Function at 0x401220
Capabilities:
Query environment variable

Disassembly:
lea ecx, [esp + 4]
and esp, 0xfffffff0
push dword [ecx - 4]
push ebp
mov ebp, esp
push edi
push esi
push ebx
push ecx
sub esp, 0x48
mov edx, dword [0x403010]
mov ecx, dword [ecx]
cmp edx, 0xffffffff
je 0x4012f0
sub edx, 1
js 0x4012b5
mov eax, dword [0x405088]
xor ebx, ebx
mov dword [ebp - 0x2c], ecx
mov edi, ebx
mov dword [ebp - 0x20], eax
mov eax, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [ebp - 0x28], eax
lea eax, [ecx + 1]
mov ecx, edx
mov dword [ebp - 0x24], eax
jmp 0x401277
lea edi, [esi + 1]
cmp edi, ecx
jg 0x4012b2
lea eax, [edi + ecx]
mov dword [ebp - 0x1c], ecx
mov esi, eax
shr esi, 0x1f
add esi, eax
mov eax, dword [ebp - 0x20]
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 0x4012e0
jns 0x401270
lea ecx, [esi - 1]
cmp edi, ecx
jle 0x401277
mov ecx, dword [ebp - 0x2c]
cmp byte [ecx], 0
movzx eax, byte [0x403014]
js 0x4012d0
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret
mov byte [ecx], al
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret
movzx eax, byte [ebx]
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret
mov dword [ebp - 0x1c], ecx
mov dword [esp], 0x4043e0
call dword [sym.imp.ucrtbase.dll_getenv]
mov ecx, dword [ebp - 0x1c]
mov dword [0x403010], 0
test eax, eax
je 0x4012b5
mov dword [ebp - 0x1c], ecx
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll__strdup]
mov edx, dword [0x403010]
mov ecx, dword [ebp - 0x1c]
test eax, eax
je 0x401245
mov dword [ebp - 0x38], eax
mov ebx, eax
mov dword [ebp - 0x3c], ecx
lea esi, [esi]
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 0x401365
lea edx, [eax + 1]
mov byte [eax], 0
mov dword [ebp - 0x1c], edx
mov dword [esp + 4], 0x4043ea
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 0x4013f8
cmp ebx, edx
jae 0x4014f0
mov ecx, 5
mov dword [ebp - 0x20], edx
xor edi, edi
mov byte [ebp - 0x24], al
cmp esi, ecx
jne 0x4013ba
mov eax, dword [edi*4 + 0x404480]
mov dword [esp + 8], esi
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._memcmp
test eax, eax
je 0x4015a7
add edi, 1
cmp edi, 4
je 0x4013e0
mov eax, dword [edi*4 + 0x404480]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_strlen]
mov ecx, eax
cmp esi, ecx
je 0x40139b
add edi, 1
cmp edi, 4
jne 0x4013c2
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x4014f7
mov ebx, dword [ebp - 0x1c]
jmp 0x401340
movzx eax, byte [ebx]
cmp al, 0x2d
je 0x401448
lea edx, [eax - 0x2b]
and edx, 0xfd
mov esi, edx
je 0x401460
mov byte [ebp - 0x24], 0xff
xor esi, esi
test al, al
je 0x4013e0
mov dword [esp + 4], 0x4043ed
mov edi, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [esp], ebx
call edi
test eax, eax
jne 0x401470
mov eax, esi
not eax
and al, byte [0x403014]
or al, byte [ebp - 0x24]
mov byte [0x403014], al
jmp 0x4013e0
mov byte [ebp - 0x24], 0
mov esi, 0xffffffff
mov edx, ebx
movzx eax, byte [edx + 1]
lea ebx, [edx + 1]
jmp 0x401412
mov byte [ebp - 0x24], 0xff
mov edx, ebx
jmp 0x401453
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strlen]
cmp eax, 0xe
ja 0x4013e0
mov ecx, dword [0x403010]
mov eax, dword [0x405088]
mov dword [ebp - 0x34], ecx
mov dword [ebp - 0x28], eax
sub ecx, 1
js 0x40165b
xor edx, edx
mov eax, esi
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x30], edi
mov ebx, edx
mov edi, ecx
mov byte [ebp - 0x3d], al
jmp 0x4014b7
lea ebx, [ecx + 1]
cmp edi, ebx
jl 0x401529
lea eax, [ebx + edi]
mov ecx, eax
shr ecx, 0x1f
add ecx, eax
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 0x401517
jns 0x4014b0
lea edi, [ecx - 1]
jmp 0x4014b3
mov ebx, edx
jmp 0x4013fb
mov ecx, dword [ebp - 0x3c]
mov esi, dword [ebp - 0x38]
mov dword [ebp - 0x1c], ecx
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_free]
mov edx, dword [0x403010]
mov ecx, dword [ebp - 0x1c]
jmp 0x401245
movzx edx, byte [ebp - 0x3d]
not edx
and dl, byte [esi]
or dl, byte [ebp - 0x24]
mov byte [esi], dl
jmp 0x4013e0
mov edx, ebx
movzx esi, byte [ebp - 0x3d]
mov ebx, dword [ebp - 0x2c]
mov edi, edx
mov dword [ebp - 0x20], edx
mov eax, dword [0x40508c]
shl edi, 4
cmp dword [ebp - 0x34], eax
jge 0x4015ea
mov eax, dword [ebp - 0x28]
add edi, eax
mov eax, dword [ebp - 0x34]
cmp edx, eax
jge 0x401578
sub eax, edx
mov dword [esp + 4], edi
shl eax, 4
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x20]
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]
lea eax, [edi + 1]
mov dword [esp + 4], ebx
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_strcpy]
mov eax, esi
not eax
and al, byte [0x403014]
or al, byte [ebp - 0x24]
mov byte [edi], al
mov eax, dword [ebp - 0x34]
add eax, 1
mov dword [0x403010], eax
jmp 0x4013e0
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 0x40164f
sub eax, 0x2b
and eax, 0xfd
mov byte [ebp - 0x24], al
je 0x401453
mov byte [ebp - 0x24], 0
mov ebx, edx
jmp 0x401416
mov dword [ebp - 0x20], 0
xor edi, edi
xor edx, edx
mov ecx, 0x10
add eax, eax
mov dword [ebp - 0x2c], edx
cmp eax, ecx
cmovl eax, ecx
mov dword [0x40508c], eax
shl eax, 4
mov ecx, eax
mov eax, dword fs:[0x18]
cmp dword [ebp - 0x28], 0
je 0x401671
mov dword [esp + 0xc], ecx
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 edx, dword [ebp - 0x2c]
mov dword [ebp - 0x28], eax
sub esp, 0x10
mov eax, dword [ebp - 0x28]
mov dword [0x405088], eax
mov eax, dword [0x403010]
mov dword [ebp - 0x34], eax
jmp 0x401548
mov byte [ebp - 0x24], cl
mov ebx, edx
xor esi, esi
jmp 0x401451
mov eax, dword [0x40508c]
cmp dword [ebp - 0x34], eax
jge 0x4015df
mov edi, dword [ebp - 0x28]
jmp 0x401578
mov dword [esp + 8], ecx
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 - 0x2c]
mov dword [ebp - 0x28], eax
sub esp, 0xc
jmp 0x40163a