{"id":6229,"date":"2025-05-27T10:18:54","date_gmt":"2025-05-27T08:18:54","guid":{"rendered":"https:\/\/bezpecnevofirme.eset.com\/sk\/?p=6229"},"modified":"2025-05-27T10:23:03","modified_gmt":"2025-05-27T08:23:03","slug":"pribeh-z-praxe-ako-sluzba-mdr-vymanila-firmu-z-chapadiel-hackerov","status":"publish","type":"post","link":"https:\/\/bezpecnevofirme.eset.com\/sk\/eset-blog\/pribeh-z-praxe-ako-sluzba-mdr-vymanila-firmu-z-chapadiel-hackerov\/","title":{"rendered":"Pr\u00edbeh z praxe: Ako slu\u017eba MDR vymanila firmu z ch\u00e1padiel hackerov"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR-1024x536.jpg\" alt=\"BVF MDR nahladovy obrazok\" class=\"wp-image-6240\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR-1024x536.jpg 1024w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR-300x157.jpg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR-768x402.jpg 768w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR-370x194.jpg 370w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR-760x398.jpg 760w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/hlavny-banner-1200x628_2024-MDR.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><em>Objavte, \u010do v&nbsp;praxi znamen\u00e1 nepretr\u017eit\u00e1 ochrana \u2013 James Rodewald vysvet\u013euje, pre\u010do je ESET MDR slu\u017ebou, ktor\u00fa sa oplat\u00ed ma\u0165.<\/em><\/p>\n\n\n\n<p>Podujatie <a href=\"https:\/\/esetworld.com\/\">ESET World 2025<\/a> spojilo \u0161pi\u010dkov\u00fdch odborn\u00edkov na&nbsp;kybernetick\u00fa bezpe\u010dnos\u0165 z&nbsp;r\u00f4znych oblast\u00ed, a&nbsp;ako sa dalo \u010daka\u0165, prinieslo aj konkr\u00e9tne pr\u00edklady toho, \u010do firm\u00e1m skuto\u010dne pom\u00e1ha zosta\u0165 v&nbsp;bezpe\u010d\u00ed. Jedn\u00fdm z&nbsp;nich bola aj prezent\u00e1cia Jamesa Rodewalda, analytika bezpe\u010dnostn\u00e9ho monitoringu v&nbsp;spolo\u010dnosti ESET.<\/p>\n\n\n\n<p>Vo&nbsp;svojej predn\u00e1\u0161ke s&nbsp;n\u00e1zvom \u201eZosta\u0148te v&nbsp;bezpe\u010d\u00ed so&nbsp;slu\u017ebou ESET MDR\u201c sa zameral na&nbsp;najv\u00e4\u010d\u0161ie v\u00fdzvy, ktor\u00fdm \u010delia IT&nbsp;spr\u00e1vcovia, a&nbsp;uk\u00e1zal, ako im<strong> <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/eset-blog\/mdr-sluzby-spickove-zabezpecenie-pre-vsetky-firmy-aj-bez-vlastnych-expertov\/\">slu\u017eba riadenej detekcie a&nbsp;reakcie (MDR)<\/a><\/strong> \u0161etr\u00ed \u010das a&nbsp;zvy\u0161uje efektivitu. Nech\u00fdbal ani pr\u00edbeh o&nbsp;kompromitovanej sieti VPN.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jeden de\u0148 v&nbsp;\u017eivote IT&nbsp;spr\u00e1vcu<\/h2>\n\n\n\n<p>IT&nbsp;spr\u00e1vcovia musia denne balansova\u0165 medzi mno\u017estvom \u00faloh. Kybernetick\u00e1 bezpe\u010dnos\u0165 je \u010dasto len jednou z&nbsp;mnoh\u00fdch polo\u017eiek na&nbsp;zozname, ktorej sa nie v\u017edy dost\u00e1va to\u013eko pozornosti, ko\u013eko by si zasl\u00fa\u017eila.