The commands and their results from Figure 5 are listed below: Determining the file type and hash of our two objects exported from the pcap. Figure 5 shows using these commands in a CLI on a Debian-based Linux host.įigure 5. The shasum command will return the file hash, in this case the SHA256 file hash. The file command returns the type of file. In a MacBook or Linux environment, you can use a terminal window or command line interface (CLI) for the following commands: Still, we should confirm these files are what we think they are. Fortunately, the first pcap in this tutorial is a very straight-forward example. In some cases, Windows executables are intentionally labeled as a different type of file in an effort to avoid detection. Of note, the Content Type from the HTTP object list shows how the server identified the file in its HTTP response headers. Saving the suspected Windows executable file from the HTTP object list. Saving the suspected Word document from the HTTP object list.įigure 4. Select the second line with smart-faxcom as the hostname and save it as shown in Figure 4.įigure 3. Select the first line with smart-faxcom as the hostname and save it as shown in Figure 3. This menu path results in an Export HTTP object list window as shown in Figure 3. Figure 2 show this menu path in Wireshark.įigure 2. We can export these objects from the HTTP object list by using the menu path: File -> Export Objects -> HTTP.
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