Function at 0x45d480
Capabilities:
Check mutex on windows
Create process on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x591cbb
push eax
mov dword fs:[0], esp
sub esp, 0xa0
cmp byte [0x62e7d0], 0
push ebx
push esi
push edi
mov edi, ecx
je 0x45d9a6
push 0x62e4c0
lea eax, [ebp - 0x48]
push str._s_binSteamService.exe
push eax
call fcn.0046a980
push 0x62e7d0
lea eax, [ebp - 0x1c]
mov dword [ebp - 4], 0
push str._sSteamServiceTmp.exe
push eax
call fcn.0046a980
push 0x62e7d0
lea eax, [ebp - 0x2c]
mov byte [ebp - 4], 1
push str._sSteamService.exe
push eax
call fcn.0046a980
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 0x5b2c20
call fcn.00579ce7
add esp, 8
test eax, eax
jne 0x45d641
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 0x45d59d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0
push 0
lea ecx, [ebp - 0x74]
mov esi, eax
call fcn.0045aaf0
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.0045e970
add esp, 0x2c
mov bl, 1
jmp 0x45d8f8
push 0x2710
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x45d5c3
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045aaf0
push str.Failed_to_lock_update_mutex__n
jmp 0x45d843
mov eax, dword [edi]
mov ecx, edi
push 1
push 1
call dword [eax + 0x20]
cmp byte [ebp - 0x1d], 0
jge 0x45d5e2
mov eax, dword [ebp - 0x2c]
test eax, eax
jne 0x45d5e5
mov eax, 0x594544
jmp 0x45d5e5
lea eax, [ebp - 0x2c]
cmp byte [ebp - 0xd], 0
jge 0x45d5f9
mov ecx, dword [ebp - 0x1c]
test ecx, ecx
jne 0x45d5fc
mov ecx, 0x594544
jmp 0x45d5fc
lea ecx, [ebp - 0x1c]
push eax
push ecx
call fcn.004621f0
mov ecx, dword [edi + 0x254]
add esp, 8
push ecx
test al, al
je 0x45d625
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0x24]
mov bl, 1
jmp 0x45d8f8
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045aaf0
push str.Failed_to_copy_temp_service_file_to_final_location_n
jmp 0x45d982
push closesocket
push dword [esi + 4]
push 0x5b2c9c
call fcn.0046a300
add esp, 0xc
test eax, eax
jne 0x45d8f6
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 0x45d965
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
je 0x45d965
push 0x5b1ee8
lea ecx, [ebp + 0xc]
mov dword [ebp + 0xc], 0
call fcn.0046b2a0
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.0045a9b0
mov ecx, edi
call fcn.0045cdb0
push 0x4466b0
push 1
mov bl, al
mov byte [ebp - 4], 2
push 4
lea eax, [ebp + 0xc]
push eax
call fcn.0056b983
test bl, bl
jne 0x45d709
push 0
push 0
lea ecx, [ebp - 0x74]
call fcn.0045aaf0
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.0045e970
add esp, 0x28
cmp byte [ebp - 0xd], 0
mov byte [ebp + 0xf], 0
jge 0x45d721
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d724
mov eax, 0x594544
jmp 0x45d724
lea eax, [ebp - 0x1c]
cmp byte [ebp - 0x1d], 0
jge 0x45d738
mov ecx, dword [ebp - 0x2c]
test ecx, ecx
jne 0x45d73b
mov ecx, 0x594544
jmp 0x45d73b
lea ecx, [ebp - 0x2c]
cmp byte [ebp - 0x39], 0
jge 0x45d74f
mov edx, dword [ebp - 0x48]
test edx, edx
jne 0x45d752
mov edx, 0x594544
jmp 0x45d752
lea edx, [ebp - 0x48]
lea esi, [ebp + 0xf]
push esi
push eax
push ecx
push edx
mov ecx, edi
call fcn.0045b690
test al, al
je 0x45d8aa
cmp byte [ebp + 0xf], 0
je 0x45d8aa
cmp byte [ebp - 0xd], 0
jge 0x45d786
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d789
mov eax, 0x594544
jmp 0x45d789
lea eax, [ebp - 0x1c]
push 4
push eax
lea ecx, [ebp - 0x84]
call fcn.00458770
push 0
push 0
push str._Update
mov ecx, eax
mov byte [ebp - 4], 4
call fcn.00459980
push eax
push 0x5b2d18
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
lea ecx, [ebp - 0x84]
mov byte [ebp - 4], 2
mov esi, eax
call fcn.00456410
cmp esi, 0x20
jle 0x45d873
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 0x45d860
push dword [edi + 0x254]
call ebx
push 0xa
call dword [sym.imp.KERNEL32.dll_Sleep]
add esi, 0xa
push 0
cmp esi, 0x7d0
jg 0x45d834
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x45d7f4
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov bl, 1
jmp 0x45d8f8
push 0
lea ecx, [ebp - 0x74]
call fcn.0045aaf0
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.0045e970
add esp, 0x28
push dword [edi + 0x254]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov bl, 1
jmp 0x45d8f8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0
push 0
lea ecx, [ebp - 0x74]
mov esi, eax
call fcn.0045aaf0
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.0045e970
add esp, 0x2c
cmp byte [ebp - 0xd], 0
jge 0x45d8be
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d8c1
mov eax, 0x594544
jmp 0x45d8c1
lea eax, [ebp - 0x1c]
push eax
call fcn.00472360
add esp, 4
cmp byte [ebp - 0xd], 0
jge 0x45d8de
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x45d8e1
mov eax, 0x594544
jmp 0x45d8e1
lea eax, [ebp - 0x1c]
push eax
call fcn.00481910
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 0x45d915
call fcn.0047f4e0
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 0x45d932
call fcn.0047f4e0
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 0x45d950
call fcn.0047f4e0
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.0045aaf0
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.0045e970
add esp, 0x28
mov bl, 1
jmp 0x45d8f8
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.0045e970
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