<\/p>\n\n\n\n<p>Jednou z&nbsp;hlavn\u00fdch v\u00fdziev v&nbsp;oblasti firemnej bezpe\u010dnosti je <strong>rozpo\u010det<\/strong>. Vybudovanie plnohodnotn\u00e9ho bezpe\u010dnostn\u00e9ho opera\u010dn\u00e9ho centra (<a>SOC) <\/a>m\u00f4\u017ee by\u0165 finan\u010dne n\u00e1ro\u010dn\u00e9, najm\u00e4 ak m\u00e1 pokr\u00fdva\u0165 stovky zariaden\u00ed, \u010do si vy\u017eaduje <strong>\u010das<\/strong> a&nbsp;mno\u017estvo \u00fasilia. Niektor\u00e9 firmy sa domnievaj\u00fa, \u017ee dvaja zamestnanci zvl\u00e1dnu prev\u00e1dzku cel\u00e9ho SOC, no Rodewald s&nbsp;t\u00fdmto pr\u00edstupom rozhodne nes\u00fahlas\u00ed: <em>\u201eNemohli by syst\u00e9my monitorova\u0165 nepretr\u017eite. [\u2026] Ak sa nie\u010do stane v&nbsp;noci alebo po\u010das ich dovolenky, m\u00f4\u017ee to ma\u0165 v\u00e1\u017ene n\u00e1sledky.\u201c<\/em><\/p>\n\n\n\n<p>Rodewald nechce IT&nbsp;profesion\u00e1lov odradi\u0165, no upozor\u0148uje, \u017ee existuj\u00fa oblasti, kde je nevyhnutn\u00e1 pomoc odborn\u00edkov na&nbsp;bezpe\u010dnos\u0165: <em>\u201eIT&nbsp;spr\u00e1vcovia s\u00fa \u0161ikovn\u00ed. Vedia, \u010do robia. Buduj\u00fa skvel\u00e9 syst\u00e9my, ktor\u00e9 spolu komunikuj\u00fa \u2013 a&nbsp;to je \u00fa\u017easn\u00e9. Ale nie v\u017edy dok\u00e1\u017eu <strong>rozpozna\u0165<\/strong>, ke\u010f niekto z\u00e1merne manipuluje s&nbsp;ich sie\u0165ou. A&nbsp;pr\u00e1ve tam vznik\u00e1 riziko.\u201c<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ESET MDR prich\u00e1dza na&nbsp;pomoc<\/h2>\n\n\n\n<p>Slu\u017eba <a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/bezpecnostne-sluzby\/managed-detection-and-response\/\">ESET MDR<\/a> poskytuje IT&nbsp;spr\u00e1vcom dodato\u010dn\u00fa podporu&nbsp;v&nbsp;boji proti hrozb\u00e1m, a&nbsp;to aj vtedy, ke\u010f s\u00fa zanepr\u00e1zdnen\u00ed ka\u017edodenn\u00fdmi \u00falohami. Je obzvl\u00e1\u0161\u0165 pr\u00ednosn\u00e1 pre men\u0161ie firmy, ktor\u00e9 nemaj\u00fa v&nbsp;r\u00e1mci svojich IT&nbsp;oddelen\u00ed vlastn\u00fd bezpe\u010dnostn\u00fd t\u00edm, preto\u017ee im umo\u017e\u0148uje r\u00fdchlo posilni\u0165 \u00farove\u0148 ochrany. Rodewald op\u00edsal slu\u017ebu takto: <em>\u201eJe to ako nastavi\u0165 a&nbsp;zabudn\u00fa\u0165. [\u2026] Z\u00e1kazn\u00edci chc\u00fa, aby niekto monitoroval ich syst\u00e9my, upozornil ich, ak sa nie\u010do stane, povedal, \u010do sme urobili na&nbsp;n\u00e1pravu a&nbsp;\u010di je potrebn\u00e9 prija\u0165 nejak\u00e9 opatrenia.\u201c<\/em><\/p>\n\n\n\n<p>ESET MDR je <a href=\"https:\/\/web-assets.eset.com\/fileadmin\/ESET\/SK\/Docs\/Business\/Services\/Prehlad-sluzby_ESET-MDR.pdf\">nepretr\u017eit\u00e1 slu\u017eba spr\u00e1vy hrozieb<\/a> pre&nbsp;men\u0161ie firmy, ktor\u00e1 kombinuje umel\u00fa inteligenciu s&nbsp;odborn\u00fdmi znalos\u0165ami na&nbsp;zaistenie prvotriednej ochrany bez potreby intern\u00fdch bezpe\u010dnostn\u00fdch \u0161pecialistov. Zatia\u013e \u010do vy sa venujete svojim hlavn\u00fdm povinnostiam, ESET dok\u00e1\u017ee do&nbsp;20&nbsp;min\u00fat zablokova\u0165, zastavi\u0165 a&nbsp;neutralizova\u0165 \u0161kodliv\u00e9 aktivity.