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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Can MITM attacks now decrypt SSL & TLS traffic with POODLE vulnerability?

After the POODLE vulnerability was publicized, can MITM attacks now see https traffic? Previously only http websites showed info when sniffed, but now, what about https websites?
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Lots of TLSCiphertext length MUST NOT exceed 2^14 + 2048 in wireshark

We have small network with ~20 clients (Wifi and Lan). I captured a few seconds of our network traffic with wireshark and encountered a lot of TLSCiphertext length MUST NOT exceed 2^14 + 2048 errors ...
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Is there any point of arp spoofing on a wifi network?

I know that arp spoofing is required on a LAN network due to the fact that data is sent directly to a destination, but what about for a WLAN network? All packets can be seen if you are in promiscuous ...
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Can Wireshark resolve https domain name?

Can I use Wireshark to see what websites are visited on my network? I'm just looking for the domain name, and not a full url or any credentials. Would I need any additional tools such as sslstrip to ...
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Why is NetworkManager establishing an UDP connection to _gateway? [migrated]

NetworkManager displays a new behaviour. At least I haven't notice this behaviour in the past: # ss -tunarp | column -t --output-separator "|" | rg Manager udp |ESTAB |0 |0 |machine%wlan0:68 |...
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Does Kerberos authentication handle DNS names the same way between Windows 7 and Windows 10?

Recently, we migrated from Windows 7 to Windows 10 and during that migration, we progressively ran into some issues with our NAS device. To be more precise, we progressively noticed some tcp socket ...
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1answer
70 views

Why does airodump-ng shows 2.4GHz AP beacons, but wireshark does not?

I'm debugging some edits I made to hostapd which requires me to capture some beacon frames, but I can only capture them with airodump-ng and not with wireshark. I have a Panda PAU09 adapter running ...
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46 views

Monitor mode not sniffing from other devices on the same network

i'm currently running a 802.11n adapter in monitor mode on a kali linux PC. Monitor mode was enabled using airmon-ng. On the same network as the kali linux PC are 2 raspberry pi devices. Pinging from ...
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Packets shown are mostly 802.11 despite open network

I'm currently trying to see if it's possible to sniff MQTT packets between two raspberry pi's from a wireless adapter in monitor mode attached to my PC. I ran the following command on my PC (Kali ...
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1answer
67 views

Decrypt RSA ciphered TLS 1.2 traffic using client RSA private key (not server)

I am using stunnel as a MITM to decrypt TLS traffic in between an app and its web server. The traffic between the app and the MITM server cannot be decrypted simply with RSA cipher as the app is not ...
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Track HTTP(S) Network calls being made by an Android Device

I am planning to track the Network calls being made by apps and the website of an Android Device. I have used the Burp Suite tool for tracking the network calls. Until now the Android Device and the ...
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226 views

Professor wants a Wireshark capture of mail client and browser activity of my own machine

As part of a home exercise in my networking class, the professor is asking students to submit a Wireshark capture done on the students' private machines. The capture must contain activity of the ...
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Decrypting part of a TLS session in wireshark if only single session key is known

I habe a dump of a TLS 1.1 session. I know that I can decrypt it if I know the master secret. unfortunately, I only know a single session key (server write key). Can wireshark be used to decrypt part ...
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1answer
124 views

What kind of attack? [closed]

I was able to find the Teardrop Attack. However, there is another one but I couldn't explain it. It keeps getting the warning: Source MAC must not be a group address. Is this some sort of ARP spoofing ...
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3answers
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I can't figure out the abnormal behaviour from this Wireshark capture file

The capture file if needed There is supposed to be abnormal behaviour here, and I see that there is. But I can't figure out what it is. There is no response from the ICMP requests. Furthermore some ...
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1answer
152 views

ip_forward reverting back to 0 during ettercap subnet scanning [closed]

Im trying to arp spoof a local network but the /proc/sys/net/ipv4/ip_forward is reverting back to 0 when ettercap is performing subnet scan on a network hub. Even if i change it back to 1 after the ...
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480 views

SSL handshake not visible in Wireshark

In my organization we have a cloud proxy that work on a loopback address. The vendor of this proxy has deployed an app on our machine which listens on the loopback address. I have captured the apps ...
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59 views

How to intercept data my TV communicator sends and receives?

