{"guid":"50bbed28-7674-f414-de7f-14f6655dd1ab","title":"Backdoors mit Bordmitteln","subtitle":null,"slug":"ds2013-5233-backdoors-mit-bordmitteln","link":"https://datenspuren.de/2013/fahrplan/events/5233.html","description":"Lokale und Remote-Zugänge mit Bordmitteln in ein Linux-System einbauen und verstecken.\n\nNachdem ein Linux-System übernommen wurde, schafft sich der Angreifer oft eine (versteckte) Möglichkeit, um später weiterhin Zugang zum System zu bekommen. Diese “Backdoors” werden üblicherweise durch ausgetauschte System-Tools oder durch Änderungen auf Kernel-Ebene versteckt.\n\nWas aber, wenn nur die vorinstallierten Bordmittel zur Verfügung stehen\nund für den Einbau der Backdoors gerade mal 15 Minuten reichen\nmüssen?\nDiese Situation wird auf dem LinuxTag-Hackingcontest simuliert.\n\nDer Vortrag zeigt mehrere lokale und remote Root-Zugänge und setzt dabei zum Teil abenteuerliche Triggermechanismen ein.","original_language":"deu","persons":["Christian Perle"],"view_count":2,"promoted":false,"date":"2013-09-07T16:00:00.000+02:00","release_date":"2026-07-03T00:00:00.000+02:00","updated_at":"2026-07-03T10:30:06.289+02:00","tags":["5233","2013","ds2013","Technik","Kleiner Saal","ds2013-deu"],"length":3254,"duration":3254,"thumb_url":"https://static.media.ccc.de/media/events/datenspuren/2013/5233-50bbed28-7674-f414-de7f-14f6655dd1ab.jpg","poster_url":"https://static.media.ccc.de/media/events/datenspuren/2013/5233-50bbed28-7674-f414-de7f-14f6655dd1ab_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/datenspuren/2013/5233-50bbed28-7674-f414-de7f-14f6655dd1ab.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/datenspuren/2013/5233-50bbed28-7674-f414-de7f-14f6655dd1ab.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/ds2013-5233-backdoors-mit-bordmitteln","url":"https://api.media.ccc.de/public/events/50bbed28-7674-f414-de7f-14f6655dd1ab","conference_title":"Datenspuren 2013","conference_url":"https://api.media.ccc.de/public/conferences/ds2013","related":[],"recordings":[{"length":3254,"mime_type":"video/mp4","language":"deu","filename":"datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":720,"height":576,"updated_at":"2026-07-03T00:27:21.179+02:00","label":"deu 576p","size":137,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2013/h264-hd/datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_hd.mp4","url":"https://api.media.ccc.de/public/recordings/101786","event_url":"https://api.media.ccc.de/public/events/50bbed28-7674-f414-de7f-14f6655dd1ab","conference_url":"https://api.media.ccc.de/public/conferences/ds2013"},{"length":3254,"mime_type":"video/mp4","language":"deu","filename":"datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2026-07-03T00:30:00.866+02:00","label":"deu 576p","size":121,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2013/h264-sd/datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_sd.mp4","url":"https://api.media.ccc.de/public/recordings/101787","event_url":"https://api.media.ccc.de/public/events/50bbed28-7674-f414-de7f-14f6655dd1ab","conference_url":"https://api.media.ccc.de/public/conferences/ds2013"},{"length":3254,"mime_type":"audio/mpeg","language":"deu","filename":"datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2026-07-03T00:31:04.268+02:00","label":"deu","size":50,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2013/mp3/datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/101789","event_url":"https://api.media.ccc.de/public/events/50bbed28-7674-f414-de7f-14f6655dd1ab","conference_url":"https://api.media.ccc.de/public/conferences/ds2013"},{"length":3254,"mime_type":"video/webm;codecs=av01","language":"deu","filename":"datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_av1-hd.webm","state":"new","folder":"av1-hd","high_quality":true,"width":720,"height":576,"updated_at":"2026-07-03T00:36:29.739+02:00","label":"deu 576p","size":114,"recording_url":"https://cdn.media.ccc.de/events/datenspuren/2013/av1-hd/datenspuren-import-5233-deu-Backdoors_mit_Bordmitteln_av1-hd.webm","url":"https://api.media.ccc.de/public/recordings/101795","event_url":"https://api.media.ccc.de/public/events/50bbed28-7674-f414-de7f-14f6655dd1ab","conference_url":"https://api.media.ccc.de/public/conferences/ds2013"}]}