Function at 0x4089e0
Capabilities:
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x38
mov edx, dword [0x40a020]
cmp edx, 0xffffffff
je 0x408a90
sub edx, 1
js 0x408a59
mov eax, dword [0x4100a8]
xor edi, edi
mov ecx, edi
mov edi, edx
mov dword [ebp - 0x14], eax
mov eax, dword [ebp + 8]
add eax, 1
mov dword [ebp - 0x18], eax
mov eax, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [ebp - 0x1c], eax
jmp 0x408a27
lea ecx, [ebx + 1]
cmp ecx, edi
jg 0x408a59
lea ebx, [edi + ecx]
mov dword [ebp - 0x10], ecx
sar ebx, 1
mov esi, ebx
shl esi, 4
add esi, dword [ebp - 0x14]
lea eax, [esi + 1]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x18]
mov dword [esp], eax
mov eax, dword [ebp - 0x1c]
call eax
mov ecx, dword [ebp - 0x10]
test eax, eax
je 0x408a80
jns 0x408a20
lea edi, [ebx - 1]
cmp ecx, edi
jle 0x408a27
mov edx, dword [ebp + 8]
movzx eax, byte [0x40a024]
cmp byte [edx], 0
js 0x408a70
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 [esi]
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov dword [esp], 0x40ddf4
call dword [sym.imp.ucrtbase.dll_getenv]
mov dword [0x40a020], 0
test eax, eax
je 0x408a59
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll__strdup]
mov dword [ebp - 0x2c], eax
test eax, eax
je 0x408be6
mov esi, dword [ebp - 0x2c]
lea esi, [esi]
mov dword [esp + 4], 0x2c
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_strchr]
mov dword [ebp - 0x10], 0
test eax, eax
je 0x408aed
lea edx, [eax + 1]
mov byte [eax], 0
mov dword [ebp - 0x10], edx
mov dword [esp + 4], 0x40ddfe
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_strcspn]
lea edx, [esi + eax]
mov ebx, eax
movzx edi, byte [edx]
mov eax, edi
test al, al
je 0x408b80
cmp edx, esi
jbe 0x408c10
mov dword [ebp - 0x14], edx
xor ecx, ecx
mov edx, edi
mov eax, 5
mov byte [ebp - 0x18], dl
mov edi, ecx
cmp ebx, eax
jne 0x408b48
mov eax, dword [edi*4 + 0x40de9c]
mov dword [esp + 8], ebx
mov dword [esp], esi
mov dword [esp + 4], eax
call sym._memcmp
test eax, eax
je 0x408d24
add edi, 1
cmp edi, 4
je 0x408b70
mov eax, dword [edi*4 + 0x40de9c]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_strlen]
cmp ebx, eax
je 0x408b29
add edi, 1
cmp edi, 4
jne 0x408b50
lea esi, [esi]
mov eax, dword [ebp - 0x10]
test eax, eax
je 0x408bda
mov esi, dword [ebp - 0x10]
jmp 0x408ac8
movzx edi, byte [esi]
mov eax, edi
cmp al, 0x2d
je 0x408bf8
lea eax, [edi - 0x2b]
and eax, 0xfd
mov byte [ebp - 0x14], al
je 0x408ca0
mov byte [ebp - 0x1c], 0xff
mov byte [ebp - 0x14], 0
mov eax, edi
test al, al
je 0x408b70
mov dword [esp + 4], 0x40de01
mov edi, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [esp], esi
call edi
test eax, eax
jne 0x408c20
movzx eax, byte [ebp - 0x14]
not eax
and al, byte [0x40a024]
or al, byte [ebp - 0x1c]
mov byte [0x40a024], al
mov eax, dword [ebp - 0x10]
test eax, eax
jne 0x408b77
mov eax, dword [ebp - 0x2c]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_free]
mov edx, dword [0x40a020]
jmp 0x4089f8
mov byte [ebp - 0x14], 0xff
mov byte [ebp - 0x1c], 0
mov edx, esi
movzx edi, byte [edx + 1]
lea esi, [edx + 1]
jmp 0x408ba2
mov esi, edx
jmp 0x408b83
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_strlen]
mov dword [ebp - 0x34], eax
cmp eax, 0xe
ja 0x408b70
mov eax, dword [0x40a020]