<\/p>\n\n\n\n<p>Aj z\u00e1kladn\u00e1 verzia slu\u017eby MDR pon\u00faka zabezpe\u010denie na&nbsp;\u00farovni ve\u013ek\u00fdch firiem, a&nbsp;to v\u010faka odborn\u00edkom vy\u0161kolen\u00fdm na&nbsp;zastavenie bezpe\u010dnostn\u00fdch incidentov, ktor\u00ed pracuj\u00fa s&nbsp;najnov\u0161\u00edmi inform\u00e1ciami o&nbsp;hrozb\u00e1ch. V&nbsp;pr\u00edpade komplexnej\u0161\u00edch IT&nbsp;prostred\u00ed s&nbsp;v\u00e4\u010d\u0161\u00edm rozsahom je v\u0161ak potrebn\u00e9 z\u00e1js\u0165 e\u0161te \u010falej. Tak\u00e9to prostredia si vy\u017eaduj\u00fa \u0161pecifick\u00fd pr\u00edstup, ktor\u00fd sa prirodzene za\u010dlen\u00ed do&nbsp;existuj\u00facej bezpe\u010dnostnej infra\u0161trukt\u00fary v\u00e4\u010d\u0161ej organiz\u00e1cie.<\/p>\n\n\n\n<p>Ako uviedol Rodewald, slu\u017eba <a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/protect-mdr-ultimate\/\">ESET MDR Ultimate<\/a> je ur\u010den\u00e1 <em>\u201epre z\u00e1kazn\u00edkov, ktor\u00ed chc\u00fa by\u0165 s&nbsp;nami v&nbsp;priamom spojen\u00ed po\u010das monitorovania ich prostredia v&nbsp;re\u00e1lnom \u010dase. [\u2026] V\u00fdhody tejto slu\u017eby siahaj\u00fa od&nbsp;tvorby vlastn\u00fdch pravidiel a&nbsp;upozornen\u00ed [cez] optimaliz\u00e1ciu bezpe\u010dnostn\u00e9ho prostredia\u2026 a\u017e po&nbsp;odha\u013eovanie nezabezpe\u010den\u00fdch zariaden\u00ed. V&nbsp;r\u00e1mci t\u00fdchto aktiv\u00edt pom\u00e1hame zvy\u0161ova\u0165 \u00farove\u0148 procesov aj prev\u00e1dzky, rie\u0161ime n\u00e1pravu incidentov a&nbsp;dokonca upozor\u0148ujeme na&nbsp;nezabezpe\u010den\u00e9 zariadenia, ktor\u00e9 s\u00fa, \u017eia\u013e, \u010dastou vstupnou br\u00e1nou pre hrozby.\u201c<\/em><\/p>\n\n\n\n<p>ESET MDR Ultimate dokonale sp\u00e1ja technol\u00f3giu ESET s&nbsp;odborn\u00fdmi znalos\u0165ami z&nbsp;oblasti digit\u00e1lnej bezpe\u010dnosti s&nbsp;cie\u013eom efekt\u00edvne a&nbsp;proakt\u00edvne odha\u013eova\u0165 a&nbsp;rie\u0161i\u0165 ak\u00e9ko\u013evek hrozby. Ide o&nbsp;slu\u017ebu \u0161it\u00fa na&nbsp;mieru, ktor\u00e1 funguje ako bezpe\u010dnostn\u00fd d\u00e1\u017ednik na&nbsp;\u00farovni SOC \u2013 schopn\u00fd chr\u00e1ni\u0165 aj komplexn\u00e9 IT&nbsp;prostredia so&nbsp;\u0161pecializovan\u00fdmi bezpe\u010dnostn\u00fdmi t\u00edmami.<\/p>\n\n\n\n<p>Rodewald z\u00e1rove\u0148 vyzdvihol reporty, ktor\u00e9 ESET MDR Ultimate generuje, a&nbsp;vysvetlil, \u017ee ide o&nbsp;\u013eudsk\u00fd pr\u00edstup zalo\u017een\u00fd na&nbsp;spolupr\u00e1ci odborn\u00edkov z&nbsp;oboch str\u00e1n, ktor\u00ed spolo\u010dne pracuj\u00fa na&nbsp;tvorbe efekt\u00edvnej\u0161\u00edch pravidiel a&nbsp;ochrann\u00fdch mechanizmov. Pr\u00e1ve t\u00e1to spolupr\u00e1ca prin\u00e1\u0161a z\u00e1kazn\u00edkom v\u00fdrazn\u00fa pridan\u00fa hodnotu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Detekcia do&nbsp;20&nbsp;min\u00fat<\/h2>\n\n\n\n<p>Slu\u017eba ESET MDR