xperts
May 5th, 2001, 09:08
Hello .. i'm a new beginner in cracking software .. first software that i have crack is mirc.exe .... but when i crack this exe file ... about for author was disable .. how can i enable it against ??
View Full Version : I'm a new beginner ... How to crack mirc.exe .. step by step .. !! And make it my own file
sinn0r
May 5th, 2001, 11:21
hmm, please explain it further 
ThrawN
May 6th, 2001, 22:19
Yes i remember some years ago reversing a version of mirc and the about box disapeared. I cant remember exactly what happened but i know that it was because I didnt do a good aproach. Try something difirent.. I believe you can patch the Bad boy message but shortly above it theres a call to the algo. Its the call that i altered to get it to stay registered.
Sorry I cant help you more, its been some long time since i looked at mirc.
Sorry I cant help you more, its been some long time since i looked at mirc.
Storm
May 8th, 2001, 21:44
I don`t have much time so this will be brief.
Don`t know what wersion of mirc you have (I have v5.8) but this may be helpfull to you...
Click Register and in Sice put "bpx messageboxa".
Enter any Name/Serial then click Register.
When Sice pops F12 to enter mirc32 code.
Look up until you see TEST EAX, EAX
JZ 0049855A (my vers. o mIRC)
Clear all breakpoints and put a breakpoint on the call before
TEST EAX, EAX then press F5.
Enter again Name/Serial and then press register.
SIce will break at the call.
Step into the call (F8) and then F10 until next call.
Step into that call too and then F10 until you find CMP EAX,05
Then in Sice type "a" then press Enter.
Type in "MOV EAX ,01" so that the call returns 01 in EAX (what we want)
Then nop the next two bits (e.g. type NOP two times) to nop the XOR EAX, EAX ( this instruction will make EAX = 0 (we don`t want that to happen).
Then F5 and you`ll see reg successfull message and then the program writes Name/Serial to registry.
The thing is that when you restart the program it will check at startup to see if registration is valid but if you patch the code as showed above than you don`t have to worry about that anymore.
Now patch the executable with HView (or similar).
If any questions email me.
Storm.
Don`t know what wersion of mirc you have (I have v5.8) but this may be helpfull to you...
Click Register and in Sice put "bpx messageboxa".
Enter any Name/Serial then click Register.
When Sice pops F12 to enter mirc32 code.
Look up until you see TEST EAX, EAX
JZ 0049855A (my vers. o mIRC)
Clear all breakpoints and put a breakpoint on the call before
TEST EAX, EAX then press F5.
Enter again Name/Serial and then press register.
SIce will break at the call.
Step into the call (F8) and then F10 until next call.
Step into that call too and then F10 until you find CMP EAX,05
Then in Sice type "a" then press Enter.
Type in "MOV EAX ,01" so that the call returns 01 in EAX (what we want)
Then nop the next two bits (e.g. type NOP two times) to nop the XOR EAX, EAX ( this instruction will make EAX = 0 (we don`t want that to happen).
Then F5 and you`ll see reg successfull message and then the program writes Name/Serial to registry.
The thing is that when you restart the program it will check at startup to see if registration is valid but if you patch the code as showed above than you don`t have to worry about that anymore.
Now patch the executable with HView (or similar).
If any questions email me.
Storm.
xperts
May 9th, 2001, 01:01
Hello .. how to use cracker Jack .. i've download it but i can use it .. b'coz it saids DPMI Not supported .. so .. what can i do ?
xperts
xperts
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