{"id":38352,"date":"2019-10-31T22:23:11","date_gmt":"2019-10-31T19:23:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1\/"},"modified":"2019-10-31T22:23:11","modified_gmt":"2019-10-31T19:23:11","slug":"ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1","title":{"rendered":"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/be6f38e85bd8800c338cbe0059e2546a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nU ovom \u010dlanku je 5 prvih zadataka, upoznajemo osnove analize prometa razli\u010ditih mre\u017enih protokola.<\/p>\n<p><b class=\"spoiler_title\">Organizacione informacije<\/b>Posebno za one koji \u017eele da u\u010de ne\u0161to novo i razvijaju se u bilo kojoj oblasti informati\u010dke i ra\u010dunalne sigurnosti, pisat \u0107u i govoriti o sljede\u0107im kategorijama:<\/p>\n<ul>\n<li>PWN;<\/li>\n<li>kriptografija (Crypto);<\/li>\n<li>mre\u017ene tehnologije (Network);<\/li>\n<li>reverse in\u017eenjering (Reverse Engineering);<\/li>\n<li>steganografija (Stegano);<\/li>\n<li>prona\u0107i i eksploatirati WEB ranjivosti.<\/li>\n<\/ul>\n<p>\nUz to, podijelit \u0107u svoje iskustvo u ra\u010dunalnoj forenzici, analizi malvera i firmware-a, napadima na be\u017ei\u010dne mre\u017ee i lokalne ra\u010dunarske mre\u017ee, provo\u0111enju pentestova i pisanju eksploita.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nDa biste bili u toku s novim \u010dlancima, softverom i drugim informacijama, stvorio sam <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/RalfHackerChannel\">kanal na Telegramu<\/a><\/noindex> i <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/RalfHackerPublicChat\">grupu za raspravu o svim pitanjima<\/a><\/noindex> u oblasti informacione i komunikacione bezbednosti. Tako\u0111e, va\u0161e li\u010dne molbe, pitanja, predlozi i preporuke <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/hackerralf8\">bi\u0107u li\u010dno razmotrene i svima \u0107u odgovoriti<\/a><\/noindex>.<\/p>\n<p>Sve informacije su predstavljene isklju\u010divo u obrazovne svrhe. Autor ovog dokumenta ne preuzima nikakvu odgovornost za bilo kakvu \u0161tetu koju bi neko mogao pretrpeti kao rezultat kori\u0161\u0107enja znanja i metoda dobijenih prou\u010davanjem ovog dokumenta.<\/p>\n<h2>FTP autentifikacija<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/9cdef3c1e7d602c7c2ff64b582b1f5a7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nU ovom zadatku se tra\u017ei da prona\u0111emo autentifikacione podatke iz saobra\u0107aja. Pri tome se spominje da je rije\u010d o FTP-u. Otvorimo PCAP datoteku u Wireshark-u.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/6b10b33d2a1799a9a73b9fad09bc2c78.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPrvo \u0107emo filtrirati podatke, jer nam je potreban samo FTP protokol.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/a07a9c5c1302071167bae4939fd77f0a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSada \u0107emo prikazati promet po tokovima. Za to, nakon \u0161to desnim kliknemo, odabiremo Follow TCP Stream.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/aa122540b6a4d66d0d099e456ce11e3d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVidimo korisni\u010dko ime i lozinku korisnika.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/719e18e1845197faf338aa1067dfe932.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Telnet autentifikacija<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/a43ab70c86a430bbd6f07ddb9c6b6256.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nZadatak je sli\u010dan prethodnom.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/7f7b57f8fde3622b56226830b1b1073d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nUzimao sam korisni\u010dko ime i lozinku.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/aa2ede6c0902099afb9490f7a8e7a27a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Ethernet okvir<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/ede3537ffecc980c627e73bf9495a1e9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDaju nam hex prikaz Ethernet paketa i tra\u017ee da prona\u0111emo poverljive podatke. \u010cinjenica je da su protokoli jedan unutar drugog. Dakle, u podru\u010dju podataka Ethernet protokola smje\u0161ten je IP protokol, u kojem je TCP protokol, a u njemu HTTP, gde su i podaci. Dakle, potrebno je samo dekodirati simbole iz hex oblika.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/ee1537f3fc0ea0aac590702a6ce02094.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nU HTTP zaglavlju postoje podaci o Basic autentifikaciji. Dekodiramo ih iz Base64.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/5771ce2031867a94ddccd02b0a7dcef2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Twitter autentifikacija<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/81d8a54362f496ba5a86e55fe2c3f908.