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Questions tagged [wireshark]

Wireshark is a graphical packet capture and analyser open-source software. It can be used for a variety of network communication analysis tasks like protocol development and troubleshooting. It shows packets on the IP level.

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How can I found a source of HTTP request in Wireshark?

There are weird requests to/from the AWS: and another one to/from 177.143.198.104.bc.googleusercontent.com: ( http://whois.domaintools.com/177.143.198.104 ) I use Ubuntu 18.04 Desktop, web browsers ...
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Wireshark Capture - Is this malicious traffic or am I being paranoid?

So I just reformatted an infected PC to openSUSE Linux and picked the GNOME desktop feature set. I wanted to confirm whether or not the PC was really clean already so I used Wireshark while being ...
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1answer
27 views

Understanding OPENVAS Wireshark Capture

I was looking at a sample capture from a tutorial I was looking at and below is a snippet of a wireshark packet capture: OpenVAS:() { _; OpenVAS; } >_[$($())] { echo Content-Type: text/plain; ...
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1answer
30 views

Tls certificate correspondence

I am not really good in tls details, just know some basics. So there are couple of questions about it: 1) Is there a way to decipher tls in wireshark if the cipher method is diffie hellman? I know ...
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2answers
390 views

How wireshark capture packets in LAN without arpspoof?

I created a lab environment which has Windows 7 and Kali Linux in VMware. In Kali Linux, I opened Wireshark and started to listen to traffic on eth0. After that, in my Windows 7 machine, I opened an ...
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1answer
61 views

How to identify a Ping of Death attack by analyzing its packet in Wireshark? [closed]

I've tried researching it for a long while, but came out dry.
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1answer
67 views

GSM - Implementing Cipher Mode Command on YateBTS

I've been studying on Yate & YateBTS source code for a while, and I was wondering why there is no ciphering mode implementation in the source!? I use the combination of BladeRF x40 FPGA and ...
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2answers
61 views

My AP is probing other device?

I just installed kismet 2018 Beta update on my kali and test run it on my host but i came across something that i dont understand and i would appreciate if someone would explain to me. When i check ...
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4answers
3k views

Eavesdropping vs. sniffing

I'm taking a coursera course, and they take pains when talking about network security to distinguish between eavesdropping and sniffing. According to their definitions, sniffing involves reading or ...
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1answer
34 views

Wireshark unable to capture layer 3 [closed]

I'm new to Wireshark. I'm trying to visit google.com and capture the packets. However, Wireshark is only showing me layer 2 packets as shown below: Hence, filters like ip and ip addr == x.x.x.x are ...
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1answer
198 views

How can i sniff Telegram packets before they get encrypted?

So how can I sniff packets that are being sent from my computer to their server and from their servers to me using a sniffing app like Wireshark? right now when i use Wireshark, they are all ...
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1answer
85 views

Save decrypted pcap or decrypt on reading with rdpcap

I created a small program with runs command: tshark -i2 -o wlan.enable_decryption:TRUE -o "uat:80211_keys:\"wpa-pwd\",\" Passphrase:SSID\"" -w test.pcapng This creates the file test.pcapng, but it ...
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28 views

How would I inspect a vpn connection in the interest of mimicking a mobile via a more generic tool?

I use a mobile app that forces all device traffic through a VPN. I’d like to mimic the app’s connection by setting up the VPN on a router and forcing all traffic through the VPN connection at the ...
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0answers
60 views

Hide data from wireshark on localhost

Assuming you're working with an old network protocol, or insecure/unencrypted protocol (HTTP for example), is there a way to make it difficult for network sniffers from capturing the packets? An MITM ...
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57 views

Capturing Arp-reply packets from all neighbouring networks

actually I want to capture all the arp-reply packets from all neighboring wireless networks, but when I try to do the same, no arp-reply packets from any networks are visible. Let me make you the ...
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2answers
1k views

How to understand “Encrypted Data” in TLS message type?

