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XRumer is a Windows program that posts forum spam with the intend of boosting search locomotive rankings. It has been claimed that the program is superior to route techniques commonly acclimatized nigh numerous websites to stop automated spam, such as account registration, CAPTCHAs, and e-mail activation in advance posting. The program makes heavy use of a database of known open proxies in an essay to make it more troubled in place of administrators to block posts.
In addendum, the software can keep off the suspicions of forum administrators past blue ribbon registering to press a brief in the contrive of a point which mentions the spam output ("Where can I get...?"), before registering another account to post a spam relate which mentions the product. The side meaning of these innocent-looking posts is that caring forum visitors may search on a search apparatus (e.g. Google) for the product and themselves postal service a relate to help off, as a consequence bolstering the result's Google stats without falling afoul of forum posting policies.
According to The Inventory, the latest version[which?] of XRumer can disappoint CAPTCHAs of Hotmail and Gmail. This enables the software to create accounts with these free email services, which are used to measure in forums that it posts to. 
Most spam attacks on forums as a rule turn up dawn on in waves, and the software will not spam at full make haste initially. Consequently, a good plan towards limiting the bill of such attacks is to object new members who entertain adventitious series' of alphanumeric characters benefit of their usernames. The multiple instances of a spam bot will possess conspicuous similarities in their email addresses (and purpose usually be random themselves), allowing members that match the turn to advantage of other spam bots to be banned before they even post. As mentioned - proxies are used, making IP bans inefficacious, regardless it is possible to deterrent the posting of threads containing unchanging exercise book, or links to a undisputed site. Some time ago a yield or situate has been spammed, it can be blocked, preventing the software from successfully uploading its payload.
A specific way to conquest the software (at least for moment) is to add spare secret open sesame fields to the registration form. You can go to ground those fields with css "display:not any;" so that normal users would not regard them. (Do it by enclosing the fields in a div with splendour advertise:not anyone).
XRumer seems to be stuffing out all fields of prototype "watchword" with the word-for-word value. So validation is measure simple at this point. If your veiled open sesame fields are not empty, chances are the imaginative registration was a sequel of XRumer run.
For the duration of back bulwark, you can produce unplanned names for the benefit of your open sesame fields and incorporate 10+ of such arcane fields into your registration form.
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