Function at 0x401510
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x4c
mov edx, dword [0x402010]
cmp edx, 0xffffffff
je 0x4015c8
sub edx, 1
js 0x40158b
mov eax, dword [0x405088]
xor ebx, ebx
mov ecx, edx
mov edi, ebx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 8]
add eax, 1
mov dword [ebp - 0x24], eax
mov eax, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [ebp - 0x28], eax
jmp 0x401557
lea edi, [esi + 1]
cmp edi, ecx
jg 0x40158b
lea esi, [edi + ecx]
mov eax, dword [ebp - 0x20]
mov dword [ebp - 0x1c], ecx
sar esi, 1
mov ebx, esi
shl ebx, 4
add ebx, eax
lea eax, [ebx + 1]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x24]
mov dword [esp], eax
mov eax, dword [ebp - 0x28]
call eax
mov ecx, dword [ebp - 0x1c]
test eax, eax
je 0x4015b8
jns 0x401550
lea ecx, [esi - 1]
cmp edi, ecx
jle 0x401557
mov edx, dword [ebp + 8]
movzx eax, byte [0x402014]
cmp byte [edx], 0
js 0x4015a8
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov edx, dword [ebp + 8]
mov byte [edx], al
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
movzx eax, byte [ebx]
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov dword [esp], 0x403048
call dword [sym.imp.ucrtbase.dll_getenv]
mov dword [0x402010], 0
test eax, eax
je 0x40158b
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll__strdup]
test eax, eax
je 0x40170e
mov dword [ebp - 0x38], eax
mov ebx, eax
lea esi, [esi]
mov dword [esp + 4], 0x2c
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strchr]
mov dword [ebp - 0x1c], 0
test eax, eax
je 0x401625
lea edx, [eax + 1]
mov byte [eax], 0
mov dword [ebp - 0x1c], edx
mov dword [esp + 4], 0x403052
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strcspn]
lea edx, [ebx + eax]
mov esi, eax
movzx eax, byte [edx]
test al, al
je 0x4016b0
cmp ebx, edx
jae 0x4017d0
mov ecx, 5
mov dword [ebp - 0x20], edx
xor edi, edi
mov byte [ebp - 0x24], al
cmp esi, ecx
jne 0x40167a
mov eax, dword [edi*4 + 0x4030f0]
mov dword [esp + 8], esi
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._memcmp
test eax, eax
je 0x40185e
add edi, 1
cmp edi, 4
je 0x4016a0
mov eax, dword [edi*4 + 0x4030f0]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_strlen]
mov ecx, eax
cmp esi, ecx
je 0x40165b
add edi, 1
cmp edi, 4
jne 0x401682
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x401702
mov ebx, dword [ebp - 0x1c]
jmp 0x401600
movzx eax, byte [ebx]
cmp al, 0x2d
je 0x401720
lea edx, [eax - 0x2b]
and edx, 0xfd
mov esi, edx
je 0x4017c0
mov byte [ebp - 0x24], 0xff
xor esi, esi
test al, al
je 0x4016a0
mov dword [esp + 4], 0x403055
mov edi, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [esp], ebx
call edi
test eax, eax
jne 0x401738
mov eax, esi
not eax
and al, byte [0x402014]
or al, byte [ebp - 0x24]
mov byte [0x402014], al
mov eax, dword [ebp - 0x1c]
test eax, eax
jne 0x4016a7
mov esi, dword [ebp - 0x38]
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_free]
mov edx, dword [0x402010]
jmp 0x401528
mov byte [ebp - 0x24], 0
mov esi, 0xffffffff
mov edx, ebx
movzx eax, byte [edx + 1]
lea ebx, [edx + 1]
jmp 0x4016ce
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strlen]
mov ecx, eax
cmp eax, 0xe
ja 0x4016a0
mov eax, dword [0x402010]
mov edx, dword [0x405088]
mov dword [ebp - 0x34], eax
sub eax, 1
mov dword [ebp - 0x28], edx
mov dword [ebp - 0x20], eax
js 0x40198a
xor edx, edx
mov eax, esi
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x30], edi
mov ebx, edx
mov edi, dword [ebp - 0x20]
mov byte [ebp - 0x39], al
mov dword [ebp - 0x40], ecx
jmp 0x401787
