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fichier suspect détecté via rkhunter

    18 octobre 2016 à 19:05:24

    Bonjour,

    voici le retour que j 'obtiens de rkhunter. Quelqu'un peut me dire si j ai un problème?

    marc@marc-Inspiron-1545:~$ sudo rkhunter --checkall --report-warnings-only
    [sudo] Mot de passe de marc : 
    Warning: The file '/usr/sbin/sshd' does not exist on the system, but it is present in the 'rkhunter.dat' file.
    Warning: The command '/usr/bin/lwp-request' has been replaced by a script: /usr/bin/lwp-request: a /usr/bin/perl -w script, ASCII text executable
    Warning: The SSH and rkhunter configuration options should be the same:
             SSH configuration option 'PermitRootLogin': prohibit-password
             Rkhunter configuration option 'ALLOW_SSH_ROOT_USER': no
    Warning: Suspicious file types found in /dev:
             /dev/shm/pulse-shm-373926045: data
             /dev/shm/pulse-shm-993526091: data
             /dev/shm/pulse-shm-1201614325: data
             /dev/shm/pulse-shm-3151959120: data
             /dev/shm/pulse-shm-2379779262: data
             /dev/shm/pulse-shm-2232728287: data
             /dev/shm/pulse-shm-21907826: data
             /dev/shm/pulse-shm-4073403899: data
             /dev/shm/pulse-shm-1414130538: data
             /dev/shm/pulse-shm-3845534300: data
    marc@marc-Inspiron-1545:~$ 
    
    
    root@marc-Inspiron-1545:~# rkhunter -c
    [ Rootkit Hunter version 1.4.2 ]
    
    Checking system commands...
    
      Performing 'strings' command checks
        Checking 'strings' command                               [ OK ]
    
      Performing 'shared libraries' checks
        Checking for preloading variables                        [ None found ]
        Checking for preloaded libraries                         [ None found ]
        Checking LD_LIBRARY_PATH variable                        [ Not found ]
    