In this Wireshark screenshot, there is a message type "Encrypted Data". Does anyone know what this is and in which situations this message type will be sent?
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1answer
455 views

Optimal way to capture HTTP(S) traffic on proxy-unaware iOS applications

I am trying to capture HTTP(S) traffic from a proxy-unaware Xamarin iOS application. The current tools I have available is a Mac with a Linux Mint VM, Xcode and iOS developer tools, Burp Suite ...
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63 views

Wireshark showing all ports being probed from my tablet

The first two pictures: Wireshark shows a tablet device as the source and my computer as the destination and vice versa. This tablet has never been connected via USB, FTP, BT, nothing to the computer. ...
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1answer
826 views

Filter TLS in Wireshark or other monitoring tool

As part of the new best practices in hardening server communications I need to deny TLS 1.0 on the web server, before doing so I wish to identify the amount of clients whom connect with this level of ...
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0answers
100 views

Reverse engineering MQTT commands of an Alarm App

I have this alarm called Chuango H4 that uses WIFI and GSM to be controlled via a Chuango app called "Smart Home". I want to be able to controll the alarm by my own means. Using the Wireshark packet ...
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0answers
99 views

Grabbing WA Web chat partner IP with wireshark - any ideas?

Is there any way to grab the IP of the respective other counterparty ones invovlved in an P2P chat over WAWeb (on the side that can be sniffed) by putting wireshark on the line and monitor - for what ...
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1answer
153 views

Finding wpa2 key length

Is it possible to determine WPA key length through a successful handshake? Below is a screen capture showing the packet capture session of interest as displayed in Wireshark: My question came from ...
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1answer
228 views

Suspicious network activity detected in Wireshark [closed]

I have never noticed something like this in my network before: My IP: 192.168.1.46 It keeps repeating randomly and constantly. At first, I thought I was infected by some type of malware. I ...
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2answers
484 views

What is the Session ID parameter indicate in Client Hello and Server Hello messages

I was trying to understand the TLS handshake in depth. I set up Wireshark and captured the github.com traffic. While inspecting the Client Hello and Server Hello, I found a parameter Session ID. ...
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2answers
173 views

Installing own certificate for HTTPS sniffing?

This is something I heard before but cannot remember how to do, I am looking for a tutorial or alike. I have an Android application I need to audit. I need to check if any cookies are being ...
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0answers
21 views

Decrypting 802.11 packets captured through wireshark [duplicate]

I created my own network with security of WPA2-PSK, so I know the SSID, and password. I then connected 2 devices (A and B) to this network and started capturing B's traffic from A using wireshark in ...
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2answers
68 views

What is this address I received from wireshark?

______source____________destination___ 41:9c:7f:78:b1:0c | 08:00:d0:58:59:4c I am trying to identify those addresses, the source and the destination, I thought it was IPv6 but then I realized it'...
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1answer
50 views

Why would the amount of packets received be greater than the amount of packets sent? [closed]

I am new to wifi, and as I was looking at .pcap files, I noticed that one connection took an absurdly large amount of time. Another thing that stood out is that the amount of packets received was so ...
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1answer
184 views

Does nmap mtu scan really send crafted mtu size?

Since nmap is a well-known security tools, I guess this is the right section. I've been reading about nmap techniques here as part of my network security syllabus ... I've performed 2 scans ... one ...
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1answer
116 views

Wireshark showing HTTP on top of TLS

I am seeing an HTTP request on top of SSL in Wireshark. Can anyone explain why?
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1answer
700 views

TLS, Wireshark “this session reuses previously negotiated keys”

I made a Wireshark tap for 2 request: a HTTP GET to a login authentication page then a HTTP POST when I send credentials to the server As you can see, I get a warning message from Wireshark because ...
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1answer
791 views

Setup Wireshark to decrypt TLS_DHE

I have a passively sniffed traffic dump of client/server were packets are encrypted with cipher suite Cipher Suite: TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (0x009e) With a Logjam attack I managed to ...
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1answer
2k views

AirPcap is end-of-availability. What alternatives do you recommend? [closed]

I've been using Riverbed AirPcap dongles for Wi-Fi analysis for quite some time. But when I am trying to order more, I noticed all their AirPcap devices are end of life by Dec 31, 2017, for reason I ...
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1answer
149 views

Is it safe to share a TLS Master Secret?