si u&nbsp;v\u0161etk\u00fdch z\u00e1kazn\u00edkov udr\u017eiava <a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/bezpecnostne-sluzby\/managed-detection-and-response\/\"><em>\u010das detekcie do&nbsp;<\/em><strong>20&nbsp;min\u00fat<\/strong><\/a>. <strong>Reakcia <\/strong>na&nbsp;incident trv\u00e1 v&nbsp;s\u00fa\u010dasnosti <strong>1&nbsp;min\u00fatu<\/strong> a&nbsp;jeho <strong>vyrie\u0161enie pribli\u017ene 5&nbsp;min\u00fat<\/strong>. Tento v\u00fdkon je mo\u017en\u00fd v\u010faka nepretr\u017eit\u00e9mu monitorovaniu v&nbsp;\u0161t\u00fdle SOC a&nbsp;neust\u00e1lemu zlep\u0161ovaniu rozhodovac\u00edch procesov t\u00edmov MDR s&nbsp;ka\u017edou novou detekciou.<\/p>\n\n\n\n<p>Rodewald vysvet\u013euje, \u017ee za&nbsp;touto r\u00fdchlos\u0165ou detekcie a&nbsp;reakcie slu\u017eby ESET MDR stoj\u00ed aj tr\u00e9ningov\u00fd re\u017eim: <em>\u201ePri ka\u017edom tr\u00e9ningu si kladieme ot\u00e1zku, \u010di sme si to mohli v\u0161imn\u00fa\u0165 aj sk\u00f4r. Ak \u00e1no, chceme sa zlep\u0161i\u0165. A&nbsp;tie\u017e sa p\u00fdtame, \u010di by ste vedeli t\u00fato [hrozbu] identifikova\u0165, keby ste ju videli v&nbsp;re\u00e1lnom prostred\u00ed.\u201c <\/em>Pr\u00edslu\u0161n\u00e9 t\u00edmy z\u00e1rove\u0148 sleduj\u00fa v\u00fdskum v&nbsp;oblasti kybernetick\u00fdch hrozieb, aby dok\u00e1zali rozpozna\u0165 aj tak\u00e9, s&nbsp;ktor\u00fdmi sa e\u0161te nestretli.<\/p>\n\n\n\n<p>V\u010faka tomu dok\u00e1\u017eu t\u00edmy MDR spolo\u010dnosti ESET spo\u013eahlivo odl\u00ed\u0161i\u0165 falo\u0161n\u00e9 poplachy od&nbsp;skuto\u010dn\u00fdch detekci\u00ed, flexibilne aplikova\u0165 nov\u00e9 reak\u010dn\u00e9 scen\u00e1re a&nbsp;prostredn\u00edctvom \u0161kolen\u00ed udr\u017eiava\u0165 znalosti analytikov neust\u00e1le aktu\u00e1lne. Pre intern\u00e9 t\u00edmy (najm\u00e4 tam, kde IT&nbsp;\u0161pecialisti rie\u0161ia v\u0161etko) m\u00f4\u017ee by\u0165 tak\u00fdto pr\u00edstup n\u00e1ro\u010dn\u00fd. Pr\u00e1ve preto s\u00fa tu analytici spolo\u010dnosti ESET vy\u0161kolen\u00ed na&nbsp;zvl\u00e1danie tohto za\u010darovan\u00e9ho kruhu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00edbeh z&nbsp;praxe<\/h2>\n\n\n\n<p>Rodewald sa podelil o&nbsp;skuto\u010dn\u00fd pr\u00edpad, ktor\u00fd ukazuje silu slu\u017eby ESET MDR v&nbsp;praxi \u2013 skupine <a href=\"https:\/\/krebsonsecurity.com\/2024\/07\/the-stark-truth-behind-the-resurgence-of-russias-fin7\/\">FIN7<\/a> sa podarilo prenikn\u00fa\u0165 do&nbsp;firemnej siete cez \u0161kodliv\u00fa VPN. Napadnut\u00e1 firma mala rozsiahlu glob\u00e1lnu infra\u0161trukt\u00faru s&nbsp;viacer\u00fdmi pobo\u010dkami a&nbsp;\u00fatok sa odohral e\u0161te dva a\u017e tri mesiace predt\u00fdm, ne\u017e za\u010dala vyu\u017e\u00edva\u0165 slu\u017eby ESET. Hoci mala nasaden\u00e9 rie\u0161enie XDR, nikto ho akt\u00edvne nesledoval, \u010do sa uk\u00e1zalo ako recept na&nbsp;katastrofu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tesne pred