      Performing file properties checks
        Checking for prerequisites                               [ OK ]
        /usr/sbin/adduser                                        [ OK ]
        /usr/sbin/chroot                                         [ OK ]
        /usr/sbin/cron                                           [ OK ]
        /usr/sbin/groupadd                                       [ OK ]
        /usr/sbin/groupdel                                       [ OK ]
        /usr/sbin/groupmod                                       [ OK ]
        /usr/sbin/grpck                                          [ OK ]
        /usr/sbin/nologin                                        [ OK ]
        /usr/sbin/pwck                                           [ OK ]
        /usr/sbin/rsyslogd                                       [ OK ]
        /usr/sbin/sshd                                           [ Warning ]
        /usr/sbin/tcpd                                           [ OK ]
        /usr/sbin/useradd                                        [ OK ]
        /usr/sbin/userdel                                        [ OK ]
        /usr/sbin/usermod                                        [ OK ]
        /usr/sbin/vipw                                           [ OK ]
        /usr/sbin/unhide                                         [ OK ]
        /usr/sbin/unhide-linux                                   [ OK ]
        /usr/sbin/unhide-posix                                   [ OK ]
        /usr/sbin/unhide-tcp                                     [ OK ]
        /usr/bin/awk                                             [ OK ]
        /usr/bin/basename                                        [ OK ]
        /usr/bin/chattr                                          [ OK ]
        /usr/bin/curl                                            [ OK ]
        /usr/bin/cut                                             [ OK ]
        /usr/bin/diff                                            [ OK ]
        /usr/bin/dirname                                         [ OK ]
        /usr/bin/dpkg                                            [ OK ]
        /usr/bin/dpkg-query                                      [ OK ]
        /usr/bin/du                                              [ OK ]
        /usr/bin/env                                             [ OK ]
        /usr/bin/file                                            [ OK ]
        /usr/bin/find                                            [ OK ]
        /usr/bin/GET                                             [ OK ]
        /usr/bin/groups                                          [ OK ]
        /usr/bin/head                                            [ OK ]
        /usr/bin/id                                              [ OK ]
        /usr/bin/killall                                         [ OK ]
        /usr/bin/last                                            [ OK ]
        /usr/bin/lastlog                                         [ OK ]
        /usr/bin/ldd                                             [ OK ]
        /usr/bin/less                                            [ OK ]
        /usr/bin/locate                                          [ OK ]
        /usr/bin/logger                                          [ OK ]
        /usr/bin/lsattr                                          [ OK ]
        /usr/bin/lsof                                            [ OK ]
        /usr/bin/mail                                            [ OK ]
        /usr/bin/md5sum                                          [ OK ]
        /usr/bin/mlocate                                         [ OK ]
        /usr/bin/newgrp                                          [ OK ]
        /usr/bin/passwd                                          [ OK ]
        /usr/bin/perl                                            [ OK ]
        /usr/bin/pgrep                                           [ OK ]
        /usr/bin/pkill                                           [ OK ]
        /usr/bin/pstree                                          [ OK ]
        /usr/bin/rkhunter                                        [ OK ]
        /usr/bin/rpm                                             [ OK ]
        /usr/bin/runcon                                          [ OK ]
        /usr/bin/sha1sum                                         [ OK ]
        /usr/bin/sha224sum                                       [ OK ]
        /usr/bin/sha256sum                                       [ OK ]
        /usr/bin/sha384sum                                       [ OK ]
        /usr/bin/sha512sum                                       [ OK ]
        /usr/bin/size                                            [ OK ]
        /usr/bin/sort                                            [ OK ]
        /usr/bin/ssh                                             [ OK ]
        /usr/bin/stat                                            [ OK ]
        /usr/bin/strace                                          [ OK ]
        /usr/bin/strings                                         [ OK ]
        /usr/bin/sudo                                            [ OK ]
        /usr/bin/tail                                            [ OK ]
        /usr/bin/telnet                                          [ OK ]
        /usr/bin/test                                            [ OK ]
        /usr/bin/top                                             [ OK ]
        /usr/bin/touch                                           [ OK ]
        /usr/bin/tr                                              [ OK ]
        /usr/bin/uniq                                            [ OK ]
        /usr/bin/users                                           [ OK ]
        /usr/bin/vmstat                                          [ OK ]
        /usr/bin/w                                               [ OK ]
        /usr/bin/watch                                           [ OK ]
        /usr/bin/wc                                              [ OK ]
        /usr/bin/wget                                            [ OK ]
        /usr/bin/whatis                                          [ OK ]
        /usr/bin/whereis                                         [ OK ]
        /usr/bin/which                                           [ OK ]
        /usr/bin/who                                             [ OK ]
        /usr/bin/whoami                                          [ OK ]
        /usr/bin/mawk                                            [ OK ]
        /usr/bin/lwp-request                                     [ Warning ]
        /usr/bin/s-nail                                          [ OK ]
        /usr/bin/x86_64-linux-gnu-size                           [ OK ]
        /usr/bin/x86_64-linux-gnu-strings                        [ OK ]
        /usr/bin/telnet.netkit                                   [ OK ]
        /usr/bin/w.procps                                        [ OK ]
        /sbin/depmod                                             [ OK ]
        /sbin/fsck                                               [ OK ]
        /sbin/ifconfig                                           [ OK ]
        /sbin/ifdown                                             [ OK ]
        /sbin/ifup                                               [ OK ]
        /sbin/init                                               [ OK ]
        /sbin/insmod                                             [ OK ]
        /sbin/ip                                                 [ OK ]
        /sbin/lsmod                                              [ OK ]
        /sbin/modinfo                                            [ OK ]
        /sbin/modprobe                                           [ OK ]
        /sbin/rmmod                                              [ OK ]
        /sbin/route                                              [ OK ]
        /sbin/runlevel                                           [ OK ]
        /sbin/sulogin                                            [ OK ]
        /sbin/sysctl                                             [ OK ]
        /bin/bash                                                [ OK ]
        /bin/cat                                                 [ OK ]
        /bin/chmod                                               [ OK ]
        /bin/chown                                               [ OK ]
        /bin/cp                                                  [ OK ]
        /bin/date                                                [ OK ]
        /bin/df                                                  [ OK ]
        /bin/dmesg                                               [ OK ]
        /bin/echo                                                [ OK ]
        /bin/ed                                                  [ OK ]
        /bin/egrep                                               [ OK ]
        /bin/fgrep                                               [ OK ]
        /bin/fuser                                               [ OK ]
        /bin/grep                                                [ OK ]
        /bin/ip                                                  [ OK ]
        /bin/kill                                                [ OK ]
        /bin/less                                                [ OK ]
        /bin/login                                               [ OK ]
        /bin/ls                                                  [ OK ]
        /bin/lsmod                                               [ OK ]
        /bin/mktemp                                              [ OK ]
        /bin/more                                                [ OK ]
        /bin/mount                                               [ OK ]
        /bin/mv                                                  [ OK ]
        /bin/netstat                                             [ OK ]
        /bin/ping                                                [ OK ]
        /bin/ps                                                  [ OK ]
        /bin/pwd                                                 [ OK ]
        /bin/readlink                                            [ OK ]
        /bin/sed                                                 [ OK ]
        /bin/sh                                                  [ OK ]
        /bin/su                                                  [ OK ]
        /bin/touch                                               [ OK ]
        /bin/uname                                               [ OK ]
        /bin/which                                               [ OK ]
        /bin/kmod                                                [ OK ]
        /bin/systemd                                             [ OK ]
        /bin/systemctl                                           [ OK ]
        /bin/dash                                                [ OK ]
        /lib/systemd/systemd                                     [ OK ]
    
