Patch Lumion 11 -

call LumionLicense::ValidateLicense test al, al jz license_invalid Change the function prologue or the return value.

Hex bytes: B0 01 5D C3 instead of 32 C0 5D C3 (where applicable). patch lumion 11

Pattern: 48 8B 4C 24 08 48 85 C9 74 ?? E8 ?? ?? ?? ?? 85 C0 This pattern leads to a function named IsLicenseValid() in pseudocode. The simplest patch (used in many public “cracks”) is to force the license validation function to always return true (1) and skip network activation. Version 11 introduced enhanced licensing security

; At SendActivationRequest entry mov eax, 1 ; return success ret 16 ; clean stack (adjust according to calling convention) Overwrite the first 5 bytes with B8 01 00 00 00 C3 . However, stack cleanup requires matching the original function's calling convention ( __cdecl or __fastcall ). the following protection layers were identified:

This replaces call ... test eax, eax jz with mov al,1 and NOP sled.

mov rax, 1 ret The function ValidateHWID compares the stored hardware ID against current hardware. To avoid license invalidation after hardware changes (or to work with pre-generated license files), patch:

Lumion is a real-time 3D rendering software heavily used in architecture. Version 11 introduced enhanced licensing security, including server-side key validation and local obfuscation. Before any patching, the following protection layers were identified: