SkidSec WebShell

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Web Server : Apache/2.4.58 (Ubuntu)

Uname : Linux ip-172-31-38-4 6.14.0-1017-aws #17~24.04.1-Ubuntu SMP Wed Nov 5 10:48:17 UTC 2025 x86_64

PHP Version : 7.4.33

#!/usr/bin/perl # Copyright 2002-2021 The OpenSSL Project Authors. All Rights Reserved. # Copyright (c) 2002 The OpenTSA Project. All rights reserved. # # Licensed under the Apache License 2.0 (the "License"). You may not use # this file except in compliance with the License. You can obtain a copy # in the file LICENSE in the source distribution or at # https://www.openssl.org/source/license.html use strict; use IO::Handle; use Getopt::Std; use File::Basename; use WWW::Curl::Easy; use vars qw(%options); # Callback for reading the body. sub read_body { my ($maxlength, $state) = @_; my $return_data = ""; my $data_len = length ${$state->{data}}; if ($state->{bytes} < $data_len) { $data_len = $data_len - $state->{bytes}; $data_len = $maxlength if $data_len > $maxlength; $return_data = substr ${$state->{data}}, $state->{bytes}, $data_len; $state->{bytes} += $data_len; } return $return_data; } # Callback for writing the body into a variable. sub write_body { my ($data, $pointer) = @_; ${$pointer} .= $data; return length($data); } # Initialise a new Curl object. sub create_curl { my $url = shift; # Create Curl object. my $curl = WWW::Curl::Easy::new(); # Error-handling related options. $curl->setopt(CURLOPT_VERBOSE, 1) if $options{d}; $curl->setopt(CURLOPT_FAILONERROR, 1); $curl->setopt(CURLOPT_USERAGENT, "OpenTSA tsget.pl/openssl-3.0.13"); # Options for POST method. $curl->setopt(CURLOPT_UPLOAD, 1); $curl->setopt(CURLOPT_CUSTOMREQUEST, "POST"); $curl->setopt(CURLOPT_HTTPHEADER, ["Content-Type: application/timestamp-query", "Accept: application/timestamp-reply,application/timestamp-response"]); $curl->setopt(CURLOPT_READFUNCTION, \&read_body); $curl->setopt(CURLOPT_HEADERFUNCTION, sub { return length($_[0]); }); # Options for getting the result. $curl->setopt(CURLOPT_WRITEFUNCTION, \&write_body); # SSL related options. $curl->setopt(CURLOPT_SSLKEYTYPE, "PEM"); $curl->setopt(CURLOPT_SSL_VERIFYPEER, 1); # Verify server's certificate. $curl->setopt(CURLOPT_SSL_VERIFYHOST, 2); # Check server's CN. $curl->setopt(CURLOPT_SSLKEY, $options{k}) if defined($options{k}); $curl->setopt(CURLOPT_SSLKEYPASSWD, $options{p}) if defined($options{p}); $curl->setopt(CURLOPT_SSLCERT, $options{c}) if defined($options{c}); $curl->setopt(CURLOPT_CAINFO, $options{C}) if defined($options{C}); $curl->setopt(CURLOPT_CAPATH, $options{P}) if defined($options{P}); $curl->setopt(CURLOPT_RANDOM_FILE, $options{r}) if defined($options{r}); $curl->setopt(CURLOPT_EGDSOCKET, $options{g}) if defined($options{g}); # Setting destination. $curl->setopt(CURLOPT_URL, $url); return $curl; } # Send a request and returns the body back. sub get_timestamp { my $curl = shift; my $body = shift; my $ts_body; local $::error_buf; # Error-handling related options. $curl->setopt(CURLOPT_ERRORBUFFER, "::error_buf"); # Options for POST method. $curl->setopt(CURLOPT_INFILE, {data => $body, bytes => 0}); $curl->setopt(CURLOPT_INFILESIZE, length(${$body})); # Options for getting the result. $curl->setopt(CURLOPT_FILE, \$ts_body); # Send the request... my $error_code = $curl->perform(); my $error_string; if ($error_code != 0) { my $http_code = $curl->getinfo(CURLINFO_HTTP_CODE); $error_string = "could not get timestamp"; $error_string .= ", http code: $http_code" unless $http_code == 0; $error_string .= ", curl code: $error_code"; $error_string .= " ($::error_buf)" if defined($::error_buf); } else { my $ct = $curl->getinfo(CURLINFO_CONTENT_TYPE); if (lc($ct) ne "application/timestamp-reply" && lc($ct) ne "application/timestamp-response") { $error_string = "unexpected content type returned: $ct"; } } return ($ts_body, $error_string); } # Print usage information and exists. sub usage { print STDERR "usage: $0 -h <server_url> [-e <extension>] [-o <output>] "; print STDERR "[-v] [-d] [-k <private_key.pem>] [-p <key_password>] "; print STDERR "[-c <client_cert.pem>] [-C <CA_certs.pem>] [-P <CA_path>] "; print STDERR "[-r <file:file...>] [-g <EGD_socket>] [<request>]...\n"; exit 1; } # ---------------------------------------------------------------------- # Main program # ---------------------------------------------------------------------- # Getting command-line options (default comes from TSGET environment variable). my $getopt_arg = "h:e:o:vdk:p:c:C:P:r:g:"; if (exists $ENV{TSGET}) { my @old_argv = @ARGV; @ARGV = split /\s+/, $ENV{TSGET}; getopts($getopt_arg, \%options) or usage; @ARGV = @old_argv; } getopts($getopt_arg, \%options) or usage; # Checking argument consistency. if (!exists($options{h}) || (@ARGV == 0 && !exists($options{o})) || (@ARGV > 1 && exists($options{o}))) { print STDERR "Inconsistent command line options.\n"; usage; } # Setting defaults. @ARGV = ("-") unless @ARGV != 0; $options{e} = ".tsr" unless defined($options{e}); # Processing requests. my $curl = create_curl $options{h}; undef $/; # For reading whole files. REQUEST: foreach (@ARGV) { my $input = $_; my ($base, $path) = fileparse($input, '\.[^.]*'); my $output_base = $base . $options{e}; my $output = defined($options{o}) ? $options{o} : $path . $output_base; STDERR->printflush("$input: ") if $options{v}; # Read request. my $body; if ($input eq "-") { # Read the request from STDIN; $body = <STDIN>; } else { # Read the request from file. open INPUT, "<" . $input or warn("$input: could not open input file: $!\n"), next REQUEST; $body = <INPUT>; close INPUT or warn("$input: could not close input file: $!\n"), next REQUEST; } # Send request. STDERR->printflush("sending request") if $options{v}; my ($ts_body, $error) = get_timestamp $curl, \$body; if (defined($error)) { die "$input: fatal error: $error\n"; } STDERR->printflush(", reply received") if $options{v}; # Write response. if ($output eq "-") { # Write to STDOUT. print $ts_body; } else { # Write to file. open OUTPUT, ">", $output or warn("$output: could not open output file: $!\n"), next REQUEST; print OUTPUT $ts_body; close OUTPUT or warn("$output: could not close output file: $!\n"), next REQUEST; } STDERR->printflush(", $output written.\n") if $options{v}; } $curl->cleanup();