Best Way to Image a Protected CD?

[LaBBa]

well it's a data CD it's an application and i don't see any loader it's build in the exe so it's not packed or somthing like that ..

this application comes with 2 CDs :
CD1- is installation. (no protection)
CD2- data CD of all DataBase of application - protected

in the protected CD there are 3 files with a XXX extension in root:
file00.xxx - 563,438 KB
file08.xxx - 850 KB
file09.xxx - 3KB

there is 2 more folders

MA folder files:
file08.MA - 1,054 KB
file09.MA - 36 KB

YZ folder files:
file08.yz - 361KB
file09.yz - 11KB


from what i have saw when i try to crack this when i'm running with an image of the CD i get an error from the application that this is not the original CD . it check first to see if there is a debugger present and then it check a black list of virtual dirves to see if it run from a virtual CD after that it try to load the CD ...
I have patch the CD check with error message "not original CD" so it will continue to load from the image CD but application crashes when it try to run.

I don't understand (yet) why it fails to run from image.
I guess there is a signed key in the CD and it try to read and decrypt with that key the files from the CD so i need to digg deeper.
I just don't understand why i can't copy in the CD image the signature like the code of the original CD does ..

I have maked all possible images with Alcohol 120% at speed x1 and still it fails.

Regards,
LaBBa

[taos]

Originally Posted by LaBBa

well it's a data CD it's an application
I have maked all possible images with Alcohol 120% at speed x1 and still it fails.

Ok, You must first make a copy with another copy prog or with alcohol and setting on securerom ,etc... emulation. Mount the iso and compare the iso mounted with original CD (there're lot of programs to do it). You must analyze 2 things, a) There is not error copying original CD (can be fake sectors like I said in last post and then you must change your procedure) b) Are exactly ISO and original CD. Then mount ISO and debug. Before to work debugging ensure steps a) and b).
You can use gamejack better than alcohol, play with the settings in both progs.

Byes

[LaBBa]

Mount the iso and compare the iso mounted with original CD (there're lot of programs to do it).

welll if there was one i think that every app of burning would have done it for you and then fix the image .. i don't know any application that can tell me this info

Then mount ISO and debug

if the iso is a perfect image and fixed so why i need to debug it ? it should run like the original... (meaning : won't ask for original CD)

[taos]

That is not right If you have a LiteOn drive you can use a very low level verify app. There're specialized apps to check CD integrity with its own low level driver. Some drives let you read hidden tracks. It's better to compare (generate a checksum, etc...) using Nero Disk Speed than putting verify on setting in your burning soft.
http://www.cdfreaks.com/software/Diagnostic_-Utility/

Originally Posted by LaBBa

welll if there was one i think that every app of burning would have done it for you and then fix the image .. i don't know any application that can tell me this info

Then mount ISO and debug

if the iso is a perfect image and fixed so why i need to debug it ? it should run like the original... (meaning : won't ask for original CD)

If the iso is perfect then your app reads CD manufacturer ID and other fields. Then you must debug CD API.

[LaBBa]

Originally Posted by taos

If the iso is perfect then your app reads CD manufacturer ID and other fields. Then you must debug CD API.

ok ...i didn't thought about this.....
i will look closer about this .. what do you recommend api to hook and trace?
DevicIoControl?

but still
If the Image is perfect, when app reads CD manufacturer ID it should emulate also the manufacturer ID no ?

[taos]

Originally Posted by LaBBa

ok ...i didn't thought about this.....
i will look closer about this .. what do you recommend api to hook and trace?
DevicIoControl?

but still
If the Image is perfect, when app reads CD manufacturer ID it should emulate also the manufacturer ID no ?

DeviceIOcontrol & Createfilea. Like I said in a old post, use CDR Identifier or Nero's CD-DVD Speed/Disk Info and compare manufacturer ID with original and emulation CD. Another reason is that your app checks emulation soft and then refuse to run.
Can you upload to rapid or mega to take a view?

[LaBBa]

thanks for trying and help me
i'm not home and will return only next week so i will do it when i return and PM you

regards,
LaBBa