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTra\u017ee nas da prona\u0111emo lozinku za ulazak na Twitter iz saobra\u0107aja.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/aa3687ae84c3d834fa75abbb95008a2d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTamo je samo jedan paket. Otvorimo ga dvostrukim klikom.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/a58aa247595d18646ab63a9ac9955c14.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPonovo vidimo podatke o Basic autentifikaciji.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/75c1c3476fbd55d1a33f497654584098.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPronalazimo korisni\u010dko ime i lozinku.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/f928c0cf65aef8ff31f80d98dd2ec93f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Bluetooth nepoznata datoteka<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/4e3cbdc08999a467a2707f64919c540c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nGovore pri\u010du i tra\u017ee da prona\u0111u ime i MAC adresu telefona. Otvorimo datoteku u Wireshark-u. Prona\u0111imo red Remote Name Request Complete.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/acd0c07af8de63d878b4130b94a2d13b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPogledajmo polja ovog paketa, gde su prikazani MAC adresa i ime telefona.<\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/fd8581b694763c64dedf8ebb9ab173bd.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nUzmemo he\u0161 i predamo. <\/p>\n<p><img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/6bcbc271f55f06e28237d334a55205a4.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Ethernet, FTP, Telnet, HTTP, Bluetooth \u2013 osnove analize prometa. Rje\u0161avanje zadataka na mre\u017ei s r0\u043e\u0442-\u043ci. Dio 1.\" src=\"\/wp-content\/uploads\/2019\/09\/1d30bc617b6bd9f4e1ae633b40d938c6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNa ovom zadatku zavr\u0161avamo analizu lak\u0161ih zadataka na temu mre\u017ea (vi\u0161e za po\u010detnike). Dalje ide te\u017ee... Mo\u017eete nam se pridru\u017eiti u <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/RalfHackerChannel\">Telegram<\/a><\/noindex>. Tamo mo\u017eete predlagati svoje teme i u\u010destvovati u glasovanju za izbor teme za naredne \u010dlanke.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/468117\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 5 \u043f\u0435\u0440\u0432\u044b\u0445 \u0437\u0430\u0434\u0430\u043d\u0438\u0439, \u0443\u0437\u043d\u0430\u0435\u043c \u043e\u0441\u043d\u043e\u0432\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432. \u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f\u0421\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0434\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e \u0445\u043e\u0447\u0435\u0442 \u0443\u0437\u043d\u0430\u0432\u0430\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u043d\u043e\u0432\u043e\u0435 \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u043b\u044e\u0431\u043e\u0439 \u0438\u0437 \u0441\u0444\u0435\u0440 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0438 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u044f \u0431\u0443\u0434\u0443 \u043f\u0438\u0441\u0430\u0442\u044c \u0438 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f\u0445: PWN; \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u044f (Crypto); c\u0435\u0442\u0435\u0432\u044b\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 (Network); \u0440\u0435\u0432\u0435\u0440\u0441 (Reverse Engineering); \u0441\u0442\u0435\u0433\u0430\u043d\u043e\u0433\u0440\u0430\u0444\u0438\u044f (Stegano); \u043f\u043e\u0438\u0441\u043a \u0438 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f WEB-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28788,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38352","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=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"hr_HR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 \u043e\u0441\u043d\u043e\u0432\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u0437\u0430\u0434\u0430\u0447 \u043d\u0430 \u0441\u0435\u0442\u0438 \u0441 r0\u043e\u0442-\u043ci. \u0427\u0430\u0441\u0442\u044c 1 | ProHoster\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/ethernet-ftp-telnet-http-bluetooth-osnovy-analiza-trafika-reshenie-zadach-na-seti-s-r0ot-mi-chast-1\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:23:11+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:23:11+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Ethernet, FTP, Telnet, HTTP, Bluetooth \u2014 osnove analize prometa. 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