Function at 0x100837b0
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
mov eax, dword [0x10124040]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov edi, ecx
mov dword [ebp - 0x30], edx
mov dword [ebp - 0x34], eax
xor ebx, ebx
mov dword [ebp - 0x2c], edi
xor esi, esi
mov edx, 1
mov ecx, 0x101d9980
xor eax, eax
lock cmpxchg dword [ecx], edx
test eax, eax
je 0x10083815
mov edi, dword [sym.imp.KERNEL32.dll_Sleep]
nop
cmp esi, 0x20
jae 0x100837f9
push 0
jmp 0x100837fb
push 1
call edi
inc esi
mov ecx, 1
xor eax, eax
mov edx, 0x101d9980
lock cmpxchg dword [edx], ecx
test eax, eax
jne 0x100837f0
mov edi, dword [ebp - 0x2c]
cmp dword [0x101d9990], ebx
je 0x10083ac0
mov esi, dword [sym.imp.KERNEL32.dll_VirtualQuery]
lea eax, [ebp - 0x20]
push 0x1c
push eax
push edi
call esi
cmp dword [ebp - 0x10], 0x1000
jne 0x10083846
test byte [ebp - 0xc], 0xf0
je 0x10083846
mov eax, 1
jmp 0x10083848
xor eax, eax
test eax, eax
je 0x10083ab9
push 0x1c
lea eax, [ebp - 0x20]
push eax
push dword [ebp - 0x30]
call esi
cmp dword [ebp - 0x10], 0x1000
jne 0x10083ab9
test byte [ebp - 0xc], 0xf0
je 0x10083ab9
mov edx, dword [0x101d998c]
xor eax, eax
test edx, edx
je 0x10083890
mov ecx, dword [0x101d9984]
cmp edi, dword [ecx]
je 0x10083905
inc eax
add ecx, 0x2c
cmp eax, edx
jb 0x10083884
mov ecx, dword [0x101d997c]
test ecx, ecx
je 0x100838ab
nop word [eax + eax]
cmp dword [ecx + 4], ebx
jne 0x10083914
mov ecx, dword [ecx]
test ecx, ecx
jne 0x100838a0
push 0x40
push 0x3000
push 0x1000
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov ecx, eax
test ecx, ecx
je 0x100838fb
xor edi, edi
mov dword [ecx + 8], ebx
lea edx, [ecx + 0x20]
lea esi, [edi + 0x20]
mov dword [edx], edi
mov eax, edx
mov dword [ecx + 4], edx
add esi, 0x20
add edx, 0x20
mov edi, eax
cmp esi, 0xfe0
jbe 0x100838d0
mov eax, dword [0x101d997c]
mov edi, dword [ebp - 0x2c]
mov dword [ecx], eax
mov dword [0x101d997c], ecx
test ecx, ecx
jne 0x10083914
mov ebx, 9
jmp 0x10083ac5
cmp eax, 0xffffffff
je 0x10083890
mov ebx, 3
jmp 0x10083ac5
mov esi, dword [ecx + 4]
mov dword [ebp - 0x2c], esi
mov eax, dword [esi]
inc dword [ecx + 8]
mov dword [ecx + 4], eax
lea ecx, [ebp - 0x28]
mov eax, dword [ebp - 0x30]
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x24], eax
mov dword [ebp - 0x20], esi
call fcn.10083bd0
test eax, eax
je 0x10083a57
mov ecx, dword [0x101d9984]
test ecx, ecx
jne 0x10083985
push 0x580
push ecx
push dword [0x101d9990]
mov dword [0x101d9988], 0x20
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, eax
mov dword [0x101d9984], ecx
test ecx, ecx
jne 0x100839bf
mov ebx, 9
test ebx, ebx
je 0x10083ac5
mov esi, dword [ebp - 0x2c]
jmp 0x10083a5c
mov eax, dword [0x101d998c]
mov edx, dword [0x101d9988]
cmp eax, edx
jb 0x100839c4
imul eax, edx, 0x58
push eax
push ecx
push 0
push dword [0x101d9990]
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, eax
test ecx, ecx
je 0x10083970
mov eax, dword [0x101d9988]
add eax, eax
mov dword [0x101d9984], ecx
mov dword [0x101d9988], eax
mov eax, dword [0x101d998c]
imul esi, eax, 0x2c
inc eax
mov dword [0x101d998c], eax
add esi, ecx
je 0x10083970
mov eax, dword [ebp - 0x28]
mov cl, byte [esi + 0x14]
mov edx, dword [ebp - 0x1c]
and cl, 0xf8
mov dword [esi], eax
mov eax, dword [ebp - 0x24]
mov dword [esi + 4], eax
mov eax, dword [ebp - 0x20]
mov dword [esi + 8], eax
mov al, dl
and al, 1
or cl, al
mov eax, dword [ebp - 0x18]
mov byte [esi + 0x14], cl
and eax, 0xf
mov ecx, dword [esi + 0x18]
and ecx, 0xfffffff0
or ecx, eax
mov eax, dword [ebp - 0x14]
mov dword [esi + 0x18], ecx
mov ecx, dword [ebp - 0x10]
mov dword [esi + 0x1c], eax
mov eax, dword [ebp - 0xc]
mov dword [esi + 0x20], ecx
mov ecx, dword [ebp - 8]
mov dword [esi + 0x24], eax
mov dword [esi + 0x28], ecx
test edx, edx
je 0x10083a37
mov eax, dword [edi - 5]
mov dword [esi + 0xc], eax
mov ax, word [edi - 1]
mov word [esi + 0x10], ax
mov al, byte [edi + 1]
mov byte [esi + 0x12], al
jmp 0x10083a42
mov eax, dword [edi]
mov dword [esi + 0xc], eax
mov al, byte [edi + 4]
mov byte [esi + 0x10], al
mov ecx, dword [ebp - 0x34]
test ecx, ecx
je 0x10083975
mov eax, dword [ebp - 0x20]
mov dword [ecx], eax
jmp 0x10083975
mov ebx, 8
mov ecx, dword [0x101d997c]
mov eax, esi
xor edx, edx
and eax, 0xfffff000
test ecx, ecx
je 0x10083ac5
nop
cmp ecx, eax
je 0x10083a7e
mov edx, ecx
mov ecx, dword [ecx]
test ecx, ecx
jne 0x10083a70
jmp 0x10083ac5
mov eax, dword [ecx + 4]
mov dword [esi], eax
add dword [ecx + 8], 0xffffffff
mov dword [ecx + 4], esi
jne 0x10083ac5
mov eax, dword [ecx]
test edx, edx
je 0x10083aa4
push 0x8000
push 0
push ecx
mov dword [edx], eax
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x10083ac5
push 0x8000
push 0
push ecx
mov dword [0x101d997c], eax
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x10083ac5
mov ebx, 7
jmp 0x10083ac5
mov ebx, 2
xor ecx, ecx
mov eax, 0x101d9980
xchg dword [eax], ecx
mov ecx, dword [ebp - 4]
mov eax, ebx
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.100f4f36
mov esp, ebp
pop ebp
ret 4