fcfe
mov eax, dword [esi + 0x50]
push eax
call fcn.0057e90a
mov edx, dword [esi + 0x50]
add esp, 4
mov edi, dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
lea ecx, [eax + eax + 1]
mov eax, dword [ebp - 0x14]
push ecx
push edx
push 1
push 0
push str.LocalFileName
push eax
call edi
mov ecx, dword [esi + 0x4c]
push ecx
call fcn.0057e90a
mov ecx, dword [ebp - 0x14]
add esp, 4
lea edx, [eax + eax + 1]
mov eax, dword [esi + 0x4c]
push edx
push eax
push 1
push 0
push str.LocalPath
push ecx
call edi
lea ebx, [esi + 0x430]
push ebx
call fcn.0057e90a
add esp, 4
lea edx, [eax + eax + 1]
mov eax, dword [ebp - 0x14]
push edx
push ebx
push 1
push 0
push str.LogFileName
push eax
call edi
mov ecx, dword [ebp - 0x14]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], 1
call fcn.0059ad3d
lea ecx, [ebp - 0x40]
mov byte [ebp - 4], 0
call fcn.00401070
jmp 0x54fd4c
mov al, byte [esi + 0x970]
test al, al
je 0x54fd2a
mov ecx, dword [esi + 0x984]
jmp 0x54fd2c
xor ecx, ecx
test al, al
je 0x54fd38
mov eax, dword [esi + 0x980]
jmp 0x54fd3a
xor eax, eax
push ecx
push eax
push edx
lea ecx, [esi + 0x20]
call fcn.00558fe0
mov byte [esi + 0x98a], 1
mov edx, dword [esi + 0x400]
lea ebx, [esi + 0x20]
push edx
mov ecx, ebx
call fcn.005586a0
mov eax, dword [esi + 0x18]
xor edi, edi
cmp eax, edi
je 0x54fd7e
mov ecx, dword [esi + 0x400]
push ecx
push 0x13cd
push 0x111
push eax
call dword [sym.imp.USER32.dll_PostMessageA]
push 1
mov ecx, esi
mov dword [esi + 0x96c], edi
mov dword [esi + 0x97c], edi
call fcn.0054ef60
lea ecx, [esi + 0x42c]
call fcn.0050c1f0
mov edi, dword [esi + 0x38]
test edi, edi
je 0x54fdb8
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
mov dword [ebp - 0x20], ecx
jne 0x54fec9
mov eax, dword [esi + 0x44]
cmp eax, 2
je 0x54fdc9
cmp eax, 1
jne 0x54fec9
mov eax, dword [esi + 0x24]
test eax, eax
je 0x54fdfa
push str._simtelnet_
push eax
call fcn.0057ea00
add esp, 8
test eax, eax
je 0x54fdfa
mov edx, dword [ebx]
push str.simtel.net
push edx
call fcn.0057ea00
add esp, 8
test eax, eax
je 0x54fec9
mov eax, dword [esi + 0x974]
test eax, eax
jne 0x54fec9
mov eax, dword [0x6754cc]
mov dword [ebp - 0x1c], eax
mov eax, dword [esi + 0x34]
mov byte [ebp - 4], 7
cmp eax, 0x50
jne 0x54fe22
cmp dword [esi + 0x44], 1
je 0x54fe2f
cmp eax, 0x1bb
jne 0x54fe42
cmp dword [esi + 0x44], 2
jne 0x54fe42
lea ecx, [ebp - 0x24]
push 0x679a18
push ecx
call fcn.0057f2ea
add esp, 8
jmp 0x54fe54
push eax
lea edx, [ebp - 0x24]
push str.:_ld
push edx
call fcn.0057f2ea
add esp, 0xc
mov eax, dword [esi + 0x24]
test eax, eax
mov edx, eax
jne 0x54fe62
mov edx, 0x679a18
test eax, eax
je 0x54fe72
mov cl, byte [eax]
cmp cl, 0x2f
mov ecx, 0x679a18
je 0x54fe77
mov ecx, 0x651488
mov eax, dword [esi + 0x44]
cmp eax, 1
mov eax, 0x64f25c
je 0x54fe89
mov eax, 0x64f174
push edx
mov edx, dword [ebx]
push ecx
lea ecx, [ebp - 0x24]
push ecx
push edx
push eax
lea eax, [ebp - 0x1c]
push str._s:___s_s_s_s
push eax
call fcn.00593b08
mov ecx, dword [ebp - 0x1c]
add esp, 0x1c
push ecx
mov ecx, esi
call fcn.005519f0
lea ecx, [ebp - 0x1c]
mov byte [esi + 0x2dc], 1
mov byte [esi + 0x2dd], 1
mov byte [ebp - 4], 0
call fcn.0059ad3d
lea ebx, [esi + 0x998]
mov byte [esi + 0x2db], 0
mov dword [esi + 0xcc], 0
mov byte [ebp - 0x15], 0
mov eax, dword [ebx]
test eax, eax
jne 0x54feed
lea eax, [ebx + 4]
push eax
call fcn.0057e90a
add esp, 4
test eax, eax
je 0x5501bf
mov eax, dword [ebx]
test eax, eax
jne 0x54ff07
lea eax, [ebx + 4]
push 0
push 0
push 3
push 0
push 1
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
je 0x5501bf
lea edx, [ebp - 0x20]
push edx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [esi + 0x408], eax
mov dword [esi + 0x40c], 0