I am debugging a client/server TLS communication issue with a 3rd party server vendor. For the client-side, I've captured a pcapng dump along with saved via a SSLKEYLOGFILE-like utility. Can I share ...
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1answer
77 views

DTLS Record with weird cipher text

I am using mbed TLS to deploy each a DTLS Server and a DTLS Client application. After the DTLS Handshake, the Client sends "Hi, Server" and then the Server answers "Hi Client". The connection is ...
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1answer
274 views

Packet analysis of IRC traffic

I've been going through this malware traffic analysis exercises and part of the malicious traffic detected is IRC traffic over non-standard port 443. This is picked up by ET Snort rule sid:2000348; ...
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0answers
97 views

Duplicate packets in packet injection

I've been trying to develop a few scripts that can forge custom 802.11 frames and inject them through a monitor mode interface. I have gone through the development documentation of radiotap headers ...
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1answer
150 views

Wireshark trafic from router [closed]

I have a very old router and in my routers admin page there is no option to write any commands or view traffic in any way, i tried using Putty to get inside it with port 22 and I get a connection with ...
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1answer
363 views

Can't see ARP poisoning packets on Wireshark and Scapy

I'm trying to create a python script to detect ARP poisoning on WiFi networks. I'm using scapy and wireshark to check scapy's output. I'm stuck trying to see all ARP traffic on the network, I can only ...
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0answers
117 views

What traffic should be present in a Wireshark Capture when using a VPN?

To start I am a full on novice at this so I am sure many on here can answer this simply. On my home network I am running a WRT router that is Flashed with Espress VPN, and the laptop I am running ...
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1answer
192 views

Wireshark HTTP continuations (Hydra HTTP version)

I am trying to use Hydra to brute force a HTTP POST form page, however the page is returning a HTTP Continuation I'm not sure what that is. This is being caused by the HTTP/1.0 at the top of the ...
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244 views

How I can protect Tails Linux from being sniffed

I use the latest Tails Linux on a virtual machine on Ubuntu to improve my security since, where I am from, navigating certain sites can offer risk. It comes with Tor Browser that I use to access the ...
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1answer
124 views

how can I know MAC ADRESSES connected to a given AP [windows]? [closed]

I think that the question is clear. I want to know the mac adresses of people connected to a certain wireless network. Thank you!
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0answers
90 views

Wireshark Decoding TLS Encripted Data From My Own Computer [duplicate]

I'm trying to analyse the data that is being sent between my own computer and a web server via HTTPS. I'm using Wireshark to examine the packets, however I can't see any of the data as it has been ...
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0answers
210 views

Diffie Hellman Pre Master Secret too long

As far as I understood, when using Diffie Hellman, the pre master secret is generated as follows: Alice and Bob agree on a generator g and a prime p Alice chooses a primary key a, calculates A = g^a ...
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2answers
120 views

Is it impossible to know if the de-authentication packet has been sent to the victim using Wireshark and mdk3? [duplicate]

I want to know if the clients get disconnected or not without checking there devices while I am outside the network. Is it impossible with WireShark?
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1answer
938 views

How to use Wireshark to capture HTTP data for a device on the same network as me

I've setup a wifi router and connect my Kali Linux laptop and my Android mobile phone to it. I do know the password already (I've set it up) and I want to sniff all the data coming and going to the ...
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1answer
241 views

How to decrypt TLS in WireShark if I can hook the application's crypto API calls?

I hooked BCryptEncrypt and BCryptDecrypt calls of an executable. I can get the input arguments and output values of these functions. This program calls BCryptEncrypt to encrypt the data sent over TLS, ...
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2answers
559 views

Data sniffing on a WEP 128-bit encryption

I am relatively new to cybersecurity and hacking and I aim to learn ethical hacking as a passion alongside my mainstream education(Electrical Engineering). My setup: I have set up my very own WEP ...
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1answer
655 views

What are the core differences between Airodump-ng, Wireshark, and TCPdump? [closed]

As all three tools are packet sniffers, I would have expected them to give me the same results when I use them to monitor my home's network, but they don't. Therefore what are the core differences and ...