Ïîêà àêòèâíîñòü äàííûõ ÷åðâåé îãðàíè÷åíà çàðàæåíèåì ìàêñèìàëüíîãî êîëè÷åñòâà ïîëüçîâàòåëåé ñîöèàëüíûõ ñåòåé Facebook è MySpace. Îäíàêî ýêñïåðòû "Ëàáîðàòîðèè Êàñïåðñêîãî" ïðåäóïðåæäàþò, ÷òî âèðóñîïèñàòåëè ïðåäóñìîòðåëè âîçìîæíîñòü íåîãðàíè÷åííîãî ðàñøèðåíèÿ ôóíêöèîíàëà ýòèõ ÷åðâåé çà ñ÷¸ò çàãðóçêè äîïîëíèòåëüíûõ âðåäîíîñíûõ ìîäóëåé èç Ñåòè. Òàê ÷òî âïîëíå âåðîÿòíî, ÷òî ïîñëå ïåðâîíà÷àëüíîãî ýòàïà çàðàæåíèÿ êàê ìîæíî áîëüøåãî êîëè÷åñòâà ïîëüçîâàòåëåé ÷åðâè Net-Worm.Win32.Koobface.a è Net-Worm.Win32.Koobface.b èçìåíÿò ñâîå ïîâåäåíèå è áóäóò âûïîëíÿòü ñîâåðøåííî äðóãèå ôóíêöèè, çàëîæåííûå êèáåðïðåñòóïíèêàìè â äîïîëíèòåëüíûå ìîäóëè.
"Ðàáîòàþò" ÷åðâè òàê: âîéäÿ íà ñàéò MySpace.com, ÷åðâü Net-Worm.Win32.Koobface.a ñîçäàåò ðàçëè÷íûå êîììåíòàðèè ê ïðîôèëÿì "äðóçåé" ïîëüçîâàòåëÿ, ÷åðâü Net-Worm.Win32.Koobface.b, àòàêóþùèé ïîëüçîâàòåëåé Facebook.com, ñîçäàåò ñïàìîâûå ñîîáùåíèÿ è îòïðàâëÿþò åãî "äðóçüÿì" çàðàæåííîãî ïîëüçîâàòåëÿ ÷åðåç ñîáñòâåííûé èíòåðôåéñ ýòîé ñîöèàëüíîé ñåòè. Ñîîáùåíèÿ è êîììåíòàðèè ñîïðîâîæäàþòñÿ òåêñòàìè, òèïà: "Paris Hilton Tosses Dwarf On The Street", "Examiners Caught Downloading Grades From The Internet", "Hello; You must see it!!! LOL. My friend catched you on hidden cam", "Is it really celebrity? Funny Moments and many others".
Ýòè ñîîáùåíèÿ è êîììåíòàðèè ñîäåðæàò ññûëêè íà ñàéò youtube.[...].pl, ïðè ïåðåõîäå ïî êîòîðûì ïðîèñõîäèò ïåðåàäðåñàöèÿ ïîëüçîâàòåëÿ íà ïîääåëüíûé ñàéò youtube.[...].ru. Äàëåå ïî ñòàðîìó ñöåíàðèþ: íà ýòîì ñàéòå ÿêîáû ðàçìåùåí âèäåîðîëèê, äëÿ ïðîñìîòðà êîòîðîãî ïîëüçîâàòåëþ ïðåäëàãàåòñÿ óñòàíîâèòü íîâóþ âåðñèþ Flash Player. Îäíàêî âìåñòî ýòîãî íà êîìïüþòåð çàãðóæàåòñÿ ôàéë codesetup.exe, ñîäåðæàùèé åù¸ îäíîãî ñåòåâîãî ÷åðâÿ. Ïîëüçîâàòåëÿì, ïðèøåäøèì ñ ñàéòà Facebook, óñòàíàâëèâàåòñÿ âåðñèÿ ÷åðâÿ äëÿ ñîöèàëüíîé ñåòè MySpace, à ïîëüçîâàòåëÿì, ïðèøåäøèì ñ ñàéòà MySpace, óñòàíàâëèâàåòñÿ ÷åðâü äëÿ Facebook.
"ß óâåðåí, ÷òî äàííàÿ àòàêà ÿâëÿåòñÿ ëèøü ïðîáíûì êàìíåì, è âèðóñîïèñàòåëè áóäóò òîëüêî óâåëè÷èâàòü èíòåíñèâíîñòü àòàê ïðîòèâ ïîëüçîâàòåëåé ñîöèàëüíûõ ñåòåé", - ñ÷èòàåò âåäóùèé âèðóñíûé àíàëèòèê "Ëàáîðàòîðèè Êàñïåðñêîãî" Àëåêñàíäð Ãîñòåâ.
Ñî â÷åðàøíåãî äíÿ ñèãíàòóðû óãðîç âðåäîíîñíûõ ïðîãðàìì Net-Worm.Win32.Koobface.a è Net-Worm.Win32.Koobface.b áûëè âíåñåíû â àíòèâèðóñíûå áàçû "Ëàáîðàòîðèè Êàñïåðñêîãî".