cmp dword [esi + 0x408], 0xffffffff
jne 0x54ff6a
mov eax, dword [esi + 0x40c]
test eax, eax
jne 0x54ff6a
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x54ff6a
xor eax, eax
mov dword [esi + 0x408], eax
jmp 0x54ff8f
mov eax, dword [ebp - 0x20]
push 1
push 0
push 0
push eax
call fcn.00581190
mov ecx, dword [esi + 0x408]
add ecx, eax
mov dword [esi + 0x408], ecx
mov eax, dword [esi + 0x40c]
adc eax, edx
push edi
mov dword [esi + 0x40c], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x518ad0
push fcn.00518820
push 0x10
lea ecx, [ebp - 0x33a30]
push 0x3320
push ecx
call fcn.0057f483
mov edx, dword [esi]
lea eax, [esi + 0x42c]
push edx
push eax
lea eax, [esi + 0x20]
lea ecx, [esi + 0x850]
push eax
lea eax, [ebp - 0x33a30]
push eax
push ecx
lea ecx, [ebp - 0x830]
mov byte [ebp - 4], 8
call fcn.00525df0
mov ecx, dword [esi + 0x978]
lea eax, [esi + 0x18]
mov dword [ebp - 0x81c], eax
mov eax, dword [esi + 0x974]
lea edx, [esi + 0x1c]
push eax
mov eax, dword [esi + 0x980]
mov dword [ebp - 0x818], edx
mov edx, dword [esi + 0x984]
push ecx
push edx
mov edx, dword [esi + 0x400]
push eax
mov al, byte [esi + 0x970]
xor ecx, ecx
lea edi, [esi + 0x14]
test al, al
sete cl
push ecx
push edx
lea ecx, [ebp - 0x830]
mov byte [ebp - 4], 9
mov dword [ebp - 0x820], edi
mov dword [ebp - 0x778], edi
call fcn.00548780
mov eax, dword [esi + 0x40c]
mov ecx, dword [esi + 0x408]
push 1
push eax
push ecx
lea ecx, [ebp - 0x830]
call fcn.00548c50
mov al, byte [esi + 0x970]
test al, al
je 0x55007e
xor eax, eax
mov byte [ebp - 0x15], 1
mov dword [esi + 0x96c], eax
mov dword [ebp - 0x14], eax
jmp 0x55018d
mov eax, dword [ebx]
test eax, eax
jne 0x550087
lea eax, [ebx + 4]
mov edx, dword [esi + 0x50]
push 0
push edx
push eax
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
je 0x55012d
mov edx, dword [esi + 0x408]
mov ecx, dword [esi + 0x40c]
mov eax, edx
mov dword [ebp - 0x6e4], ecx
mov dword [ebp - 0x6e8], eax
or eax, ecx
jne 0x5500ce
mov dword [ebp - 0x710], 0
mov dword [ebp - 0x70c], 0
mov dword [esi + 0x410], edx
mov dword [esi + 0x414], ecx
lea ecx, [ebp - 0x830]
mov dword [esi + 0x96c], 0
call fcn.00548a20
mov dword [esi + 0x848], 3
mov eax, dword [esi + 0x5c]
test eax, eax
mov dword [ebp - 0x14], 0
mov byte [ebp - 0x15], 1
je 0x55012d
mov eax, dword [edi]
test eax, eax
je 0x550124
push 0
push 0x1472
push 0x111
push eax
call dword [sym.imp.USER32.dll_SendMessageA]
push 1
mov ecx, esi
call fcn.0054e9e0
mov ecx, ebx
call fcn.00401070
mov eax, 0x679a18
test eax, eax
je 0x55018d
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x55018d
mov edi, dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
push eax
push eax
push 0xffffffffffffffff
push 0x679a18
push eax
push eax
call edi
test eax, eax
mov dword [ebx + 8], eax
je 0x55018d
lea ecx, [eax + eax + 2]
push ecx
call fcn.005970d9
add esp, 4
mov dword [ebx], eax
test eax, eax
je 0x55018d
mov edx, dword [ebx + 8]
push edx
push eax
push 0xffffffffffffffff
push 0x679a18
push 0
push 0
call edi
mov dword [ebx + 8], eax
lea ecx, [ebp - 0x830]
mov byte [ebp - 4], 8
call fcn.00525eb0
push 0x518ad0
push 0x10
lea eax, [ebp - 0x33a30]
push 0x3320
push eax
mov byte [ebp - 4], 0
call fcn.0057e391
mov al, byte [ebp - 0x15]
test al, al
jne case.default.0x5501c7
mov eax, dword [esi + 0x44]
cmp eax, 4
ja case.default.0x5501c7
jmp dword [eax*4 + 0x550274]
mov ecx, esi
call fcn.0054b830
jmp 0x5501f0
mov ecx, esi
call fcn.0054a670
jmp 0x5501f0
mov ecx, esi
call fcn.0054ac40
jmp 0x5501f0
mov ecx, esi
call fcn.0054b180
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0x14]
mov byte [esi + 0x2e1], 0
mov byte [esi + 0x178], 0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret