Function at 0x45d350
Capabilities:
Check mutex on windows
Create process on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x59134b
push eax
mov dword fs:[0], esp
sub esp, 0xa0
cmp byte [0x62d808], 0
push ebx
push esi
push edi
mov edi, ecx
je 0x45d876
push 0x62d4f8
lea eax, [ebp - 0x48]
push str._s_binSteamService.exe
push eax
call fcn.0046a950
push 0x62d808
lea eax, [ebp - 0x1c]
mov dword [ebp - 4], 0
push str._sSteamServiceTmp.exe
push eax
call fcn.0046a950
push 0x62d808
lea eax, [ebp - 0x2c]
mov byte [ebp - 4], 1
push str._sSteamService.exe
push eax
call fcn.0046a950
add esp, 0x24
lea eax, [ebp - 0x98]
mov byte [ebp - 4], 2
push 1
push eax
mov dword [ebp - 0x38], 0xc
mov dword [ebp - 0x30], 0
mov dword [ebp - 0x34], eax
call dword [sym.imp.ADVAPI32.dll_InitializeSecurityDescriptor]
push 0
push 0
push 1
push dword [ebp - 0x34]
call dword [sym.imp.ADVAPI32.dll_SetSecurityDescriptorDacl]
mov esi, dword [ebp + 0xc]
push dword [esi + 4]
push 0x5b1f98
call fcn.00579371
add esp, 8
test eax, eax
jne 0x45d511
push str.GlobalSteamServiceUpdateMutex
push eax
lea eax, [ebp - 0x38]
push eax
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [edi + 0x254], eax
test eax, eax
jne 0x45d46d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0
push 0
lea ecx, [ebp - 0x74]
mov esi, eax
call fcn.0045a9c0
push esi
push str.Failed_get_update_mutex_GLE__u_n
lea ecx, [eax + 0x20]
push ecx
lea ecx, [eax + 8]
push ecx
push eax
push 1
push 1
push 3
push 4
push 0
push 0
call fcn.0045e590
add esp, 0x2c
mov bl, 1
jmp 0x45d7c8
push 0x2710
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x45d493
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045a9c0
push str.Failed_to_lock_update_mutex__n
jmp 0x45d713
mov eax, dword [edi]
mov ecx, edi
push 1
push 1
call dword [eax + 0x20]
cmp byte [ebp - 0x1d], 0
jge 0x45d4b2
mov eax, dword [ebp - 0x2c]
test eax, eax
jne 0x45d4b5
mov eax, 0x593544
jmp 0x45d4b5
lea eax, [ebp - 0x2c]
cmp byte [ebp - 0xd], 0
jge 0x45d4c9
mov ecx, dword [ebp - 0x1c]
test ecx, ecx
jne 0x45d4cc
mov ecx, 0x593544
jmp 0x45d4cc
lea ecx, [ebp - 0x1c]
push eax
push ecx
call fcn.004620a0
mov ecx, dword [edi + 0x254]
add esp, 8
push ecx
test al, al
je 0x45d4f5
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0x24]
mov bl, 1
jmp 0x45d7c8
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045a9c0
push str.Failed_to_copy_temp_service_file_to_final_location_n
jmp 0x45d852
push SysReAllocString
push dword [esi + 4]
push 0x5b2014
call fcn.0046a290
add esp, 0xc
test eax, eax
jne 0x45d7c6
push str.GlobalSteamServiceUpdateMutex
push 1
lea eax, [ebp - 0x38]
push eax
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [edi + 0x254], eax
test eax, eax
je 0x45d835
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x45d835
push 0x5b1370
lea ecx, [ebp + 0xc]
mov dword [ebp + 0xc], 0
call fcn.0046b270
sub esp, 0x14
mov byte [ebp - 4], 3
lea eax, [ebp + 0x10]
mov ecx, esp
lea edx, [ebp + 0xc]
push eax
push edx
call fcn.0045a880
mov ecx, edi
call fcn.0045cc80
push 0x446670
push 1
mov bl, al
mov byte [ebp - 4], 2
push 4
lea eax, [ebp + 0xc]
push eax
call fcn.0056b8b3
test bl, bl
jne 0x45d5d9
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045a9c0
push str.Failed_to_load_version_info_n
lea ecx, [eax + 0x20]
push ecx
lea ecx, [eax + 8]
push ecx
push eax
push 1
push 1
push 1
push 4
push 0
push 0
call fcn.0045e590
add esp, 0x28
cmp byte [ebp - 0xd], 0
mov byte [ebp + 0xf], 0
jge 0x45d5f1
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d5f4
mov eax, 0x593544
jmp 0x45d5f4
lea eax, [ebp - 0x1c]
cmp byte [ebp - 0x1d], 0