lea ebx, [ecx + 1]
cmp edi, ebx
jl 0x4017e9
lea ecx, [ebx + edi]
mov eax, dword [ebp - 0x28]
sar ecx, 1
mov esi, ecx
mov dword [ebp - 0x20], ecx
shl esi, 4
add esi, eax
lea eax, [esi + 1]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x2c]
mov dword [esp], eax
mov eax, dword [ebp - 0x30]
call eax
mov ecx, dword [ebp - 0x20]
test eax, eax
je 0x4017d7
jns 0x401780
lea edi, [ecx - 1]
jmp 0x401783
mov byte [ebp - 0x24], 0xff
mov edx, ebx
jmp 0x40172b
mov ebx, edx
jmp 0x4016b3
movzx edx, byte [ebp - 0x39]
not edx
and dl, byte [esi]
or dl, byte [ebp - 0x24]
mov byte [esi], dl
jmp 0x4016a0
mov edx, ebx
mov ebx, dword [ebp - 0x2c]
movzx esi, byte [ebp - 0x39]
mov edi, edx
mov dword [ebp - 0x2c], edx
mov ecx, dword [ebp - 0x40]
shl edi, 4
mov dword [ebp - 0x20], edi
mov eax, dword [0x40508c]
cmp dword [ebp - 0x34], eax
jge 0x4018df
mov eax, dword [ebp - 0x28]
mov edi, dword [ebp - 0x20]
add edi, eax
mov eax, dword [ebp - 0x34]
cmp edx, eax
jl 0x40194f
add ecx, 1
lea eax, [edi + 1]
cmp ecx, 4
jae 0x401896
test ecx, ecx
je 0x40183f
movzx edx, byte [ebx]
mov byte [edi + 1], dl
test cl, 2
jne 0x4019cb
mov eax, esi
not eax
and al, byte [0x402014]
or al, byte [ebp - 0x24]
mov byte [edi], al
mov eax, dword [ebp - 0x34]
add eax, 1
mov dword [0x402010], eax
jmp 0x4016a0
mov ecx, edi
mov ebx, 1
movzx eax, byte [ebp - 0x24]
mov edx, dword [ebp - 0x20]
shl ebx, cl
mov ecx, ebx
mov esi, ebx
cmp al, 0x2b
je 0x40197e
sub eax, 0x2b
and eax, 0xfd
mov byte [ebp - 0x24], al
je 0x40172b
mov byte [ebp - 0x24], 0
mov ebx, edx
jmp 0x4016d2
mov edx, dword [ebx]
mov dword [edi + 1], edx
mov edx, dword [ebx + ecx - 4]
mov dword [eax + ecx - 4], edx
lea edx, [edi + 5]
and edx, 0xfffffffc
sub eax, edx
mov dword [ebp - 0x20], edx
add ecx, eax
sub ebx, eax
and ecx, 0xfffffffc
cmp ecx, 4
jb 0x40183f
mov eax, ecx
mov ecx, esi
xor edx, edx
mov byte [ebp - 0x28], cl
mov ecx, dword [ebp - 0x20]
and eax, 0xfffffffc
mov esi, dword [ebx + edx]
mov dword [ecx + edx], esi
add edx, 4
cmp edx, eax
jb 0x4018c9
movzx esi, byte [ebp - 0x28]
jmp 0x40183f
add eax, eax
mov edi, 0x10
mov dword [ebp - 0x34], ecx
cmp eax, 0x10
mov dword [ebp - 0x30], edx
cmovl eax, edi
mov dword [0x40508c], eax
shl eax, 4
mov edi, eax
mov eax, dword fs:[0x18]
cmp dword [ebp - 0x28], 0
je 0x40199f
mov dword [esp + 0xc], edi
mov edx, dword [ebp - 0x28]
mov dword [esp + 4], 0
mov dword [esp + 8], edx
mov eax, dword [eax + 0x30]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
call dword [sym.imp.kernel32.dll_HeapReAlloc]
mov ecx, dword [ebp - 0x34]
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x28], eax
sub esp, 0x10
mov eax, dword [ebp - 0x28]
mov dword [0x405088], eax
mov eax, dword [0x402010]
mov dword [ebp - 0x34], eax
jmp 0x40180e
sub eax, edx
mov dword [ebp - 0x20], ecx
shl eax, 4
mov dword [esp + 4], edi
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x2c]
mov edx, dword [ebp - 0x28]
add eax, 1
shl eax, 4
add edx, eax
mov dword [esp], edx
call dword [sym.imp.ucrtbase.dll_memmove]
mov ecx, dword [ebp - 0x20]
jmp 0x401821
mov byte [ebp - 0x24], cl
mov ebx, edx
xor esi, esi
jmp 0x401729
mov dword [ebp - 0x20], 0
xor edx, edx
mov dword [ebp - 0x2c], 0
jmp 0x401800
mov dword [esp + 8], edi
mov dword [esp + 4], 0
mov eax, dword [eax + 0x30]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
call dword [sym.imp.kernel32.dll_HeapAlloc]
mov edx, dword [ebp - 0x30]
mov ecx, dword [ebp - 0x34]
mov dword [ebp - 0x28], eax
sub esp, 0xc
jmp 0x40193a
movzx edx, word [ebx + ecx - 2]
mov word [eax + ecx - 2], dx
jmp 0x40183f