{"id":94862,"date":"2020-09-22T19:42:18","date_gmt":"2020-09-22T17:42:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/sysmon-teper-mozhet-zapisyvat-soderzhimoe-bufera-obmena"},"modified":"2020-09-22T19:42:18","modified_gmt":"2020-09-22T17:42:18","slug":"sysmon-teper-mozhet-zapisyvat-soderzhimoe-bufera-obmena","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/administrirovanie\/sysmon-teper-mozhet-zapisyvat-soderzhimoe-bufera-obmena","title":{"rendered":"Sysmon kan nu registrera inneh\u00e5llet i urklippet","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Om version 12 av Sysmon meddelades den 17 september p\u00e5 <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.microsoft.com\/en-us\/sysinternals\/\">Sysinternals-sidan<\/a><\/noindex>. Faktiskt sl\u00e4pptes nya versioner av Process Monitor och ProcDump samma dag. I den h\u00e4r artikeln kommer jag att ber\u00e4tta om den centrala och n\u00e5got kontroversiella nyheten i version 12 av Sysmon \u2014 h\u00e4ndelsetypen med Event ID 24, d\u00e4r anv\u00e4ndningen av urklipp loggas.<\/p>\n<p><img decoding=\"async\" alt=\"Sysmon kan nu registrera inneh\u00e5llet i urklippet\" src=\"\/wp-content\/uploads\/2020\/09\/3e9939a4f6bce70e6b2c3be9d72454c1.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nInformationen fr\u00e5n den h\u00e4r h\u00e4ndelsetypen \u00f6ppnar nya m\u00f6jligheter att kontrollera misst\u00e4nkt aktivitet (och \u00e4ven nya s\u00e5rbarheter). S\u00e5ledes kan du f\u00f6rst\u00e5 vem, varifr\u00e5n och vad exakt som f\u00f6rs\u00f6ktes kopieras. Under rubriken finner du beskrivningar av vissa f\u00e4lt i den nya h\u00e4ndelsen och ett par anv\u00e4ndningsfall.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nDen nya h\u00e4ndelsen inneh\u00e5ller f\u00f6ljande f\u00e4lt:<\/p>\n<p><b>Bild:<\/b> processen vars data har skrivits till urklippet.<br \/>\n<b>Session:<\/b> sessionen i vilken skrivningen till urklippet genomf\u00f6rdes. Detta kan vara system(0) <br \/>\n vid arbete i interaktivt eller fj\u00e4rrl\u00e4ge osv.<br \/>\n<b>Klientinfo:<\/b> inneh\u00e5ller anv\u00e4ndarnamnet f\u00f6r sessionen, och i fallet med fj\u00e4rrsession \u2014 det ursprungliga v\u00e4rdnamnet och IP-adressen, om dessa data \u00e4r tillg\u00e4ngliga.<br \/>\n<b>Hashar:<\/b> best\u00e4mmer namnet p\u00e5 filen d\u00e4r den kopierade texten sparades (motsvarande h\u00e4ndelser av typen FileDelete).<br \/>\n<b>Arkiverad:<\/b> status om texten fr\u00e5n urklippet har sparats i Sysmons arkivkatalog.<\/p>\n<p>De tv\u00e5 sista f\u00e4lten v\u00e4cker oro. Det faktum \u00e4r att eftersom version 11 kan Sysmon (med l\u00e4mpliga inst\u00e4llningar) spara olika data i sin arkivkatalog. Till exempel loggar Event ID 23 h\u00e4ndelser relaterade till filborttagning och kan spara dessa i samma arkivkatalog. F\u00f6r filnamn som skapas som resultat av arbete med urklippet l\u00e4ggs taggen CLIP till. Sj\u00e4lva filerna inneh\u00e5ller de exakta data som kopierades till urklippet.<\/p>\n<p>                        <b class=\"spoiler_title\">S\u00e5 h\u00e4r ser den sparade filen ut<\/b><br \/>\n                        <img decoding=\"async\" alt=\"Sysmon kan nu registrera inneh\u00e5llet i urklippet\" src=\"\/wp-content\/uploads\/2020\/09\/2a3989b724a06d19bcdb8c0d35294e71.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\nSparande till fil aktiveras vid installation. Det g\u00e5r att st\u00e4lla in vitlistor f\u00f6r processer s\u00e5 att text inte kommer att sparas.<\/p>\n<p>                        <b class=\"spoiler_title\">S\u00e5 h\u00e4r ser installationen av Sysmon ut med en l\u00e4mplig inst\u00e4llning av arkivkatalog:<\/b><br \/>\n                        <img decoding=\"async\" alt=\"Sysmon kan nu registrera inneh\u00e5llet i urklippet\" src=\"\/wp-content\/uploads\/2020\/09\/804bc7475d92886bc7d591e4ccb20eb7.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\nH\u00e4r tycker jag att det \u00e4r v\u00e4rt att n\u00e4mna l\u00f6senordshanterare som ocks\u00e5 anv\u00e4nder urklippet. Att ha Sysmon i systemet med en l\u00f6senordshanterare g\u00f6r att du (eller en angripare) kan f\u00e5nga dessa l\u00f6senord. Om vi antar att du vet vilken process som allokerar den kopierade texten (och det \u00e4r inte alltid l\u00f6senordshanterarens process, det kan vara n\u00e5gon svchost), kan du l\u00e4gga till detta undantag i vitlistan och inte spara.<\/p>\n<p>Kanske visste du inte, men text fr\u00e5n urklipp f\u00e5ngas av den fj\u00e4rrserver som aktiveras n\u00e4r du v\u00e4xlar till den i RDP-sessionl\u00e4ge. Om du har n\u00e5got i urklippet och v\u00e4xlar mellan RDP-sessioner, kommer denna information att resa med dig.<\/p>\n<p>L\u00e5t oss sammanfatta Sysmons m\u00f6jligheter att hantera urklipp.<\/p>\n<p>Registreras:<\/p>\n<ul>\n<li>Textcopy av den insatta texten via RDP och lokalt;<\/li>\n<li>Dataf\u00e5ngst fr\u00e5n urklipp av olika verktyg\/processer;<\/li>\n<li>Kopiera\/klistra in text till\/fr\u00e5n en lokal virtuell maskin, \u00e4ven om den h\u00e4r texten \u00e4nnu inte har klistrats in.