How much of a hacker to penetrate it or the following website:A. IP SpoofingIP Spoofing is also known as the Source Address Spoofing, the attacker IP address forgery so that the target assumes the attacker's IP address is the IP address of the host in the network rather than from the outside network. Suppose the attacker has a type A 66.25.xx.xx IP address when the attacker to attack this type of network that attacked the IP attacker will assume is part of the IP networknya 192.xx.xx.xx eg type C.IP Spoofing occurs when an attacker 'outsmart' packet routing to change the direction of the data or transmissions to different destinations. Packet routing is usually transmitted to a transparent and clear so as to make it easy to modify the attacker with the data origin or destination of data. This technique is not only used by the attacker, but also used by security professionals to download tracing the identity of the attacker.2. FTP AttackOne of the attacks carried out against File Transfer Protocol is a buffer overflow attack caused by malformed command. destination FTP server attack is on average is to get a command shell or to perform Denial Of Service. Denial Of Service attacks may eventually lead to a user or attacker to retrieve the resource in the network without authorization, while the command shell can make an attacker gain access to the server system and data files that an attacker can eventually make anonymous acces that have root-rights fully to the system even network being attacked.Never or rarely update the server version and mempatchnya are common mistakes made by an admin, and this is what makes a vulnerable FTP server to enter. An example is the popular FTP servers on the UNIX family of the WU-ftpd are always on the upgrade of two times a day to improve the conditions that allow the FTP exploit bufferoverflow also useful to know the password contained in the system, FTP Bounce attack (using another ftp server to carry out attacks), and knowing or mensniff information in the system.3. Finger Unix ExploitsIn the early days of the internet, Unix OS finger efficient utility used to download information sharing among users. Due to requests for information on this finger information does not blame the rules, many system administrators leave this utility (finger) with a very minimal security, even with no security at all. For an attacker it is invaluable utility for information on footprinting, including login names and contact information.This utility also provides an excellent description of user activity within the system, how long the user is in the system and how far the user care system. Information generated from this finger to minimize effort in penetrating a system cracker. Personal information about a user who is raised by the finger daemon is enough for a atacker to perform social engineering using the social skill to utilize the user to 'tell' passwords and access codes to the system.4. Flooding & BroadcastingAn attacker could menguarangi speed networks and hosts that are in it are significant by continuing to perform request / demand any information from servers that can handle classic attacks Denial of Service (Dos), send a request to the named port of excessive flooding, sometimes it is also called spraying. When a request is sent to all flood station which is in this attack dinamakn broadcasting network. The purpose of this second attack is the same that makes network resource that provides information to be weak and eventually gave up.Flooding attacks by relying on two factors: the size and / or volume (size and / or volume). An attacker can cause Denial Of Service by throwing a large-capacity files or a large volume of small package to a system. In such circumstances a network server will deal with congestion: too much information requested and not enough power to push the data to run. Basically a big package requires a greater capacity of the process, but it is not normal and the same small package in a large volume would be useless to spend resources, and cause congestion.5. Fragmented Packet AttacksInternet data is transmitted via TCP / IP can be divided into packets that contain only the first packet of information contents of the main part (head) of the TCP. Some firewalls will allow to process part of packages that do not contain information on the packet source address first, this will result in some type system to crash. For example, the NT server will be a crash if the packets are broken up (fragmented packet) enough information to rewrite the first packet of a protocol.6. E-mail ExploitsPeng-exploitasian e-mail occurs in five different formats: Floods mail, manipulation commands (command manipulation), the attack rate of transport (transport level attack), include a variety of code (inserting malicious code) and social engineering (utilize socialization physically). Email attack could cause the system to crash, open and execute even rewriting application files or also make access to command functions (command function).7. DNS and BIND VulnerabilitiesRecent news about vulnerabilities (vulnerabilities) of the Berkeley Internet Name Domain applications (BIND) in various versions illustrate the fragility of the Domain Name System (DNS), which is a crisis that is directed at the basic operation of the Internet (basic internet operation).8. Password AttacksPassword is a common thing when we talk about security. Sometimes a user does not care a pin number that they have, such as online transaction in the cafe, even transact online at home is very dangerous if not equipped with security software such as SSL and PGP. Password security is one procedure that is very difficult to attack, an attacker may have many tools (technically or in social life) just to open something that is protected by a password.When an attacker managed to get a password that is owned by a user, then he will have power equal to that user. Train employees / users to remain vigilant in safeguarding the password of social engineering can at least minimize the risk, but in case of social enginering practice organization must be aware of this technical way. Most of the attacks carried out against the password guessing (guessing), brute force, cracking and sniffing.9.Proxy Server AttacksOne function is a proxy server to speed up response time by bringing together the process of multiple hosts in a trusted network. In most cases, each host has the power to read and write (read / write) to mean what can I do in my system I will can also do in your system and vice versa.10. Command Processing Remote AttacksTrusted Relationship between two or more host facilities exchange of information and resource sharing. Similarly, the proxy server, trusted relationship to all members of the network providing access to the same power in one or another system (the network).Attacker will attack the server that is a member of the trusted system. Just as the latency to the proxy server, when access is received, an attacker would have the ability to execute commands and to access the data available to other users.11. Remote File System AttackProtocols for data transport backbone of the Internet-is the level of TCP (TCPLevel) with a mechanism that has the ability to read / write (read / write) between network and host.Attacker can easily obtain the information traces of this mechanism to gain access to the directory file.12. Selective Program InsertionsSelective Program Insertions are done when the attacker attacks put destroyer programs, such as viruses, worms and trojans (maybe you already know this term well?) On the target system. Destruction programs are often called malware. These programs have the ability to damage the system, file destruction, theft of passwords to open the backdoor.13. Port ScanningThrough port scanning an attacker can see the functions and how to survive a system of various ports. A atacker can get access to the system through an unprotected port.Sebaia example, scanning can be used to determine where the default SNMP string in the open to the public, which means that information can be extracted for use in remote command attack.Sequence 14.TCP/IP Stealing, Passive Listening Port and PacketInterception TCP / IP Sequence Stealing, Passive Listening Port and Packet Interception walk to collect sensitive information to access the network. Unlike active attack or brute-force, attack using this method has more stealth-like qualities.15. HTTPD AttacksThe vulnerability is present in any HTTPD webserver or five kinds: buffer overflows, bypasses httpd, cross scripting, web code vulnerabilities, and URL Floods.HTTPD buffer overflow can occur because the attacker to add errors to the port used for web traffic by entering the lot carackter and overflow string to find an appropriate place. When a place is found for the overflow, an attacker would enter a command string that will be executable. Buffer-overflow can give an attacker access to the command prompt.Read more: http://njank-njutz.blogspot.com/2011/09/cara-seorang-hacker-menembus-situs-atau.html # ixzz1tgS0xzO9
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