{"id":429,"date":"2021-03-03T17:34:15","date_gmt":"2021-03-03T17:34:15","guid":{"rendered":"https:\/\/dev.sourcecode.sk\/wsczkb\/?post_type=ht_kb&#038;p=429"},"modified":"2023-04-26T16:30:48","modified_gmt":"2023-04-26T14:30:48","slug":"virus-scanner","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.cz\/podpora\/kb\/virus-scanner\/","title":{"rendered":"Virus scanner"},"content":{"rendered":"\n<p style=\"font-size:18px\">V p\u0159\u00edpad\u011b, \u017ee pou\u017e\u00edv\u00e1te redak\u010dn\u00ed syst\u00e9m (CMS), a nestr\u00e1\u017e\u00edte v\u0161echny dostupn\u00e9 aktualizace CMS samotn\u00e9ho a jak\u00fdchkoliv p\u0159\u00edtomn\u00fdch plugin\u016f nebo t\u00e9mat, vystavujete se riziku napaden\u00ed malwarem. Aktualizovan\u00e9 verze redak\u010dn\u00edch syst\u00e9m\u016f toti\u017e poskytuj\u00ed z\u00e1platy pro bezpe\u010dnostn\u00ed slabiny, kter\u00e9 jsou v t\u011bchto syst\u00e9mech neust\u00e1le objevovan\u00e9 jejich v\u00fdvoj\u00e1\u0159i a u\u017eivatelskou komunitou.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><br>Jeliko\u017e \u201cru\u010dn\u00ed\u201d napad\u00e1n\u00ed hosting\u016f je z pohledu \u00fato\u010dn\u00edka neefektivn\u00ed, v drtiv\u00e9 v\u011bt\u0161ine jsou \u00fatoky na str\u00e1nky automatizovan\u00e9 &#8211; kontroluj\u00edc\u00ed velk\u00fd objem str\u00e1nek na p\u0159\u00edtomnost n\u011bkter\u00e9 z neopraven\u00fdch bezpe\u010dnostn\u00edch d\u011br. Pokud je takto nalezen\u00e1 \u201cvyhovuj\u00edc\u00ed\u201d str\u00e1nka, \u00fato\u010dn\u00edk na ni pomoc\u00ed jej\u00ed bezpe\u010dnostn\u00ed slabiny uploadne svoje vlastn\u00ed skripty. Ty jsou vyu\u017e\u00edvan\u00e9 na cel\u00e9 spektrum \u010dinnost\u00ed, od p\u0159esm\u011brov\u00e1v\u00e1n\u00ed n\u00e1v\u0161t\u011bvn\u00edk\u016f na ciz\u00ed str\u00e1nky, po hromadn\u00e9 rozes\u00edlky spamu. \u00datoky kter\u00e9 by m\u011bly jin\u00fd \u00fa\u010del &#8211; defacement str\u00e1nky nebo c\u00edlen\u00fd pokus o kr\u00e1de\u017e \u00fadaj\u016f &#8211; sice b\u00fdvaj\u00ed m\u00e9n\u011b b\u011b\u017en\u00e9, ale riziko napadnut\u00ed je stejn\u00e9 jako p\u0159i automatizovan\u00fdch \u00fatoc\u00edch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Jak postupovat v p\u0159\u00edpad\u011b podez\u0159en\u00ed, \u017ee byla va\u0161e str\u00e1nka napadnut\u00e1?<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Kontrola hostingu<\/strong><\/h4>\n\n\n\n<p>Ve Webadminu p\u0159ibyla mo\u017enost zkontrolovat sv\u016fj hosting na p\u0159\u00edtomnost \u0161kodliv\u00e9ho k\u00f3du. Najdete ho po p\u0159ihl\u00e1\u0161en\u00ed do <strong><a href=\"https:\/\/login.websupport.cz\/\" target=\"_blank\" rel=\"noreferrer noopener\">WebAdminu<\/a><\/strong>, sekce <strong>Web\/Virus Skener<\/strong>. Jeho pou\u017eit\u00ed je relativn\u011b p\u0159\u00edmo\u010dar\u00e9 &#8211; nic nen\u00ed nutn\u00e9 nastavovat, jedin\u00e1 mo\u017enost je necha\u0165 proskenovat cel\u00fd hosting.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"398\" src=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-800x398.png\" alt=\"\" class=\"wp-image-10439\" srcset=\"https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-800x398.png 800w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-400x199.png 400w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-768x382.png 768w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-50x25.png 50w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-1536x764.png 1536w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-60x30.png 60w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner-100x50.png 100w, https:\/\/www.websupport.cz\/podpora\/app\/uploads\/2023\/04\/scanner.png 1724w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Skener zkontroluje obsah va\u0161eho hostingu na nej\u010dast\u011bji se vyskytuj\u00edc\u00ed typy n\u00e1kazy. Datab\u00e1zi \u0161kodliv\u00fdch skript\u016f neust\u00e1le dopl\u0148ujeme.