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https://github.com/carlospolop/hacktricks
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176 lines
7.5 KiB
Markdown
176 lines
7.5 KiB
Markdown
# Wireshark tricks
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## Wireshark tricks
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
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* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
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* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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## Improve your Wireshark skills
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### Tutorials
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The following tutorials are amazing to learn some cool basic tricks:
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* [https://unit42.paloaltonetworks.com/unit42-customizing-wireshark-changing-column-display/](https://unit42.paloaltonetworks.com/unit42-customizing-wireshark-changing-column-display/)
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* [https://unit42.paloaltonetworks.com/using-wireshark-display-filter-expressions/](https://unit42.paloaltonetworks.com/using-wireshark-display-filter-expressions/)
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* [https://unit42.paloaltonetworks.com/using-wireshark-identifying-hosts-and-users/](https://unit42.paloaltonetworks.com/using-wireshark-identifying-hosts-and-users/)
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* [https://unit42.paloaltonetworks.com/using-wireshark-exporting-objects-from-a-pcap/](https://unit42.paloaltonetworks.com/using-wireshark-exporting-objects-from-a-pcap/)
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### Analysed Information
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**Expert Information**
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Clicking on _**Analyze** --> **Expert Information**_ you will have an **overview** of what is happening in the packets **analyzed**:
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.png>)
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**Resolved Addresses**
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Under _**Statistics --> Resolved Addresses**_ you can find several **information** that was "**resolved**" by wireshark like port/transport to protocol, MAC to the manufacturer, etc. It is interesting to know what is implicated in the communication.
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.png>)
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**Protocol Hierarchy**
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Under _**Statistics --> Protocol Hierarchy**_ you can find the **protocols** **involved** in the communication and data about them.
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.png>)
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**Conversations**
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Under _**Statistics --> Conversations**_ you can find a **summary of the conversations** in the communication and data about them.
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.png>)
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**Endpoints**
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Under _**Statistics --> Endpoints**_ you can find a **summary of the endpoints** in the communication and data about each of them.
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.png>)
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**DNS info**
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Under _**Statistics --> DNS**_ you can find statistics about the DNS request captured.
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.png>)
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**I/O Graph**
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Under _**Statistics --> I/O Graph**_ you can find a **graph of the communication.**
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.png>)
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### Filters
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Here you can find wireshark filter depending on the protocol: [https://www.wireshark.org/docs/dfref/](https://www.wireshark.org/docs/dfref/)\
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Other interesting filters:
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* `(http.request or ssl.handshake.type == 1) and !(udp.port eq 1900)`
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* HTTP and initial HTTPS traffic
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* `(http.request or ssl.handshake.type == 1 or tcp.flags eq 0x0002) and !(udp.port eq 1900)`
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* HTTP and initial HTTPS traffic + TCP SYN
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* `(http.request or ssl.handshake.type == 1 or tcp.flags eq 0x0002 or dns) and !(udp.port eq 1900)`
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* HTTP and initial HTTPS traffic + TCP SYN + DNS requests
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### Search
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If you want to **search** for **content** inside the **packets** of the sessions press _CTRL+f_. You can add new layers to the main information bar (No., Time, Source, etc.) by pressing the right button and then the edit column.
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Practice: [https://www.malware-traffic-analysis.net/](https://www.malware-traffic-analysis.net)
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## Identifying Domains
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You can add a column that shows the Host HTTP header:
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.png>)
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And a column that add the Server name from an initiating HTTPS connection (**ssl.handshake.type == 1**):
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 (1).png>)
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## Identifying local hostnames
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### From DHCP
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In current Wireshark instead of `bootp` you need to search for `DHCP`
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.png>)
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### From NBNS
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.png>)
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## Decrypting TLS
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### Decrypting https traffic with server private key
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_edit>preference>protocol>ssl>_
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.png>)
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Press _Edit_ and add all the data of the server and the private key (_IP, Port, Protocol, Key file and password_)
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### Decrypting https traffic with symmetric session keys
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It turns out that Firefox and Chrome both support logging the symmetric session key used to encrypt TLS traffic to a file. You can then point Wireshark at said file and presto! decrypted TLS traffic. More in: [https://redflagsecurity.net/2019/03/10/decrypting-tls-wireshark/](https://redflagsecurity.net/2019/03/10/decrypting-tls-wireshark/)\
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To detect this search inside the environment for to variable `SSLKEYLOGFILE`
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A file of shared keys will look like this:
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.png>)
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To import this in wireshark go to \_edit > preference > protocol > ssl > and import it in (Pre)-Master-Secret log filename:
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.png>)
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## ADB communication
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Extract an APK from an ADB communication where the APK was sent:
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```python
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from scapy.all import *
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pcap = rdpcap("final2.pcapng")
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def rm_data(data):
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splitted = data.split(b"DATA")
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if len(splitted) == 1:
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return data
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else:
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return splitted[0]+splitted[1][4:]
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all_bytes = b""
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for pkt in pcap:
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if Raw in pkt:
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a = pkt[Raw]
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if b"WRTE" == bytes(a)[:4]:
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all_bytes += rm_data(bytes(a)[24:])
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else:
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all_bytes += rm_data(bytes(a))
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print(all_bytes)
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f = open('all_bytes.data', 'w+b')
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f.write(all_bytes)
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f.close()
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```
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<details>
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<summary><strong>Support HackTricks and get benefits!</strong></summary>
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|
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* Do you work in a **cybersecurity company**? Do you want to see your **company advertised in HackTricks**? or do you want to have access to the **latest version of the PEASS or download HackTricks in PDF**? Check the [**SUBSCRIPTION PLANS**](https://github.com/sponsors/carlospolop)!
|
|
* Discover [**The PEASS Family**](https://opensea.io/collection/the-peass-family), our collection of exclusive [**NFTs**](https://opensea.io/collection/the-peass-family)
|
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* Get the [**official PEASS & HackTricks swag**](https://peass.creator-spring.com)
|
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* **Join the** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord group**](https://discord.gg/hRep4RUj7f) or the [**telegram group**](https://t.me/peass) or **follow** me on **Twitter** [**🐦**](https://github.com/carlospolop/hacktricks/tree/7af18b62b3bdc423e11444677a6a73d4043511e9/\[https:/emojipedia.org/bird/README.md)[**@carlospolopm**](https://twitter.com/carlospolopm)**.**
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* **Share your hacking tricks by submitting PRs to the** [**hacktricks github repo**](https://github.com/carlospolop/hacktricks)**.**
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</details>
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