<\/li>\n<\/ul>\n<p>\nRegistreras inte:<\/p>\n<ul>\n<li>Kopiera\/klistra in filer till\/fr\u00e5n en lokal virtuell maskin;<\/li>\n<li>Kopiera\/klistra in filer via RDP<\/li>\n<li>Ond programvara som f\u00e5ngar ditt urklipp skriver bara till sj\u00e4lva urklippet.<\/li>\n<\/ul>\n<p>\nTrots sitt tvetydiga inneh\u00e5ll g\u00f6r denna typ av h\u00e4ndelser det m\u00f6jligt att \u00e5terskapa angriparens handlingsm\u00f6nster och hj\u00e4lper till att identifiera tidigare otillg\u00e4ngliga data f\u00f6r att skapa post mortem efter attacker. Om inspelning av inneh\u00e5llet i urklippet \u00e4r aktiverad \u00e4r det viktigt att registrera varje tillg\u00e5ng till arkivkatalogen och uppt\u00e4cka potentiellt farliga (initierade av n\u00e5got annat \u00e4n sysmon.exe).<\/p>\n<p>F\u00f6r registrering, analys och reaktion p\u00e5 ovanst\u00e5ende h\u00e4ndelser kan verktyget anv\u00e4ndas <noindex><a rel=\"nofollow\" href=\"https:\/\/gals.software\/vendors\/quest\/intrust\">InTrust<\/a><\/noindex>, vilket kombinerar alla tre tillv\u00e4gag\u00e5ngss\u00e4tten och dessutom \u00e4r ett effektivt centraliserat lagringsutrymme f\u00f6r alla insamlade r\u00e5data. Vi kan konfigurera dess integration med popul\u00e4ra SIEM-system f\u00f6r att minimera kostnaderna f\u00f6r deras licensiering genom att \u00f6verf\u00f6ra bearbetning och lagring av r\u00e5data till InTrust.<\/p>\n<p>F\u00f6r att l\u00e4ra dig mer om InTrust, l\u00e4s v\u00e5ra tidigare artiklar eller <noindex><a rel=\"nofollow\" href=\"https:\/\/gals.software\/vendors\/quest\/intrust#feedback\">l\u00e4mna en f\u00f6rfr\u00e5gan i kontaktformul\u00e4ret<\/a><\/noindex>.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/512908\/\">Hur man minskar \u00e4gandekostnaden f\u00f6r SIEM-system och varf\u00f6r Central Log Management (CLM) beh\u00f6vs<\/a><\/noindex> <\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/513714\/\">Aktivera insamling av h\u00e4ndelser f\u00f6r att uppt\u00e4cka misst\u00e4nkta processer i Windows och identifiera hot med hj\u00e4lp av Quest InTrust<\/a><\/noindex><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/513208\/\">Hur InTrust kan hj\u00e4lpa till att minska antalet misslyckade inloggningsf\u00f6rs\u00f6k via RDP<\/a><\/noindex><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/474574\/\">Identifierar ransomware-attacker, f\u00e5r \u00e5tkomst till dom\u00e4nkontrollern och f\u00f6rs\u00f6ker motverka dessa attacker<\/a><\/noindex><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/447522\/\">Vad kan vara anv\u00e4ndbart att h\u00e4mta fr\u00e5n loggarna p\u00e5 en arbetsstation baserad p\u00e5 Windows<\/a><\/noindex> (popul\u00e4r artikel)<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/447512\/\">Och vem gjorde det? Vi automatiserar gransningen av informationss\u00e4kerheten<\/a><\/noindex><br \/>\n<br \/>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/galssoftware\/blog\/520042\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e \u0440\u0435\u043b\u0438\u0437\u0435 12 \u0432\u0435\u0440\u0441\u0438\u0438 Sysmon \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 17 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 Sysinternals. \u041d\u0430 \u0441\u0430\u043c\u043e\u043c \u0434\u0435\u043b\u0435 \u0432 \u044d\u0442\u043e\u0442 \u0434\u0435\u043d\u044c \u0432\u044b\u0448\u043b\u0438 \u0442\u0430\u043a\u0436\u0435 \u043d\u043e\u0432\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 Process Monitor \u0438 ProcDump. \u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u044f \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0443 \u043e \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u043c \u0438 \u043d\u0435\u043e\u0434\u043d\u043e\u0437\u043d\u0430\u0447\u043d\u043e\u043c \u043d\u043e\u0432\u043e\u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0438 12 \u0432\u0435\u0440\u0441\u0438\u0438 Sysmon \u2014 \u0442\u0438\u043f\u0435 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u0441 Event ID 24, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043b\u043e\u0433\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 \u0431\u0443\u0444\u0435\u0440\u043e\u043c \u043e\u0431\u043c\u0435\u043d\u0430. \u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u0438\u0437 \u044d\u0442\u043e\u0433\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":94863,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-94862","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e \u0440\u0435\u043b\u0438\u0437\u0435 12 \u0432\u0435\u0440\u0441\u0438\u0438 Sysmon \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 17 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 Sysinternals.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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