Function at 0x420820
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 0x420b3d
shl eax, 4
add eax, dword [ecx + 8]
mov ebp, eax
cmp byte [ebp], 0
mov dword [esp + 0x14], ebp
je 0x420b3d
mov edi, dword [ebp + 4]
cmp word [edi], 0
jne 0x420867
mov eax, dword [ebp + 8]
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
mov ebx, dword [ebp + 8]
xor esi, esi
test ebx, ebx
je 0x420977
mov eax, dword [ebx]
test eax, eax
je 0x420977
mov edi, edi
cmp edi, eax
jae 0x42089f
cmp esi, 0xfd
jae 0x4208a7
mov ax, word [edi]
mov word [esi*2 + 0x4c8648], ax
add edi, 2
inc esi
cmp edi, dword [ebx]
jb 0x420884
cmp esi, 0xfd
jb 0x4208af
cmp edi, dword [ebx]
jb 0x4209c5
mov ebp, dword [ebx + 4]
movzx eax, byte [ebp + 0x17]
cmp eax, 3
ja case.default.0x4208bb
jmp dword [eax*4 + 0x420b4c]
mov eax, ebp
call fcn.00401160
cmp dword [0x4c50d4], 0
jne 0x420904
cmp dword [ebp + 0xc], 0
jne 0x420904
mov edx, dword [ebp + 0x18]
push 0
lea ecx, [esp + 0x24]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableW]
test eax, eax
je 0x4208fa
mov dword [0x4c85a8], 0
dec eax
jmp 0x42093a
mov dword [0x4c85a8], ebp
xor eax, eax
jmp 0x42093a
mov eax, dword [ebp + 0xc]
shr eax, 1
jmp 0x42093a
mov ecx, dword [ebp + 0xc]
push 0
call fcn.004762c0
jmp 0x42093a
xor ecx, ecx
call fcn.00403b10
cmp eax, 0xffffffff
jne 0x42093a
xor eax, eax
jmp 0x42093a
mov eax, dword [ebp + 0x18]
mov ecx, dword [ebp + 0x10]
push eax
push 0
call ecx
add esp, 8
mov edx, 0xfd
sub edx, esi
cmp eax, edx
ja 0x4209e1
mov ecx, dword [ebx + 4]
lea eax, [esi*2 + 0x4c8648]
push eax
call fcn.004762c0
movzx ecx, word [ebx + 0xa]
mov ebp, dword [esp + 0x14]
add ebx, 0xc
add esi, eax
mov eax, dword [ebx]
lea edi, [edi + ecx*2]
mov ecx, dword [esp + 0x1c]
test eax, eax
jne 0x420880
movzx eax, word [edi]
xor edx, edx
cmp ax, dx
je 0x42099d
cmp esi, 0xfd
jae 0x4209a5
add edi, 2
mov word [esi*2 + 0x4c8648], ax
movzx eax, word [edi]
inc esi
cmp ax, dx
jne 0x420981
cmp esi, 0xfd
jb 0x420a05
cmp word [edi], dx
je 0x420a05
mov eax, dword [ebp + 4]
push eax
push edx
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.0042fab0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
mov edx, dword [ebp + 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.0042fab0
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.0042fab0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
cmp esi, edx
jne 0x420a24
mov eax, dword [ebp + 4]
push eax
push edx
push str.This_dynamic_variable_is_blank._If_this_variable_was_not_intended_to_be_dynamic__remove_the___symbols_from_it.
call fcn.0042fab0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
xor ecx, ecx
test byte [0x4c8640], 1
mov word [esi*2 + 0x4c8648], cx
jne 0x420a68
or dword [0x4c8640], 1
mov dword [0x4c862c], 0x4c7078
mov dword [0x4c8630], edx
mov dword [0x4c863c], 0x4c8648
mov dword [0x4c8638], 0x1000400
mov dword [0x4c8634], edx
cmp byte [esp + 0x24], cl
jne 0x420ac1
push 1
push 0x4c8648
call fcn.00476970
add esp, 8
test eax, eax
je 0x420b3d
push 0
push 3
push 0
push esi
push 0x4c8648
mov ecx, 0x4c70d0
call fcn.00420bc0
test eax, eax
jne 0x420b3f
mov eax, 0x4c8648
call fcn.00421360
cmp eax, 1
jne 0x420ac1
mov eax, 0x4c8624
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc
cmp word [0x4c8648], 0
je 0x420b3d
lea edx, [esp + 0x24]
push edx
push 3
lea eax, [esp + 0x28]
push eax
push esi
push 0x4c8648
mov ecx, 0x4c70d0
call fcn.00420bc0
test eax, eax
jne 0x420b10
mov edx, dword [esp + 0x20]
xor ecx, ecx
cmp byte [esp + 0x24], cl
setne cl
inc ecx
push ecx
push edx
push 0x4c70d0
mov ecx, esi
mov edx, 0x4c8648
call fcn.00420e60
test eax, eax
je 0x420b3d
cmp byte [ebp], 2
jne 0x420b3f
mov cl, byte [eax + 0x17]
test cl, cl
jne 0x420b23
mov ecx, dword [eax + 0xc]
mov cl, byte [ecx + 0x17]
cmp cl, 2
jbe 0x420b3f
mov ecx, dword [esp + 0x1c]
push 0x4c8648
push 0
push str.Not_allowed_as_an_output_variable.
call fcn.0042fab0
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret 0xc