b\u00farkou<\/h3>\n\n\n\n<p>Na&nbsp;za\u010diatku \u00fatoku niekto pomocou PowerShellu vytvoril extern\u00e9 sie\u0165ov\u00e9 pripojenie, \u010do n\u00e1sledne viedlo k&nbsp;in\u0161tal\u00e1cii premenovan\u00e9ho n\u00e1stroja na&nbsp;vzdialen\u00e9 monitorovanie a&nbsp;spr\u00e1vu (RMM) \u2013 LiteManager. Zauj\u00edmav\u00fd bol aj skript PowerShell s&nbsp;n\u00e1zvom <a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/ps1.powertrash\">PowerTrash<\/a>, ktor\u00fd mal viac ne\u017e 6&nbsp;000&nbsp;riadkov.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"628\" height=\"318\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-5.jpg\" alt=\"\" class=\"wp-image-6235\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-5.jpg 628w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-5-300x152.jpg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-5-370x187.jpg 370w\" sizes=\"auto, (max-width: 628px) 100vw, 628px\" \/><\/figure>\n<\/div>\n\n\n<p>N\u00e1sledne tento n\u00e1stroj RMM, premenovan\u00fd na\u00a0<em>romfusclient.exe,<\/em> spustil \u010fal\u0161\u00ed re\u0165azec pr\u00edkazov, ktor\u00e9ho cie\u013eom bolo nain\u0161talova\u0165 backdoor pre <a href=\"https:\/\/www.techtarget.com\/searchsecurity\/definition\/Secure-Shell\">OpenSSH<\/a>. <em>\u201eTento backdoor by komunikoval so\u00a0vzdialen\u00fdm riadiacim (C&amp;C) serverom a\u00a0umo\u017enil by \u00fato\u010dn\u00edkovi vytvori\u0165 tunel cez napadnut\u00e9 zariadenie a\u00a0\u010falej \u00fato\u010di\u0165 na\u00a0ostatn\u00e9 zariadenia v\u00a0sieti,\u201c<\/em> vysvetlil Rodewald.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako slu\u017eba ESET MDR Ultimate zasiahla v&nbsp;prav\u00fd \u010das<\/h3>\n\n\n\n<p>Kr\u00e1tko po\u00a0nasaden\u00ed slu\u017eby ESET MDR Ultimate zachytili analytici later\u00e1lny pohyb v\u00a0sieti cez vzdialene napl\u00e1novan\u00e9 \u00falohy. Op\u00e4\u0165 sa spustil skript PowerTrash. <em>\u201eJeho cie\u013eom bolo z\u00edska\u0165 prihlasovacie \u00fadaje a\u00a0na\u010d\u00edta\u0165 do\u00a0pam\u00e4te malv\u00e9r Spy.Sekur. V\u00a0tom momente sme vedeli, \u017ee ide o\u00a0skupinu FIN7 \u2013 Spy.Sekur <a href=\"https:\/\/www.deepwatch.com\/labs\/profile-of-an-adversary-fin7\/\">pou\u017e\u00edvaj\u00fa len oni<\/a> a\u00a0PowerTrash je pod\u013ea v\u0161etk\u00e9ho tie\u017e ich v\u00fdtvor,\u201c<\/em> uviedol Rodewald. Tentoraz mal skript 41\u00a0000\u00a0riadkov k\u00f3du, \u010do je v\u00fdrazne viac ne\u017e v\u00a0predch\u00e1dzaj\u00facom pr\u00edpade.<\/p>\n\n\n\n<p><em>\u201eAko sme za\u010dali vytv\u00e1ra\u0165 vlastn\u00e9 pravidl\u00e1 na&nbsp;blokovanie podozriv\u00fdch aktiv\u00edt, objavovali sa \u010fal\u0161ie pokusy o&nbsp;later\u00e1lny pohyb. [\u2026] Za\u010dali sme si ich v\u0161\u00edma\u0165 cez vzdialen\u00e9 \u00falohy aj <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows\/win32\/winrm\/portal\">WinRM<\/a>. Tentoraz sa \u00fato\u010dn\u00edci pok\u00fasili spusti\u0165 d\u00e1vkov\u00fd s\u00fabor, ktor\u00e9ho cie\u013eom bolo aktivova\u0165 premenovan\u00fd n\u00e1stroj RClone.exe ur\u010den\u00fd na&nbsp;z\u00e1lohovanie zdie\u013ean\u00fdch s\u00faborov v&nbsp;sieti. Tie pl\u00e1novali n\u00e1sledne skomprimova\u0165 pomocou premenovanej verzie n\u00e1stroja <a>7\u2011Zip<\/a>&nbsp;a&nbsp;exfiltrova\u0165 mimo organiz\u00e1cie,\u201c<\/em> pokra\u010doval Rodewald.