jge 0x45d608
mov ecx, dword [ebp - 0x2c]
test ecx, ecx
jne 0x45d60b
mov ecx, 0x593544
jmp 0x45d60b
lea ecx, [ebp - 0x2c]
cmp byte [ebp - 0x39], 0
jge 0x45d61f
mov edx, dword [ebp - 0x48]
test edx, edx
jne 0x45d622
mov edx, 0x593544
jmp 0x45d622
lea edx, [ebp - 0x48]
lea esi, [ebp + 0xf]
push esi
push eax
push ecx
push edx
mov ecx, edi
call fcn.0045b560
test al, al
je 0x45d77a
cmp byte [ebp + 0xf], 0
je 0x45d77a
cmp byte [ebp - 0xd], 0
jge 0x45d656
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d659
mov eax, 0x593544
jmp 0x45d659
lea eax, [ebp - 0x1c]
push 4
push eax
lea ecx, [ebp - 0x84]
call fcn.00458640
push 0
push 0
push str._Update
mov ecx, eax
mov byte [ebp - 4], 4
call fcn.00459850
push eax
push 0x5b2090
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
lea ecx, [ebp - 0x84]
mov byte [ebp - 4], 2
mov esi, eax
call fcn.004562d0
cmp esi, 0x20
jle 0x45d743
push dword [edi + 0x254]
mov ebx, dword [sym.imp.KERNEL32.dll_ReleaseMutex]
call ebx
xor esi, esi
push esi
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
jne 0x45d730
push dword [edi + 0x254]
call ebx
push 0xa
call dword [sym.imp.KERNEL32.dll_Sleep]
add esi, 0xa
push 0
cmp esi, 0x7d0
jg 0x45d704
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x45d6c4
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov bl, 1
jmp 0x45d7c8
push 0
lea ecx, [ebp - 0x74]
call fcn.0045a9c0
push str.Failed_to_see_temp_bootstrapper_getting_the_mutex_n
lea ecx, [eax + 0x20]
push ecx
lea ecx, [eax + 8]
push ecx
push eax
push 1
push 1
push 3
push 4
push 0
push 0
call fcn.0045e590
add esp, 0x28
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov bl, 1
jmp 0x45d7c8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0
push 0
lea ecx, [ebp - 0x74]
mov esi, eax
call fcn.0045a9c0
push esi
push str.Failed_to_start_temp_bootstrapper_GLE__u_n
lea ecx, [eax + 0x20]
push ecx
lea ecx, [eax + 8]
push ecx
push eax
push 1
push 1
push 3
push 4
push 0
push 0
call fcn.0045e590
add esp, 0x2c
cmp byte [ebp - 0xd], 0
jge 0x45d78e
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d791
mov eax, 0x593544
jmp 0x45d791
lea eax, [ebp - 0x1c]
push eax
call fcn.00472410
add esp, 4
cmp byte [ebp - 0xd], 0
jge 0x45d7ae
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d7b1
mov eax, 0x593544
jmp 0x45d7b1
lea eax, [ebp - 0x1c]
push eax
call fcn.00482020
add esp, 4
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor bl, bl
cmp byte [ebp - 0x1d], 0
mov byte [ebp - 4], 5
jge 0x45d7e5
call fcn.0047fa50
push 0
push dword [ebp - 0x2c]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x1c]
mov ecx, eax
call edx
cmp byte [ebp - 0xd], 0
mov byte [ebp - 4], 6
jge 0x45d802
call fcn.0047fa50
push 0
push dword [ebp - 0x1c]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x1c]
mov ecx, eax
call edx
cmp byte [ebp - 0x39], 0
mov dword [ebp - 4], 7
jge 0x45d820
call fcn.0047fa50
push 0
push dword [ebp - 0x48]
mov ecx, eax
mov edx, dword [eax]
call dword [edx + 0x1c]
mov al, bl
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045a9c0
push str.Existing_service_update_mutex_detetced__stopping_launch_n
lea ecx, [eax + 0x20]
push ecx
lea ecx, [eax + 8]
push ecx
push eax
push 1
push 1
push 3
push 4
push 0
push 0
call fcn.0045e590
add esp, 0x28
mov bl, 1
jmp 0x45d7c8
push str.Failed_to_get_path_to_executable_n
lea eax, [ebp - 0x8c]
push eax
lea eax, [ebp - 0xa4]
push eax
lea eax, [ebp - 0xac]
push eax
push 1
push 1
push 3
push 4
push 0
push 0
call fcn.0045e590
mov ecx, dword [ebp - 0xc]
add esp, 0x28
xor al, al
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8