mov edx, dword [0x4100a8]
mov dword [ebp - 0x30], eax
mov dword [ebp - 0x20], edx
sub eax, 1
js 0x408e37
xor ecx, ecx
mov dword [ebp - 0x24], esi
mov dword [ebp - 0x28], edi
mov esi, ecx
mov edi, eax
jmp 0x408c67
lea esi, [edx + 1]
cmp esi, edi
jg 0x408cbd
lea edx, [edi + esi]
sar edx, 1
mov ebx, edx
mov dword [ebp - 0x18], edx
shl ebx, 4
add ebx, dword [ebp - 0x20]
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 edx, dword [ebp - 0x18]
test eax, eax
je 0x408cab
jns 0x408c60
lea edi, [edx - 1]
jmp 0x408c63
mov byte [ebp - 0x1c], 0xff
mov edx, esi
jmp 0x408c02
movzx eax, byte [ebp - 0x14]
not eax
and al, byte [ebx]
or al, byte [ebp - 0x1c]
mov byte [ebx], al
jmp 0x408b70
mov ecx, esi
mov esi, dword [ebp - 0x24]
mov edi, ecx
mov ebx, ecx
shl edi, 4
mov eax, dword [0x4100ac]
cmp dword [ebp - 0x30], eax
jge 0x408d9a
add edi, dword [ebp - 0x20]
cmp ecx, dword [ebp - 0x30]
jl 0x408e02
mov eax, dword [ebp - 0x34]
lea ecx, [edi + 1]
add eax, 1
cmp eax, 4
jae 0x408d60
test eax, eax
je 0x408d03
movzx edx, byte [esi]
mov byte [edi + 1], dl
test al, 2
jne 0x408e68
movzx eax, byte [ebp - 0x14]
not eax
and al, byte [0x40a024]
or al, byte [ebp - 0x1c]
mov byte [edi], al
mov eax, dword [ebp - 0x30]
add eax, 1
mov dword [0x40a020], eax
jmp 0x408b70
mov ecx, edi
movzx edi, byte [ebp - 0x18]
mov eax, 1
mov edx, dword [ebp - 0x14]
shl eax, cl
mov ecx, edi
mov byte [ebp - 0x14], al
cmp cl, 0x2b
je 0x408e29
sub edi, 0x2b
mov eax, edi
and eax, 0xfd
mov byte [ebp - 0x1c], al
je 0x408c02
mov byte [ebp - 0x1c], 0
mov esi, edx
jmp 0x408ba8
mov edx, dword [esi]
mov ebx, esi
mov dword [edi + 1], edx
mov edx, dword [esi + eax - 4]
mov dword [ecx + eax - 4], edx
lea edx, [edi + 5]
and edx, 0xfffffffc
sub ecx, edx
add eax, ecx
sub ebx, ecx
and eax, 0xfffffffc
cmp eax, 4
jb 0x408d03
and eax, 0xfffffffc
xor ecx, ecx
mov esi, dword [ebx + ecx]
mov dword [edx + ecx], esi
add ecx, 4
cmp ecx, eax
jb 0x408d88
jmp 0x408d03
mov edx, 0x10
add eax, eax
mov dword [ebp - 0x18], ecx
cmp eax, edx
cmovl eax, edx
mov edx, dword fs:[0x18]
mov dword [0x4100ac], eax
shl eax, 4
cmp dword [ebp - 0x20], 0
je 0x408e42
mov dword [esp + 0xc], eax
mov eax, dword [ebp - 0x20]
mov dword [esp + 4], 0
mov dword [esp + 8], eax
mov eax, dword [edx + 0x30]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
call dword [sym.imp.kernel32.dll_HeapReAlloc]
mov ecx, dword [ebp - 0x18]
mov dword [ebp - 0x20], eax
sub esp, 0x10
mov eax, dword [ebp - 0x20]
mov dword [0x4100a8], eax
mov eax, dword [0x40a020]
mov dword [ebp - 0x30], eax
jmp 0x408cd7
mov eax, dword [ebp - 0x30]
mov dword [esp + 4], edi
sub eax, ecx
shl eax, 4
mov dword [esp + 8], eax
lea eax, [ebx + 1]
shl eax, 4
add eax, dword [ebp - 0x20]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_memmove]
jmp 0x408ce3
mov byte [ebp - 0x1c], al
mov esi, edx
mov byte [ebp - 0x14], 0
jmp 0x408c00
xor edi, edi
xor ebx, ebx
xor ecx, ecx
jmp 0x408cc9
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov eax, dword [edx + 0x30]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
call dword [sym.imp.kernel32.dll_HeapAlloc]
mov ecx, dword [ebp - 0x18]
mov dword [ebp - 0x20], eax
sub esp, 0xc
jmp 0x408ded
movzx edx, word [esi + eax - 2]
mov word [ecx + eax - 2], dx
jmp 0x408d03