{"id":285,"date":"2021-05-28T11:16:26","date_gmt":"2021-05-28T16:16:26","guid":{"rendered":"https:\/\/www.searchevolution.com\/security\/?p=285"},"modified":"2021-07-28T16:35:08","modified_gmt":"2021-07-28T21:35:08","slug":"utilitaire-smbclient","status":"publish","type":"post","link":"https:\/\/www.searchevolution.com\/security\/2021\/05\/28\/utilitaire-smbclient\/","title":{"rendered":"Utilitaire smbclient"},"content":{"rendered":"<p>Souvent, le service SMB (Service Message Block) est disponible via le port TCP 445 lors d&#8217;une analyse. SMB est utilis\u00e9 pour le partage de fichiers que ce soit sur Windows et Linux. Malheureusement, ce service poss\u00e8de plusieurs vuln\u00e9rabilit\u00e9s connus. L&#8217;erreur la plus fr\u00e9quente est un erreur de configuration qui permet \u00e0 n&#8217;importe qui sans se connecter et lire les dossiers partag\u00e9s avec le droit en lecture (NULL session)<\/p>\n<p>Liste des partages<br \/>\n<pre><code>\nsmbclient -L &lt;IP de la cible&gt; #NULL session permise\nsmbclient -L &lt;IP de la cible&gt; -U &lt;Usager&gt; #usager sp\u00e9cifi\u00e9\n<\/code><\/pre><\/p>\n<p>Utilisation de la r\u00e9cursivit\u00e9. Cela permet d&#8217;avoir une liste de fichiers du r\u00e9pertoire et de ces sous-r\u00e9pertoires . Le t\u00e9l\u00e9chargement\/t\u00e9l\u00e9versement d&#8217;un r\u00e9pertoire est facilit\u00e9 lui aussi avec la r\u00e9cursivit\u00e9.<br \/>\n<pre><code>\n# Utilisation de la r\u00e9cursivit\u00e9\nsmbclient &#039;\\\\&lt;Cible IP&gt;\\&lt;R\u00e9pertoire&gt;&#039; -U &lt;Usager&gt;\nsmb: \\&gt; recurse&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # Activer la r\u00e9cursivit\u00e9\nsmb: \\&gt; ls&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;# Liste tout le r\u00e9pertoire ainsi que les sous-r\u00e9pertoires\nsmb: \\&gt; mget &lt;R\u00e9pertoire \u00e0 t\u00e9l\u00e9charger&gt;\nsmb: \\&gt; mput &lt;R\u00e9pertoire \u00e0 t\u00e9l\u00e9verser&gt;\nsmb: \\&gt; recurse&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # D\u00e9sactivation de la r\u00e9cursivit\u00e9\nsmb: \\&gt; help #peremet d&#039;avoir une liste des commandes support\u00e9es\n<\/code><\/pre><\/p>\n<p>Vous pouvez v\u00e9rifier les attributs de fichiers qui sont enregistr\u00e9s sur les partages SMB avec la commande Allinfo. Les attributs sont des m\u00e9ta-donn\u00e9es enregistr\u00e9s sur le syst\u00e8me de fichiers. Parfois, vous pouvez voir de l&#8217;information importante par l&#8217;inspection de celles-ci. Selon le syst\u00e8me de fichiers, le fichier peut \u00eatre de taille nulle (0 octet); par contre, l&#8217;analyse approfondie permet de d\u00e9terminer le type du fichier et de retrouver de l&#8217;information cach\u00e9e.<br \/>\n<pre><code>\nsmbclient &#039;\\\\&lt;Cible IP&gt;\\&lt;R\u00e9pertoire&gt;&#039; -U &lt;Usager&gt;\nsmb: \\&gt; allinfo &lt;Fichier&gt; #voir aussi l&#039;utilitaire streams des outils de sysinternals\nsmb: \\&gt; get &lt;Fichier&gt;:&lt;Nom de l&#039;attribut&gt;<\/code><\/pre><\/p>\n<p>Vous pouvez aussi utiliser l&#8217;utilitaire smbget pour t\u00e9l\u00e9charger tous les fichiers d&#8217;un partage<br \/>\n<code>smbget -R smb:\/\/&lt;ip&gt;\/lepartage<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Souvent, le service SMB (Service Message Block) est disponible via le port TCP 445 lors d&#8217;une analyse. SMB est utilis\u00e9 pour le partage de fichiers que ce soit sur Windows et Linux. Malheureusement, ce service poss\u00e8de plusieurs vuln\u00e9rabilit\u00e9s connus. L&#8217;erreur la plus fr\u00e9quente est un erreur de configuration qui permet \u00e0 n&#8217;importe qui sans se connecter et lire les dossiers partag\u00e9s avec le droit en lecture (NULL session) Liste des partages smbclient -L &lt;IP de la cible&gt; #NULL session permise smbclient -L &lt;IP de la cible&gt; -U &lt;Usager&gt; #usager sp\u00e9cifi\u00e9 Utilisation de la r\u00e9cursivit\u00e9. Cela permet d&#8217;avoir une liste de <\/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":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Utilitaire smbclient - 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\/28\/utilitaire-smbclient\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Utilitaire smbclient - S\u00e9curiser votre site\" \/>\n<meta property=\"og:description\" content=\"Souvent, le service SMB (Service Message Block) est disponible via le port TCP 445 lors d&#8217;une analyse. SMB est utilis\u00e9 pour le partage de fichiers que ce soit sur Windows et Linux. Malheureusement, ce service poss\u00e8de plusieurs vuln\u00e9rabilit\u00e9s connus. L&#8217;erreur la plus fr\u00e9quente est un erreur de configuration qui permet \u00e0 n&#8217;importe qui sans se connecter et lire les dossiers partag\u00e9s avec le droit en lecture (NULL session) Liste des partages smbclient -L &lt;IP de la cible&gt; #NULL session permise smbclient -L &lt;IP de la cible&gt; -U &lt;Usager&gt; #usager sp\u00e9cifi\u00e9 Utilisation de la r\u00e9cursivit\u00e9. 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