{"id":178,"date":"2021-05-24T12:06:34","date_gmt":"2021-05-24T17:06:34","guid":{"rendered":"https:\/\/www.searchevolution.com\/security\/?p=178"},"modified":"2021-07-13T20:45:27","modified_gmt":"2021-07-14T01:45:27","slug":"steganographie","status":"publish","type":"post","link":"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/","title":{"rendered":"St\u00e9ganographie"},"content":{"rendered":"

La st\u00e9ganographie permet de cacher un fichier dans un autre fichier (wav,jpg). Pour se faire, un utilitaire existe et permet aussi d’encrypter le fichier : steghide<\/strong><\/p>\n

\nsteghide embed -cf photo.jpeg -ef tohide.txt\nsteghide extract -sf .\/photo.jpeg inary\nsteghide info .\/photo.jpeg<\/code><\/pre><\/p>\n
Exiftool<\/strong> permet d’avoir l’information sur l’emplacement <\/p>\n
exiftool somephoto.png : permet d’avoir de l’information : lieu o\u00f9 la photo a \u00e9t\u00e9 prise, date, r\u00e9solution, marque de l’appareil photo, …<\/p>\n
Un autre utilitaire existe pour cacher des messages dans un fichier wav
\n<a href="https:\/\/github.com\/hacksudo\/SoundStegno">SoundStegno<\/a><\/code><\/p>\n
foremost -t zip rocker.png<\/p>\n
Tenter d’extraire et de d\u00e9crypter le contenu cach\u00e9 d’un fichier jpeg avec stegbrute<\/a>
\n
\nstegbrute -f image.jpg -w wordlist.txt -x results.txt\n<\/code><\/pre><\/p>\n
Autres outils:
\n
\nbinwalk\nStrings\nSteghide\nExiftool\nStegsolve\nExiv2\nBinwalk\nZsteg\nForemost\nstegcracker (maintenant stegseek)\n<\/code><\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"
La st\u00e9ganographie permet de cacher un fichier dans un autre fichier (wav,jpg). Pour se faire, un utilitaire existe et permet aussi d’encrypter le fichier : steghide steghide embed -cf photo.jpeg -ef tohide.txt steghide extract -sf .\/photo.jpeg inary steghide info .\/photo.jpeg Exiftool permet d’avoir l’information sur l’emplacement exiftool somephoto.png : permet d’avoir de l’information : lieu o\u00f9 la photo a \u00e9t\u00e9 prise, date, r\u00e9solution, marque de l’appareil photo, … Un autre utilitaire existe pour cacher des messages dans un fichier wav <a href="https:\/\/github.com\/hacksudo\/SoundStegno">SoundStegno<\/a> foremost -t zip rocker.png Tenter d’extraire et de d\u00e9crypter le contenu cach\u00e9 d’un fichier jpeg avec stegbrute stegbrute <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"yoast_head":"\nSt\u00e9ganographie - S\u00e9curiser votre site<\/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.searchevolution.com\/security\/2021\/05\/24\/steganographie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"St\u00e9ganographie - S\u00e9curiser votre site\" \/>\n<meta property=\"og:description\" content=\"La st\u00e9ganographie permet de cacher un fichier dans un autre fichier (wav,jpg). Pour se faire, un utilitaire existe et permet aussi d’encrypter le fichier : steghide steghide embed -cf photo.jpeg -ef tohide.txt steghide extract -sf .\/photo.jpeg inary steghide info .\/photo.jpeg Exiftool permet d’avoir l’information sur l’emplacement exiftool somephoto.png : permet d’avoir de l’information : lieu o\u00f9 la photo a \u00e9t\u00e9 prise, date, r\u00e9solution, marque de l’appareil photo, … Un autre utilitaire existe pour cacher des messages dans un fichier wav <a href="https:\/\/github.com\/hacksudo\/SoundStegno">SoundStegno<\/a> foremost -t zip rocker.png Tenter d’extraire et de d\u00e9crypter le contenu cach\u00e9 d’un fichier jpeg avec stegbrute stegbrute\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/\" \/>\n<meta property=\"og:site_name\" content=\"S\u00e9curiser votre site\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-24T17:06:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-14T01:45:27+00:00\" \/>\n<meta name=\"author\" content=\"Germain\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Germain\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimation du temps de lecture\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/\",\"url\":\"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/\",\"name\":\"St\u00e9ganographie - S\u00e9curiser votre site\",\"isPartOf\":{\"@id\":\"https:\/\/www.searchevolution.com\/security\/#website\"},\"datePublished\":\"2021-05-24T17:06:34+00:00\",\"dateModified\":\"2021-07-14T01:45:27+00:00\",\"author\":{\"@id\":\"https:\/\/www.searchevolution.com\/security\/#\/schema\/person\/e1318e0782dc5a7d6b03471347f881d8\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/#breadcrumb\"},\"inLanguage\":\"fr-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.searchevolution.com\/security\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"St\u00e9ganographie\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.searchevolution.com\/security\/#website\",\"url\":\"https:\/\/www.searchevolution.com\/security\/\",\"name\":\"S\u00e9curiser votre site\",\"description\":\"Conna\u00eetre son ennemi\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.searchevolution.com\/security\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-CA\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.searchevolution.com\/security\/#\/schema\/person\/e1318e0782dc5a7d6b03471347f881d8\",\"name\":\"Germain\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-CA\",\"@id\":\"https:\/\/www.searchevolution.com\/security\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6a203854efbec130dd49471ccbba1abc?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6a203854efbec130dd49471ccbba1abc?s=96&d=mm&r=g\",\"caption\":\"Germain\"},\"sameAs\":[\"https:\/\/www.searchevolution.com\/security\"],\"url\":\"https:\/\/www.searchevolution.com\/security\/author\/germain\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"St\u00e9ganographie - S\u00e9curiser votre site","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.searchevolution.com\/security\/2021\/05\/24\/steganographie\/","og_locale":"fr_CA","og_type":"article","og_title":"St\u00e9ganographie - S\u00e9curiser votre site","og_description":"La st\u00e9ganographie permet de cacher un fichier dans un autre fichier (wav,jpg). 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