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"587\" height=\"321\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-6.jpg\" alt=\"\" class=\"wp-image-6236\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-6.jpg 587w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-6-300x164.jpg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-6-370x202.jpg 370w\" sizes=\"auto, (max-width: 587px) 100vw, 587px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Zastavi\u0165 a&nbsp;zablokova\u0165<\/h3>\n\n\n\n<p>T\u00edm MDR okam\u017eite za\u010dal tieto procesy ukon\u010dova\u0165 a&nbsp;blokova\u0165, pri\u010dom z\u00e1rove\u0148 vytv\u00e1ral vlastn\u00e9 pravidl\u00e1 na&nbsp;ich trval\u00fa deaktiv\u00e1ciu. Probl\u00e9m bol v\u0161ak v&nbsp;tom, \u017ee \u00fatok prebiehal na&nbsp;viacer\u00fdch zariadeniach s\u00fa\u010dasne, a&nbsp;to r\u00f4znymi formami later\u00e1lneho pohybu.<\/p>\n\n\n\n<p>V\u010faka anal\u00fdze zdrojov\u00fdch IP&nbsp;adries t\u00fdchto pohybov bolo jasn\u00e9, \u017ee v&nbsp;prostred\u00ed z\u00e1kazn\u00edka sa nach\u00e1dzaj\u00fa nezabezpe\u010den\u00e9 zariadenia, ktor\u00e9 sa nezobrazovali&nbsp;v&nbsp;n\u00e1strojoch ESET PROTECT ani ESET Inspect ako spravovan\u00e9. <em>\u201eTak\u017ee si vol\u00e1me a&nbsp;ja sa cez vzdialen\u00fd pr\u00edstup prip\u00e1jam priamo na&nbsp;tieto zariadenia, aby som zistil, \u010do sa deje. Na&nbsp;viacer\u00fdch z&nbsp;nich sme na\u0161li backdoor pre OpenSSH \u2013 bolo potrebn\u00e9 ich bu\u010f okam\u017eite odpoji\u0165 od&nbsp;siete, alebo som ich musel manu\u00e1lne vy\u010disti\u0165,\u201c<\/em> op\u00edsal Rodewald.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"617\" height=\"333\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-9.jpg\" alt=\"\" class=\"wp-image-6239\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-9.jpg 617w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-9-300x162.jpg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-9-370x200.jpg 370w\" sizes=\"auto, (max-width: 617px) 100vw, 617px\" \/><\/figure>\n<\/div>\n\n\n<p>\u00dato\u010dn\u00edk sa v\u0161ak nevzdal. Pravdepodobne v&nbsp;panike, \u017ee str\u00e1ca pr\u00edstup do&nbsp;siete, nasadil nov\u00fd n\u00e1stroj. <em>\u201eI\u0161lo o&nbsp;doteraz nev\u00eddan\u00e9 <a href=\"https:\/\/attack.mitre.org\/techniques\/T1574\/002\/\">podvrhnutie kni\u017enice&nbsp;DLL (tzv. DLL side-loading)<\/a>!\u201c<\/em> zvolal Rodewald. Hoci sa s\u00fabor <em>.exe<\/em> mohol v&nbsp;re\u00e1lnom prostred\u00ed vyskytn\u00fa\u0165 u\u017e sk\u00f4r, v&nbsp;tomto pr\u00edpade obsahoval \u0161kodliv\u00fa kni\u017enicu DLL.