Function at 0x420870
Capabilities:
Query environment variable

Disassembly:
mov ecx, dword [esp + 4]
movzx edx, byte [ecx + 1]
mov eax, dword [esp + 8]
sub esp, 8
push ebx
push ebp
push esi
push edi
cmp eax, edx
jge 0x420b5a
shl eax, 4
add eax, dword [ecx + 8]
mov edi, eax
cmp byte [edi], 0
mov dword [esp + 0x14], edi
je 0x420b5a
mov ebp, dword [edi + 4]
cmp byte [ebp], 0
jne 0x4208b6
mov eax, dword [edi + 8]
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
mov ebx, dword [edi + 8]
xor esi, esi
test ebx, ebx
je 0x4209ba
mov eax, dword [ebx]
test eax, eax
je 0x4209ba
lea ecx, [ecx]
cmp ebp, eax
jae 0x4208eb
cmp esi, 0xfd
jae 0x4208f3
mov al, byte [ebp]
mov byte [esi + 0x4ad3c0], al
inc ebp
inc esi
cmp ebp, dword [ebx]
jb 0x4208d4
cmp esi, 0xfd
jb 0x4208fb
cmp ebp, dword [ebx]
jb 0x420a07
mov edi, dword [ebx + 4]
movzx eax, byte [edi + 0x17]
cmp eax, 3
ja case.default.0x420907
jmp dword [eax*4 + 0x420b68]
mov eax, edi
call fcn.00401150
cmp dword [0x4aa394], 0
jne 0x420950
cmp dword [edi + 0xc], 0
jne 0x420950
mov edx, dword [edi + 0x18]
push 0
lea ecx, [esp + 0x24]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
test eax, eax
je 0x420946
mov dword [0x4ad2ec], 0
dec eax
jmp 0x42097f
mov dword [0x4ad2ec], edi
xor eax, eax
jmp 0x42097f
mov eax, dword [edi + 0xc]
jmp 0x42097f
mov ecx, dword [edi + 0xc]
push 0
call fcn.00475090
jmp 0x42097f
xor ecx, ecx
call fcn.004040c0
cmp eax, 0xffffffff
jne 0x42097f
xor eax, eax
jmp 0x42097f
mov eax, dword [edi + 0x18]
mov ecx, dword [edi + 0x10]
push eax
push 0
call ecx
add esp, 8
mov edx, 0xfd
sub edx, esi
cmp eax, edx
ja 0x420a23
mov ecx, dword [ebx + 4]
lea eax, [esi + 0x4ad3c0]
push eax
call fcn.00475090
movzx ecx, word [ebx + 0xa]
mov edi, dword [esp + 0x14]
add ebx, 0xc
add esi, eax
mov eax, dword [ebx]
add ebp, ecx
mov ecx, dword [esp + 0x1c]
test eax, eax
jne 0x4208d0
mov al, byte [ebp]
test al, al
je 0x4209d8
cmp esi, 0xfd
jae 0x4209e0
inc ebp
mov byte [esi + 0x4ad3c0], al
mov al, byte [ebp]
inc esi
test al, al
jne 0x4209c1
cmp esi, 0xfd
jb 0x4209e6
cmp byte [ebp], 0
jne 0x420a07
xor eax, eax
cmp esi, eax
jne 0x420a47
mov edx, dword [edi + 4]
push edx
push eax
push str.This_dynamic_variable_is_blank._If_this_variable_was_not_intended_to_be_dynamic__remove_the___symbols_from_it.
call fcn.0042d4a0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
mov edx, dword [edi + 4]
push edx
push 0
push str.This_dynamically_built_variable_name_is_too_long.__If_this_variable_was_not_intended_to_be_dynamic__remove_the___symbols_from_it.
call fcn.0042d4a0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
mov eax, dword [esp + 0x14]
mov ecx, dword [eax + 4]
push ecx
mov ecx, dword [esp + 0x20]
push 0
push str.This_dynamically_built_variable_name_is_too_long.__If_this_variable_was_not_intended_to_be_dynamic__remove_the___symbols_from_it.
call fcn.0042d4a0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
test byte [0x4ad3b8], 1
mov byte [esi + 0x4ad3c0], al
jne 0x420a85
or dword [0x4ad3b8], 1
mov dword [0x4ad3a4], 0x4abb35
mov dword [0x4ad3a8], eax
mov dword [0x4ad3b4], 0x4ad3c0
mov dword [0x4ad3b0], 0x1000400
mov dword [0x4ad3ac], eax
cmp byte [esp + 0x24], al
jne 0x420ae0
push 1
push 0x4ad3c0
call fcn.00475720
add esp, 8
test eax, eax
je 0x420b5a
push 0
push 3
push 0
push esi
push 0x4ad3c0
mov ecx, 0x4ac290
call fcn.00420be0
test eax, eax
jne 0x420b5c
push 0x4ad3c0
call fcn.00421360
add esp, 4
test eax, eax
jne 0x420ae0
mov eax, 0x4ad39c
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
cmp byte [0x4ad3c0], 0
je 0x420b5a
lea eax, [esp + 0x24]
push eax
push 3
lea ecx, [esp + 0x28]
push ecx
push esi
push 0x4ad3c0
mov ecx, 0x4ac290
call fcn.00420be0
test eax, eax
jne 0x420b2e
mov eax, dword [esp + 0x20]
xor edx, edx
cmp byte [esp + 0x24], dl
mov ecx, esi
setne dl
inc edx
push edx
push eax
push 0x4ac290
mov edx, 0x4ad3c0
call fcn.00420e70
test eax, eax
je 0x420b5a
cmp byte [edi], 2
jne 0x420b5c
mov cl, byte [eax + 0x17]
test cl, cl
jne 0x420b40
mov ecx, dword [eax + 0xc]
mov cl, byte [ecx + 0x17]
cmp cl, 2
jbe 0x420b5c
mov ecx, dword [esp + 0x1c]
push 0x4ad3c0
push 0
push str.Not_allowed_as_an_output_variable.
call fcn.0042d4a0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc