Function at 0x403def
Capabilities:
Allocate or change rwx memory
Enumerate pe sections
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x440
and dword [ebp - 0x18], 0
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, dword [ebx + 0x3c]
add esi, ebx
cmp dword [esi], 0x4550
push edi
je 0x403e30
mov ax, word [ebx + 0xa]
and ax, 0x11
mov ecx, 0x111
cmp ax, cx
je 0x403e30
call fcn.004047d2
push 0x40133c
jmp 0x404055
push 0x40
push 0x1000
push dword [esi + 0x50]
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov edi, eax
mov dword [ebp - 0xc], edi
test edi, edi
jne 0x403e7e
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
lea eax, [ebp - 0x43c]
call fcn.004047f6
push 0xa
mov eax, esi
lea ecx, [ebp - 0x43c]
call fcn.00404726
call fcn.004047d2
lea eax, [ebp - 0x43c]
push eax
jmp 0x404055
mov edx, dword [esi + 0x54]
push ebx
call fcn.00404848
movzx eax, word [esi + 0x14]
pop ecx
movzx ecx, word [esi + 6]
lea eax, [eax + esi + 0x18]
test ecx, ecx
jbe 0x403ece
lea ebx, [eax + 0xc]
lea edi, [eax + 0x14]
lea esi, [eax + 0x10]
mov dword [ebp - 8], ecx
mov eax, dword [edi]
test eax, eax
je 0x403ebd
mov ecx, dword [ebp + 8]
mov edx, dword [esi]
add eax, ecx
push eax
mov eax, dword [ebx]
add eax, dword [ebp - 0xc]
call fcn.00404848
pop ecx
add esi, 0x28
add edi, 0x28
add ebx, 0x28
dec dword [ebp - 8]
jne 0x403ea4
mov edi, dword [ebp - 0xc]
mov esi, dword [edi + 0x3c]
add esi, edi
call fcn.00403d2a
sub eax, dword [0x40500c]
cmp eax, 0x7fff
jbe 0x403eec
xor eax, eax
jmp 0x403f7a
mov ecx, dword [esi + 0xa4]
mov dword [ebp - 0x10], ecx
test ecx, ecx
je 0x403f5d
mov eax, dword [esi + 0xa0]
mov ebx, edi
sub ebx, dword [esi + 0x34]
add eax, edi
test ecx, ecx
jbe 0x403f5d
mov edx, dword [eax + 4]
sub edx, 8
mov dword [ebp - 8], edx
mov edx, dword [eax]
mov dword [ebp - 0x14], edx
lea edx, [eax + 8]
mov dword [ebp + 8], edx
je 0x403f52
mov ecx, dword [ebp + 8]
movzx ecx, word [ecx]
mov edx, ecx
shr edx, 0xc
test edx, edx
je 0x403f41
cmp edx, 3
jne 0x403f7f
and ecx, 0xfff
add ecx, dword [ebp - 0x14]
add ecx, edi
add dword [ecx], ebx
sub dword [ebp - 8], 2
add dword [ebp + 8], 2
cmp dword [ebp - 8], 0
ja 0x403f20
mov ecx, dword [ebp - 0x10]
sub ecx, dword [eax + 4]
mov eax, dword [ebp + 8]
mov dword [ebp - 0x10], ecx
jne 0x403f0a
cmp dword [esi + 0x84], 0
je 0x403f74
mov ebx, dword [esi + 0x80]
add ebx, edi
jne 0x40402f
mov dword [ebp - 0x18], edi
mov eax, dword [ebp - 0x18]
pop edi
pop esi
pop ebx
leave
ret
call fcn.004047d2
push 0x401360
jmp 0x404055
lea esi, [eax + edi]
call fcn.00403d2a
sub eax, dword [0x40500c]
cmp eax, 0x7fff
ja 0x403ee5
push esi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [ebp - 8], eax
test eax, eax
je 0x40403f
mov esi, dword [ebx]
add esi, edi
mov edi, dword [ebx + 0x10]
add edi, dword [ebp - 0xc]
jmp 0x404023
and dword [ebp - 0x10], 0
and dword [ebp - 0x14], 0
mov ecx, 0x80000000
mov edx, eax
and edx, ecx
cmp edx, ecx
je 0x403ffb
mov ecx, dword [ebp - 0xc]
lea eax, [eax + ecx + 2]
mov ecx, eax
mov dword [ebp - 0x1c], eax
call fcn.00404816
mov ecx, dword [ebp - 0x14]
mov word [ebp - 0x20], ax
mov word [ebp - 0x1e], ax
lea eax, [ebp - 0x20]
jmp 0x404001
movzx ecx, word [esi]
mov eax, dword [ebp - 0x10]
and dword [ebp + 8], 0
lea edx, [ebp + 8]
push edx
push ecx
push eax
push dword [ebp - 8]
call dword [section..data]
mov eax, dword [ebp + 8]
test eax, eax
je 0x40404b
mov dword [edi], eax
add esi, 4
add edi, 4
mov eax, dword [esi]
test eax, eax
jne 0x403fc5
mov edi, dword [ebp - 0xc]
add ebx, 0x14
mov eax, dword [ebx + 0xc]
test eax, eax
jne 0x403f8e
jmp 0x403f74
call fcn.004047d2
push 0x401370
jmp 0x404055
call fcn.004047d2
push 0x401380
or eax, 0xffffffff
mov esi, 0x405010
call fcn.0040478f
jmp 0x403f77