    [Press <ENTER> to continue]
    
    
    Checking for rootkits...
    
      Performing check of known rootkit files and directories
        55808 Trojan - Variant A                                 [ Not found ]
        ADM Worm                                                 [ Not found ]
        AjaKit Rootkit                                           [ Not found ]
        Adore Rootkit                                            [ Not found ]
        aPa Kit                                                  [ Not found ]
        Apache Worm                                              [ Not found ]
        Ambient (ark) Rootkit                                    [ Not found ]
        Balaur Rootkit                                           [ Not found ]
        BeastKit Rootkit                                         [ Not found ]
        beX2 Rootkit                                             [ Not found ]
        BOBKit Rootkit                                           [ Not found ]
        cb Rootkit                                               [ Not found ]
        CiNIK Worm (Slapper.B variant)                           [ Not found ]
        Danny-Boy's Abuse Kit                                    [ Not found ]
        Devil RootKit                                            [ Not found ]
        Dica-Kit Rootkit                                         [ Not found ]
        Dreams Rootkit                                           [ Not found ]
        Duarawkz Rootkit                                         [ Not found ]
        Enye LKM                                                 [ Not found ]
        Flea Linux Rootkit                                       [ Not found ]
        Fu Rootkit                                               [ Not found ]
        Fuck`it Rootkit                                          [ Not found ]
        GasKit Rootkit                                           [ Not found ]
        Heroin LKM                                               [ Not found ]
        HjC Kit                                                  [ Not found ]
        ignoKit Rootkit                                          [ Not found ]
        IntoXonia-NG Rootkit                                     [ Not found ]
        Irix Rootkit                                             [ Not found ]
        Jynx Rootkit                                             [ Not found ]
        KBeast Rootkit                                           [ Not found ]
        Kitko Rootkit                                            [ Not found ]
        Knark Rootkit                                            [ Not found ]
        ld-linuxv.so Rootkit                                     [ Not found ]
        Li0n Worm                                                [ Not found ]
        Lockit / LJK2 Rootkit                                    [ Not found ]
        Mood-NT Rootkit                                          [ Not found ]
        MRK Rootkit                                              [ Not found ]
        Ni0 Rootkit                                              [ Not found ]
        Ohhara Rootkit                                           [ Not found ]
        Optic Kit (Tux) Worm                                     [ Not found ]
        Oz Rootkit                                               [ Not found ]
        Phalanx Rootkit                                          [ Not found ]
        Phalanx2 Rootkit                                         [ Not found ]
        Phalanx2 Rootkit (extended tests)                        [ Not found ]
        Portacelo Rootkit                                        [ Not found ]
        R3dstorm Toolkit                                         [ Not found ]
        RH-Sharpe's Rootkit                                      [ Not found ]
        RSHA's Rootkit                                           [ Not found ]
        Scalper Worm                                             [ Not found ]
        Sebek LKM                                                [ Not found ]
        Shutdown Rootkit                                         [ Not found ]
        SHV4 Rootkit                                             [ Not found ]
        SHV5 Rootkit                                             [ Not found ]
        Sin Rootkit                                              [ Not found ]
        Slapper Worm                                             [ Not found ]
        Sneakin Rootkit                                          [ Not found ]
        'Spanish' Rootkit                                        [ Not found ]
        Suckit Rootkit                                           [ Not found ]
        Superkit Rootkit                                         [ Not found ]
        TBD (Telnet BackDoor)                                    [ Not found ]
        TeLeKiT Rootkit                                          [ Not found ]
        T0rn Rootkit                                             [ Not found ]
        trNkit Rootkit                                           [ Not found ]
        Trojanit Kit                                             [ Not found ]
        Tuxtendo Rootkit                                         [ Not found ]
        URK Rootkit                                              [ Not found ]
        Vampire Rootkit                                          [ Not found ]
        VcKit Rootkit                                            [ Not found ]
        Volc Rootkit                                             [ Not found ]
        Xzibit Rootkit                                           [ Not found ]
        zaRwT.KiT Rootkit                                        [ Not found ]
        ZK Rootkit                                               [ Not found ]
    
