[icq-devel] ICQ UIN Unregister backdoor



Markus Kern markus-kern at gmx.net
Sun Jun 8 11:15:41 CEST 2003


Maxim Y. Melnik <maxim at ultimate-company.com> wrote:

> Yo! =)

> ICQ messenger easter egg

> As you know, when you use icq messenger, you are identified by unique number called "uin".
> There is no official way to unregister uin at this time.

> But some uknown Icq admins made a "backdoor". If you put into your details
> email: unregister at vke.ru your uin will disappear from database and you won't be able
> to login to it anymore.

> It will work with any usernames in domain @vke.ru

> Found by member of iFud Security Group VKE (aka MLU)

You should give credit where it's due.
Although I don't know who discovered it first it has been public
knowledge for quite some time.

Besides unregister at vke.ru it also works with unsubscribe at vke.ru
and deleteuin at vke.ru.

regards,
Markus




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