[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ledeo.cz\/bezinstalacni-viry\/#Article","mainEntityOfPage":"https:\/\/www.ledeo.cz\/bezinstalacni-viry\/","headline":"Bezinstala\u010dn\u00ed viry","name":"Bezinstala\u010dn\u00ed viry","description":"V\u00fdraz v n\u00e1zvu \u010dl\u00e1nku jsem si vymyslel, ofici\u00e1ln\u011b takov\u00fd v\u00fdraz neexistuje. T\u011bmto vir\u016fm se spr\u00e1vn\u011b \u0159\u00edk\u00e1 „fileless“, ale uznejte, \u017ee by to v n\u00e1zvu nejen vypadalo divn\u011b, ale hlavn\u011b by to nel\u00e1kalo k p\u0159e\u010dten\u00ed. Onen v\u00fdraz stejn\u011b jako „zero-footprint (nulov\u00e9 stopy)“ nen\u00ed technicky spr\u00e1vn\u00fd, tak\u017ee si s t\u00edm p\u0159estaneme l\u00e1mat hlavu. Hodn\u011b v\u0161eobecn\u011b se d\u00e1 […]","datePublished":"2019-06-27","dateModified":"2023-05-07","author":{"@type":"Person","@id":"https:\/\/www.ledeo.cz\/author\/#Person","name":"","url":"https:\/\/www.ledeo.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/baa231f7e1963b29d6549eb0e137b049d877d4e97c51386f463c7d4fc98329bd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/baa231f7e1963b29d6549eb0e137b049d877d4e97c51386f463c7d4fc98329bd?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ledeo.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ledeo.cz\/wp-content\/uploads\/img_a347358_w2936_t1561579236.jpg","url":"https:\/\/www.ledeo.cz\/wp-content\/uploads\/img_a347358_w2936_t1561579236.jpg","height":0,"width":0},"url":"https:\/\/www.ledeo.cz\/bezinstalacni-viry\/","about":["Internet"],"wordCount":404,"articleBody":"V\u00fdraz v n\u00e1zvu \u010dl\u00e1nku jsem si vymyslel, ofici\u00e1ln\u011b takov\u00fd v\u00fdraz neexistuje. T\u011bmto vir\u016fm se spr\u00e1vn\u011b \u0159\u00edk\u00e1 „fileless“, ale uznejte, \u017ee by to v n\u00e1zvu nejen vypadalo divn\u011b, ale hlavn\u011b by to nel\u00e1kalo k p\u0159e\u010dten\u00ed. \tOnen v\u00fdraz stejn\u011b jako „zero-footprint (nulov\u00e9 stopy)“ nen\u00ed technicky spr\u00e1vn\u00fd, tak\u017ee si s t\u00edm p\u0159estaneme l\u00e1mat hlavu.\t\tHodn\u011b v\u0161eobecn\u011b se d\u00e1 \u0159\u00edci, \u017ee je to vir „lep\u00edc\u00ed“, kter\u00fd se p\u0159ilep\u00ed k naprosto jin\u00e9mu programu, ale s\u00e1m nenese \u017e\u00e1dn\u00fd instala\u010dn\u00ed soubor ani informaci o n\u011bm. \tJak\u00e9 je zde pak nebezpe\u010d\u00ed? Naprosto stejn\u00e9 jako u jin\u00fdch vir\u016f, jen tento je h\u016f\u0159e zachytiteln\u00fd klasick\u00fdmi antiviry. Ne, \u017ee by ne\u0161el zachytit \u00fapln\u011b, jak ps\u00e1no v jist\u00e9m \u010dl\u00e1nku. To je samoz\u0159ejm\u011b nesmysl, Ka\u017ed\u00fd vir je zachytiteln\u00fd, pokud jej n\u011bkdo zad\u00e1 do datab\u00e1ze a ode\u0161le. Antivir, tedy pokud je aktualizovan\u00fd a zn\u00e1 jej, jej najde a dle va\u0161eho p\u0159\u00e1n\u00ed i provede to, co mu nap\u00ed\u0161ete.\t\tStupe\u0148 nebezpe\u010dnosti je zde dost sn\u00ed\u017een o fakt, \u017ee tento vir nezapisuje na v\u00e1\u0161 hard disk. Nepot\u0159ebuje to. Operuje pouze v RAM pam\u011bti, tak\u017ee je jeho \u017eivot velmi kr\u00e1tk\u00fd. Proto\u017ee jak ka\u017ed\u00fd v\u00ed, restartem PC se RAM pam\u011b\u0165 prost\u011b vyma\u017ee. \tJi\u017e z tohoto d\u016fvodu nen\u00ed p\u0159\u00edli\u0161 \u010dasto pou\u017e\u00edv\u00e1n, ale p\u0159esto se neust\u00e1le objevuje. Pr\u00e1v\u011b proto je t\u0159eba db\u00e1t a pohl\u00eddat si aktualizace antivir\u016f, pokud to ned\u011blaj\u00ed automaticky. Hlavn\u011b je t\u0159eba kontrolovat tak zvanou behavior\u00e1ln\u00ed kontrolu. Behavior\u00e1ln\u00ed m\u016f\u017eeme popsat jako sleduj\u00edc\u00ed pr\u00e1ci, sleduj\u00edc\u00ed, co d\u011bl\u00e1, prost\u011b pozoruje chov\u00e1n\u00ed n\u011b\u010deho. Jakmile zachyt\u00ed antivir podez\u0159elou \u010dinnost, tedy \u017ee n\u011bco ned\u011bl\u00e1, co m\u00e1, nebo d\u011bl\u00e1 n\u011bco nav\u00edc ihned na to upozorn\u00ed. \tOv\u0161em nev\u011b\u0159te v jejich v\u0161emocnost, je-li tento vir „mlad\u00fd“ a nen\u00ed je\u0161t\u011b moc zn\u00e1m, nemus\u00ed jej objevit \u017e\u00e1dn\u00fd antivir a \u017e\u00e1dn\u00fd behavior\u00e1ln\u00ed test. \tNezb\u00fdv\u00e1 ne\u017e b\u00fdt skute\u010dn\u011b hodn\u011b opatrn\u00fd a neklikat v\u0161ude mo\u017en\u011b. Jen tak lze zabr\u00e1nit p\u0159\u00edpadn\u00e9mu napaden\u00ed va\u0161eho stroje. N\u00e1sledky by pak mohly b\u00fdt velice nep\u0159\u00edjemn\u00e9.  \t                                                                                                                                                                                                                                                                                                                                                                                         4.8\/5 - (6 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Bezinstala\u010dn\u00ed viry","item":"https:\/\/www.ledeo.cz\/bezinstalacni-viry\/#breadcrumbitem"}]}]