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Aplikasi Hack Proxy Server

5/1/2019
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Sneaking about on the Internet and not being caught (seen from the point of view of a hacker) is vital! Learn how to using these tools, updated for 2019.

Proxy Site

  • Proxy Tools & Software

Learn which flaws allow hackers to bypass proxy servers and HTTPS. Counter Hack. Expert Joel Dubin explains the best ways to block proxy server sites. Seorang klien terhubung ke server proxy. Cara hack Belajarlah. Sebuah aplikasi proxy umum adalah proxy web cache.

Remaining in the shadows is critical if you are a Black Hat Hacker.

In this resource we list certain tools and software that is all designed to hide and obfuscate identity through web proxies.

What is Fiddler?
Fiddler is created for web debugging as well as for proxies. Debug traffic from Windows operating systems. It ensures that the proper headers, cookies and cache directives are transferred between the server and client. It can support any framework, including Java, .NET, Ruby, etc.

Is Fiddler Free?
Yes all versions of this tool are free of charge.

Does Fiddler Work on all Operating Systems?
It only works for Microft Windows operating systems.

What are the Typical Uses for Fiddler?
Fiddler is used for debugging web services and to automate responses. It can also be used to inspect all HTTP/HTTPS traffic, “fiddle” with the incoming or outgoing data and set breakpoints.

Proxy Hack Client

What is Paros Proxy?
We’ve reviewed this tool here.

What is Rat Proxy?
This tool is a large passive and semi-automated security audit tool. It is optimized for sensitive, accurate detection and automatic annotation of security-relevant design patterns and potential problems based on the observation of existing user-initiated traffic in web 2.0 environments.

Is Rat Proxy Free?
Yes. Its free to use.

Does Rat Proxy Work on all Operating Systems?
Rat Proxy works on Linux, Mac OS X and Windows.

What are the Typical Uses for Rat Proxy?
Typical uses of this tool includes detection and broad classes prioritization of security problems such as script inclusion issues, dyanamic cross-site trust model considerations, insufficient XSRF and XSS defenses, content serving problems and a lot more.

What is sslstrip?
sslstrip is created to make HTTP sessions looks like HTTPS sessions. With a known private key, it can convert https links to http or to https. For a secure channel illusion, this tool can also provide a padlock pavicon. Normally, many HTTPS sites are accessed from a redirect on an HTTP page and some people doesn’t notice when their connection is not upgraded.

Is sslstrip Free?
All versions of this tool are free of charge.

Does sslstrip Work on all Operating Systems?
Its works natively on Linux, Windows and MAC OS X operating systems.

What are the Typical Uses for sslstrip?
sslstrip is used to strip attack HTTPS. It can also be used to transparently hijack HTTP traffic on networks.

How can hackers bypass proxy servers? Does the process require special tools or software, or are holes in the server..

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itself needed?

The phrase 'bypass proxy servers' can mean several things, depending on how the proxy server is used, so let's look at a couple of proxy-deployment architectures and their associated bypass methods. To keep this answer to a manageable size, I'm going to focus on HTTP and HTTPS proxies. But keep in mind that the ideas below apply to other protocols as well.

Organizations often have their internal users connect to the Internet through a proxy server. These proxies provide centralized control points for filtering and analysis, potentially even blocking employees from surfing to inappropriate Web sites. As a performance bump, these proxies typically offer caching support as well. So, how do users bypass proxy servers? There are several approaches.

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First, a surprising number of corporate networks with outbound proxies allow HTTP and HTTPS to be sent in two ways: either through the proxy itself, or formulated raw from the desktop, avoiding the proxy. Some of these organizations allow this proxy/non-proxy access because of the preponderance of applications -- often Java applets -- that speak HTTP but are not proxy-aware. To avoid this problem, I prefer to deploy transparent proxies in a network, rather than allow non-proxied Internet access that supports certain applications.

Even with organizations that completely block non-proxied HTTP and HTTPS access, an attacker can still bypass the proxy in a number of ways. To access forbidden sites, an attacker may encode his or her URLs in a variety of different formats, such as the hexadecimal representation of the American Standard Code for Information Interchange (ASCII), rather than the 'normal' view. Thus, the Web site www.forbiddenstufftoavoid.com becomes %77%77%77%2e%66%6f%72%62%69%64%64%65%6e%73%74%75%66%66%74%6f%61%76%6f%69%64%2e%63%6f%6d. An attacker could also try to use an IP address instead of a domain name, or use Unicode instead of the 'hex' representation. There are hundreds of different obscuring routines, and some of them work against various proxies.

To evade the filtering, an attacker can also try a different protocol altogether. One option here is to retrieve Web pages via email, a service offered at several locations on the Internet, such as the free web2mail.com. A subscriber can email a URL to the service, and its mail server then fetches the page and emails it back so the subscriber can view it in an HTML-enabled email reader; most email readers, in fact, are HTML-enabled.

Attackers can also access blocked content by surfing through an organization's outbound proxy to then go to another proxy, through which one can surf. The first proxy only sees the connection to the second one, and the second one doesn't enable any restrictions. There are thousands of these types of proxies available on the Internet today.

While those are just a few of the most popular methods for bypassing filtering proxies, what if an attacker's goal isn't to dodge filtering proxies, but instead to steal outbound data using HTTP and/or HTTPS? The attacker, for example, might have some spyware running inside an organization, and a Web site running on the outside, hoping to somehow spew internal data to the external server. The only obstacle is a pesky little proxy. In this scenario, where the attacker controls the client and the server, the attacker can simply try another TCP port, or use a variety of tools that try to tunnel data through the proxy.

Another use of proxy servers involves inbound access, the so-called 'reverse proxy' deployment. This architecture offers protective filtering, analysis and authentication capabilities for a Web server. To bypass these proxies, attackers can rely on non-standard ports or tunneling tricks, or they can attack the proxy server itself.

Historically, some proxy technologies have suffered from configuration errors or buffer-overflow conditions. By exploiting these flaws, an attacker might be able to take over the proxy device itself, and then reconfigure it so that he or she can get unfettered access to a protected server.

More on this topic

  • Expert Joel Dubin explains the best ways to block proxy server sites.
  • Learn the difference between proxy servers and proxy firewalls.
This was last published inApril 2007

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