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Timeinator, Time Based Attacker


Timeinator is an extension for Burp Suite that can be used to perform timing attacks over an unreliable network such as the internet.

The attack mode is similar to the "sniper" mode in burp intruder, but instead of sending a single request for every payload, it is able to send multiple requests for each payload and display the minimum and maximum times taken to receive a response as well as the mean and median averages and the standard deviation.

In an effort to prevent slow DNS lookups introducing delays, the domain is resolved at the start of the attack before any http requests are made. In addition, the extension sends HTTP(S) requests sequentially to reduce the chance of delays being introduced by overloading the server.


  1. Enable the extension in order to add a tab titled Timeinator to the Burp Suite user interface.
  2. Send a request to the extension by right clicking on a request anywhere in Burp Suite and choosing the "Send To Timeinator" menu item. This will populate the "Attack" tab under the Timeinator tab.
  3. Select the section of the request that should be replaced with the payloads then click the "Add §" button. This will add a § symbol either side of the characters that should be replaced with the payload. More than one payload position can be chosen in a single request.
  4. Choose how many requests to make for each payload.
  5. Type or copy and paste the payloads into the "Payloads" text area. Place a single payload on each new line.
  6. Hit the "Start Attack" button. Results will be displayed in the "Results" tab. If there is more than one payload then results will be colour coded to make timing differences easier to spot. Slower requests will be coloured red and faster requests will be coloured green.


HTTP(S) requests made by this extension will not be shown in the proxy history, however extensions such as Logger++ (available from the BApp store) will do so.

Author FSecureLABS
Version 1.0a
Last updated 25 February 2022

You can install BApps directly within Burp, via the BApp Store feature in the Burp Extender tool. You can also download them from here, for offline installation into Burp.

You can view the source code for this BApp by visiting our GitHub page.
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Please note that extensions are written by third party users of Burp, and PortSwigger Web Security makes no warranty about their quality or usefulness for any particular purpose.

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