<\/p>\n\n\n\n<p>Pokud se skeneru poda\u0159\u00ed naj\u00edt infikovan\u00e9 soubory, vyp\u00ed\u0161e jejich seznam. Dal\u0161\u00ed vychyt\u00e1vkou, kterou mo\u017en\u00e1 uv\u00edtaj\u00ed vlastn\u00edci str\u00e1nek postaven\u00fdch na WordPress-u, je p\u0159ehled instalovan\u00fdch plugin\u016f a jejich verz\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Co v p\u0159\u00edpade, \u017ee Virus skener najde na webu infikovan\u00e9 soubory ?<\/strong><\/h3>\n\n\n\n<p>Virus skener nab\u00edz\u00ed jen detekci napadnut\u00fdch soubor\u016f, ale nedok\u00e1\u017ee je vyl\u00e9\u010dit. Pokud byl V\u00e1\u0161 hosting napadnut\u00fd, existuje n\u011bkolik mo\u017enost\u00ed jak ho pro\u010distit. Tyto jsou, od nejjednodu\u0161\u0161\u00ed po nejv\u00edc \u010dasov\u011b n\u00e1ro\u010dnou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>obnova ze z\u00e1lohy dle tohoto <a href=\"https:\/\/www.websupport.cz\/podpora\/kb\/obnova-ftp-dat\/\" target=\"_blank\" rel=\"noreferrer noopener\">n\u00e1vodu<\/a><\/li>\n\n\n\n<li>promaz\u00e1n\u00ed p\u0159es <a href=\"https:\/\/www.websupport.cz\/podpora\/kb\/prihlasovaci-udaje-na-ftp\/\" target=\"_blank\" rel=\"noreferrer noopener\">FTP<\/a> a op\u011btovn\u00e1 instalace napadnut\u00e9 str\u00e1nky<\/li>\n\n\n\n<li>ru\u010dn\u00ed oprava napadnut\u00fdch soubor\u016f v\u00fdvoj\u00e1\u0159em samotn\u00e9 aplikace, resp. program\u00e1torem<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>V p\u0159\u00edpad\u011b, \u017ee pou\u017e\u00edv\u00e1te redak\u010dn\u00ed syst\u00e9m (CMS), a nestr\u00e1\u017e\u00edte v\u0161echny dostupn\u00e9 aktualizace CMS samotn\u00e9ho a jak\u00fdchkoliv p\u0159\u00edtomn\u00fdch plugin\u016f nebo t\u00e9mat, vystavujete se riziku napaden\u00ed malwarem. Aktualizovan\u00e9 verze redak\u010dn\u00edch syst\u00e9m\u016f toti\u017e poskytuj\u00ed z\u00e1platy pro bezpe\u010dnostn\u00ed slabiny, kter\u00e9 jsou v t\u011bchto syst\u00e9mech neust\u00e1le objevovan\u00e9 jejich v\u00fdvoj\u00e1\u0159i a u\u017eivatelskou komunitou. Jeliko\u017e \u201cru\u010dn\u00ed\u201d napad\u00e1n\u00ed&#8230;<\/p>\n","protected":false},"author":3,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[63],"ht-kb-tag":[],"class_list":["post-429","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-redakcni-systemy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Virus scanner - Websupport Centrum n\u00e1pov\u011bdy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.cz\/podpora\/kb\/virus-scanner\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Virus scanner - Websupport Centrum n\u00e1pov\u011bdy\" \/>\n<meta property=\"og:description\" content=\"V p\u0159\u00edpad\u011b, \u017ee pou\u017e\u00edv\u00e1te redak\u010dn\u00ed syst\u00e9m (CMS), a nestr\u00e1\u017e\u00edte v\u0161echny dostupn\u00e9 aktualizace CMS samotn\u00e9ho a jak\u00fdchkoliv p\u0159\u00edtomn\u00fdch plugin\u016f nebo t\u00e9mat, vystavujete se riziku napaden\u00ed malwarem. 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