Function at 0x100023f0
Capabilities:
Allocate or change rwx memory
Encode data using xor
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
push edi
push 0x100
push 0
push 0x10129548
mov esi, eax
call sub.MSVCR100.dll_memset
add esp, 0xc
xor eax, eax
mov cl, byte [eax + 0x100180c0]
sub cl, 0x1b
xor cl, 0xc
mov byte [eax + 0x10129548], cl
inc eax
cmp eax, 0x100
jb 0x10002410
mov edx, dword [esi + 0x44]
mov eax, dword [esi + 0x40]
mov ecx, dword [esi + 0x3c]
push edx
mov edx, dword [esi + 0x38]
push eax
mov eax, dword [esi + 0x34]
push ecx
mov ecx, dword [esi + 0x30]
push edx
mov edx, dword [esi + 0x2c]
push eax
mov eax, dword [esi + 0x28]
push ecx
movzx ecx, byte [esi + 0xc]
push edx
movzx edx, byte [esi + 0xb]
push eax
movzx eax, byte [esi + 0xa]
push ecx
movzx ecx, byte [esi + 9]
push edx
movzx edx, byte [esi + 8]
push eax
movzx eax, byte [esi + 7]
push ecx
movzx ecx, byte [esi + 6]
push edx
movzx edx, byte [esi + 5]
push eax
movzx eax, byte [esi + 4]
push ecx
push edx
push eax
push 0x10129548
push 0
mov ecx, 0x1011e7a8
call fcn.100063a0
mov al, byte [esi + 4]
add esp, 0x4c
test al, al
jne 0x10002621
mov dword [0x101240dc], 1
call dword [sym.imp.KERNEL32.dll_GetTickCount]
movzx ecx, byte [esi + 5]
movzx edx, byte [esi + 6]
mov edi, dword [sym.imp.KERNEL32.dll_VirtualProtect]
mov dword [0x101240d0], eax
movzx eax, byte [esi + 7]
mov dword [0x101240d4], ecx
movzx ecx, byte [esi + 8]
mov dword [0x101240d8], edx
movzx edx, byte [esi + 9]
mov dword [0x1012411c], eax
movzx eax, byte [esi + 0xa]
mov dword [0x10124110], ecx
movzx ecx, byte [esi + 0xb]
mov dword [0x10124100], edx
movzx edx, byte [esi + 0xc]
mov dword [0x10124104], eax
mov eax, dword [esi + 0x28]
mov dword [0x10124108], ecx
mov dword [0x1012410c], edx
test eax, eax
je 0x1000253f
mov dword [0x1012412c], eax
lea eax, [ebp - 4]
push eax
push 0x40
push 0x20
push 0x1012403c
call edi
push 0x20
push 0x1011ea0c
push 0x1012403c
call sub.MSVCR100.dll_memcpy
mov edx, dword [ebp - 4]
add esp, 0xc
lea ecx, [ebp - 4]
push ecx
push edx
push 0x20
push 0x1012403c
call edi
mov eax, dword [esi + 0x2c]
test eax, eax
je 0x10002587
mov dword [0x10124130], eax
movzx eax, byte [esi + 0xd]
inc al
mov byte [0x10124034], al
movzx ecx, byte [esi + 0xf]
add cl, 2
mov byte [0x10124035], cl
mov dl, byte [esi + 0x10]
add dl, 3
mov byte [0x10124036], dl
movzx eax, byte [esi + 0x12]
add al, 4
mov byte [0x10124037], al
movzx ecx, byte [esi + 0x13]
add cl, 5
mov byte [0x10124038], cl
mov eax, dword [esi + 0x30]
test eax, eax
je 0x100025de
lea edx, [ebp - 4]
push edx
push 0x40
push 0x11
push 0x10124020
mov dword [0x10124134], eax
call edi
mov eax, dword [esi + 0x15]
mov dword [0x10124020], eax
mov ecx, dword [esi + 0x19]
mov dword [0x10124024], ecx
mov edx, dword [esi + 0x1d]
mov dword [0x10124028], edx
mov eax, dword [esi + 0x21]
mov dword [0x1012402c], eax
mov eax, dword [ebp - 4]
mov cl, byte [esi + 0x25]
lea edx, [ebp - 4]
push edx
push eax
push 0x11
push 0x10124020
mov byte [0x10124030], cl
call edi
mov eax, dword [esi + 0x34]
test eax, eax
je 0x100025ea
mov dword [0x10124120], eax
mov eax, dword [esi + 0x38]
test eax, eax
je 0x100025f6
mov dword [0x10124124], eax
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x10002602
mov dword [0x10124128], eax
mov eax, dword [esi + 0x40]
test eax, eax
je 0x1000260e
mov dword [0x10124138], eax
mov esi, dword [esi + 0x44]
test esi, esi
je 0x10002673
mov dword [0x1012413c], esi
pop edi
pop esi
mov esp, ebp
pop ebp
ret
movzx eax, al
dec eax
cmp eax, 4
ja case.default.0x1000262a
jmp dword [eax*4 + 0x1000267c]
mov ecx, 8
jmp 0x10002659
mov ecx, 9
jmp 0x10002659
mov ecx, 0xa
jmp 0x10002659
mov ecx, 0xb
jmp 0x10002659
mov ecx, 0xc
jmp 0x10002659
mov ecx, 0xd
push 0x1388
call fcn.10006b00
push eax
push 1
mov eax, 0x10123a60
call fcn.1000fac0
add esp, 0xc
pop edi
pop esi
mov esp, ebp
pop ebp
ret