    [Press <ENTER> to continue]
    
    
      Performing additional rootkit checks
        Suckit Rookit additional checks                          [ OK ]
        Checking for possible rootkit files and directories      [ None found ]
        Checking for possible rootkit strings                    [ None found ]
    
      Performing malware checks
        Checking running processes for suspicious files          [ None found ]
        Checking for login backdoors                             [ None found ]
        Checking for suspicious directories                      [ None found ]
        Checking for sniffer log files                           [ None found ]
        Suspicious Shared Memory segments                        [ None found ]
    
      Performing Linux specific checks
        Checking loaded kernel modules                           [ OK ]
        Checking kernel module names                             [ OK ]
    
    [Press <ENTER> to continue]
    
    
    Checking the network...
    
      Performing checks on the network ports
        Checking for backdoor ports                              [ None found ]
        Checking for hidden ports                                [ None found ]
    
      Performing checks on the network interfaces
        Checking for promiscuous interfaces                      [ None found ]
    
    Checking the local host...
    
      Performing system boot checks
        Checking for local host name                             [ Found ]
        Checking for system startup files                        [ Found ]
        Checking system startup files for malware                [ None found ]
    
      Performing group and account checks
        Checking for passwd file                                 [ Found ]
        Checking for root equivalent (UID 0) accounts            [ None found ]
        Checking for passwordless accounts                       [ None found ]
        Checking for passwd file changes                         [ None found ]
        Checking for group file changes                          [ None found ]
        Checking root account shell history files                [ OK ]
    
      Performing system configuration file checks
        Checking for an SSH configuration file                   [ Found ]
        Checking if SSH root access is allowed                   [ Warning ]
        Checking if SSH protocol v1 is allowed                   [ Not allowed ]
        Checking for a running system logging daemon             [ Found ]
        Checking for a system logging configuration file         [ Found ]
        Checking if syslog remote logging is allowed             [ Not allowed ]
    
      Performing filesystem checks
        Checking /dev for suspicious file types                  [ Warning ]
        Checking for hidden files and directories                [ None found ]
    
    [Press <ENTER> to continue]
    
    
    
    System checks summary
    =====================
    
    File properties checks...
        Files checked: 150
        Suspect files: 2
    
    Rootkit checks...
        Rootkits checked : 365
        Possible rootkits: 0
    
    Applications checks...
        All checks skipped
    
    The system checks took: 2 minutes and 3 seconds
    
    All results have been written to the log file: /var/log/rkhunter.log
    
    One or more warnings have been found while checking the system.
    Please check the log file (/var/log/rkhunter.log)
    
    root@marc-Inspiron-1545:~# 
    


     

    -
    Edité par imostone 18 octobre 2016 à 19:20:50

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      19 octobre 2016 à 2:56:51

      Je connaissais pas rkhunter. Ca vaut le coup de l'installer ? (quelque soit la distribution ?)

      PS: j'ai googlé "man rkhunter" et j'ai compris à quoi ça servait mais est-ce vraiment indispensable ?

      Merci d'avance

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        19 octobre 2016 à 5:41:34

        Salut, tu peux déjà commencer par désactiver le root sur le ssh.

        Mais je me demande si c'est un serveur ou juste ton ordi perso... Dans le second cas, tout cela est inutile.

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          19 octobre 2016 à 10:07:15

          Gaetano-GX a écrit:

          Je connaissais pas rkhunter. Ca vaut le coup de l'installer ? (quelque soit la distribution ?)

          PS: j'ai googlé "man rkhunter" et j'ai compris à quoi ça servait mais est-ce vraiment indispensable ?

          Merci d'avance


          Bonjour, personne pour répondre à ma question ?
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          Anonyme
            20 octobre 2016 à 16:44:32

            @Gaetano-GX Sur une machine de bureau personnelle, je ne pense pas que ça soit indispensable. Il y aura plus de faux positif que de vrai.

            Mais, je pense que c'est plus utile sur un serveur web ou un routeur, comme c'est plus vulnérable.

            Doc : https://doc.ubuntu-fr.org/rootkit

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              22 octobre 2016 à 20:14:17

              Dans l ensemble ca dit que tous va bien rien de grave juste quelque warning relative a ton besoin

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              Les petites choses ont leur importance ; c'est toujours par elles qu'on se perd. Auteur: Fedor Dostoïevski

              fichier suspect détecté via rkhunter

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