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"604\" height=\"326\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-7.jpg\" alt=\"\" class=\"wp-image-6237\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-7.jpg 604w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-7-300x162.jpg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-7-370x200.jpg 370w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/figure>\n<\/div>\n\n\n<p><em>\u201eSna\u017eili sa udr\u017ea\u0165 v&nbsp;sieti. [\u2026] Ale my sme to zachytili za&nbsp;menej ako 30&nbsp;sek\u00fand,\u201c<\/em> dodal Rodewald s&nbsp;\u00fasmevom. T\u00edm MDR n\u00e1sledne zablokoval nielen legit\u00edmny s\u00fabor<em> .exe,<\/em> ale aj \u0161kodliv\u00fa kni\u017enicu&nbsp;DLL a&nbsp;odstr\u00e1nil ich z&nbsp;\u010fal\u0161\u00edch \u0161iestich alebo siedmich zariaden\u00ed \u2013 v\u0161etko naraz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00e1vrat na&nbsp;za\u010diatok<\/h3>\n\n\n\n<p>T\u00edmu za\u010dalo v\u0155ta\u0165 hlavou, ako vlastne do\u0161lo k&nbsp;prvotn\u00e9mu prieniku: <em>\u201eZa\u010dali sme s\u0165ahova\u0165 protokoly zo&nbsp;zariaden\u00ed a&nbsp;h\u013eada\u0165 stopy udalost\u00ed\u2026 robili sme digit\u00e1lne forenzn\u00e9 vy\u0161etrovanie [incidentu].\u201c<\/em> Sk\u00f4r ne\u017e sa v\u0161ak stihli do&nbsp;vy\u0161etrovania ponori\u0165 hlb\u0161ie, \u00fato\u010dn\u00edci sa prezradili: niekto sa cez <a href=\"https:\/\/www.welivesecurity.com\/2022\/09\/07\/rdp-radar-up-close-view-evolving-remote-access-threats\/\">protokol&nbsp;RDP prip\u00e1jal z&nbsp;intern\u00fdch IP&nbsp;adries<\/a> na&nbsp;r\u00f4zne zariadenia a&nbsp;okam\u017eite in\u0161taloval <em>AteraAgent<\/em> a&nbsp;<em>Splashtop<\/em> \u2013 \u010fal\u0161ie n\u00e1stroje na&nbsp;vzdialen\u00fa spr\u00e1vu.<\/p>\n\n\n\n<p>Tieto IP&nbsp;adresy v\u0161ak patrili do&nbsp;inej podsiete ne\u017e zvy\u0161ok zariaden\u00ed v&nbsp;sieti. IT&nbsp;spr\u00e1vca firmy r\u00fdchlo potvrdil, \u017ee ide o&nbsp;adresy pride\u013eovan\u00e9 ich sie\u0165ou&nbsp;VPN.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"608\" height=\"332\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-8.jpg\" alt=\"\" class=\"wp-image-6238\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-8.jpg 608w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-8-300x164.jpg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/05\/image-8-370x202.jpg 370w\" sizes=\"auto, (max-width: 608px) 100vw, 608px\" \/><\/figure>\n<\/div>\n\n\n<p><em>\u201eIch <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/zranitelnosti-vo-vpn-sietach-strasiakom-pre-firmy\/\">VPN&nbsp;zariadenie bolo kompromitovan\u00e9<\/a>. K&nbsp;sieti VPN sa prip\u00e1jali \u0161kodliv\u00e9 zariadenia patriace \u00fato\u010dn\u00edkovi, ktor\u00e9 n\u00e1sledne cez RDP prenikali hlb\u0161ie do&nbsp;siete,\u201c<\/em> vysvetlil Rodewald. T\u00edm MDR preto odporu\u010dil vypn\u00fa\u0165 sie\u0165 VPN. Odvtedy sa v&nbsp;prostred\u00ed neobjavila \u017eiadna nov\u00e1 aktivita, no na\u010falej je monitorovan\u00e9.<\/p>\n\n\n\n<p>Tento pr\u00edpad jasne ukazuje, ako v\u010faka \u00fazkej spolupr\u00e1ci umo\u017enenej slu\u017ebou ESET MDR Ultimate bolo mo\u017en\u00e9 okam\u017eite zasiahnu\u0165 a&nbsp;r\u00fdchlo vytvori\u0165 nov\u00e9 bezpe\u010dnostn\u00e9 postupy a&nbsp;strat\u00e9gie, ktor\u00e9 klientovi pom\u00f4\u017eu pred\u00eds\u0165 podobn\u00fdm incidentom v&nbsp;bud\u00facnosti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MDR &#8211; Ochrana zameran\u00e1 na&nbsp;prevenciu<\/h2>\n\n\n\n<p>Hlavnou hodnotou slu\u017eieb MDR od&nbsp;spolo\u010dnosti ESET je ich <a href=\"https:\/\/www.eset.com\/sk\/prevencia-na-prvom-mieste\/\">d\u00f4raz na&nbsp;prevenciu<\/a>. Ka\u017ed\u00e1 z&nbsp;t\u00fdchto spravovan\u00fdch slu\u017eieb je prisp\u00f4soben\u00e1 r\u00f4znym IT&nbsp;architekt\u00faram firiem, no cie\u013e zost\u00e1va rovnak\u00fd \u2013 r\u00fdchla detekcia a&nbsp;takmer okam\u017eit\u00e1 n\u00e1prava, ktor\u00e1 zastav\u00ed nov\u00e9 hrozby sk\u00f4r, ne\u017e stihn\u00fa nap\u00e1cha\u0165 \u0161kody.<\/p>\n\n\n\n<p>Navy\u0161e, ako ukazuje aj pr\u00edpad so&nbsp;\u0161kodlivou sie\u0165ou VPN, ktor\u00fd op\u00edsal Rodewald, nasadenie spravovanej bezpe\u010dnostnej slu\u017eby aj po\u010das prebiehaj\u00faceho incidentu m\u00f4\u017ee firme pom\u00f4c\u0165 vymani\u0165 sa z&nbsp;ch\u00e1padiel \u00fato\u010dn\u00edka.<\/p>\n\n\n\n<p><a id=\"_msocom_1\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objavte, \u010do v&nbsp;praxi znamen\u00e1 nepretr\u017eit\u00e1 ochrana \u2013 James Rodewald vysvet\u013euje, pre\u010do je ESET MDR slu\u017ebou, ktor\u00fa sa oplat\u00ed ma\u0165. Podujatie ESET World 2025 spojilo \u0161pi\u010dkov\u00fdch odborn\u00edkov na&nbsp;kybernetick\u00fa bezpe\u010dnos\u0165 z&nbsp;r\u00f4znych oblast\u00ed, a&nbsp;ako sa dalo \u010daka\u0165, prinieslo aj konkr\u00e9tne pr\u00edklady toho, \u010do firm\u00e1m skuto\u010dne pom\u00e1ha zosta\u0165 v&nbsp;bezpe\u010d\u00ed. Jedn\u00fdm z&nbsp;nich bola aj prezent\u00e1cia Jamesa Rodewalda, analytika bezpe\u010dnostn\u00e9ho monitoringu v&nbsp;spolo\u010dnosti ESET. Vo&nbsp;svojej predn\u00e1\u0161ke s&nbsp;n\u00e1zvom \u201eZosta\u0148te v&nbsp;bezpe\u010d\u00ed&hellip;<\/p>\n","protected":false},"author":8,"featured_media":6241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[143],"tags":[],"class_list":["post-6229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eset-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ako slu\u017eba MDR vymanila firmu z ch\u00e1padiel hackerov | ESET<\/title>\n<meta name=\"description\" content=\"Objavte, \u010do v\u00a0praxi znamen\u00e1 nepretr\u017eit\u00e1 ochrana \u2013 James Rodewald vysvet\u013euje, pre\u010do je ESET MDR slu\u017ebou, ktor\u00fa sa oplat\u00ed 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