I wish to check how and what is being sent when I interact with my TV via the remote that talks to the communicator box (not smart tv). I am curious what protocols are used, and how often does the ...
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1answer
424 views

How to speed up brute forcing of finding a WEP key from a captured file?

I have been working on decrypting a WEP .cap file using crunch. It has 1268 IVs. I am wondering: Can I get a clue from the captured file to speed the process of brute-forcing? If not, what other ways ...
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66 views

Is there an easy way to dissect .NET Remoting traffic for reverse engineering?

I'm working on a vulnerability within an application that uses .NET Remoting. I can see from the code that there are a number of potential ways to get RCE, but due to how the application performs its ...
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0answers
155 views

How to decode kerberos tickets on wireshark? [closed]

It has been two days in a row that I spend hours trying to decrypt kerberos traffic using wireshark. For learning purposes, I want to be able to read the encrypted parts of tickets and authenticators ...
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106 views

Is there a way to detect network traffic encrypted by MACsec?

We are going to analyse some traffic on our network. Some streams are encrypted and we know that the encrypted protocols aren't IPsec. We suspect it is using MACsec and we are looking for some way to ...
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Watch Encrypted IMAP Responses

I'm trying to see if I can decipher the messages coming back from Exchange when I try and login via secure IMAP. My office 365 accounts are under attack and I've disabled IMAP (and legacy login) but ...
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Wireshark - capturing website info from other computers [duplicate]

I am trying to find out what websites computers on my network are visiting. Target device is a MacBook Air. I have a Bell Homehub 300 and I'm running Wireshark on Ubuntu Cinnamon 19.1 I'm running ...
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1answer
35 views

Is it possible to infer advanced cookie properties like expiration from Wireshark

I want to perform a cookie injection attack for demonstration purposes. I could achieve this using Firefox Cookie-Editor extension. However, the attack can only succeed if I enter the cookie name, ...
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244 views

Decryption of TLS/SSL Traffic With the debug file of fiddler on wireshark

I wanna decrypt some packets on Wireshark, when I search the Internet, some people were said to use SSLKEYLOGFILE environment, I do the stuff, but it looks like that chorme doesn`t update that file ...
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1answer
73 views

Intercept network traffic with a hub [closed]

If I plugged a hub inbetween a switch and firewall, that also had a device running wireshark or similar capture software connected, due to the way a hub operates, would I be able to read ALL of the ...
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2answers
152 views

Can wireshark capture the exact payload and end point of API used by my Mobile APP?

I was just wondering if someone having total control over his/her network, is running my mobile app. Also wireshark is capturing all requests made using the network. My app is calling API endpoint ...
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128 views

Infected usb drives in mice

I bought a mouse on aliexpress. It was reasonably cheap. It works well enough to be on par with a mouse I can buy here for 4 times the price. I know, this is a well known business model, and those ...
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127 views

Sniffing TCP packets using Wireshark

I am trying to reverse engineer a decoder. To do so I need to sniff the packets that the decoder receives from an Android application installed on my phone, this application is what controls the ...
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559 views

Wireshark does not decrypt TLS, decrypt tab does not appear

What I did: Setup the env var "SSLKEYLOGFILE" as "C:\ssl-keys.log" and ensure it is valid. Enter its path in Wireshark 3 preferences -> protocols -> tls -> pre-master-secret-log filename -> "C:\ssl-...
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384 views

Unable to inject cookies

As part of an exercise, I need to sniff cookies from a login page and inject them in the same login page. If the cookie injection is successful the user must be login without entering the user name ...
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1answer
602 views

How can I inject cookie from Wireshark into a browser sesson [duplicate]

For education and research purpose, I need to inject a cookie value into my browser to allow me login indirectly (without entering the user name and password). I collected traffic during a login ...
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369 views

Wireshark - How to see the domain of HTTPS websites visited

How can I see the domain name of https websites that are visited on my network? I know I'm not able to see the full url, just the websites ip or domain. I think it my be possible with a reverse dns ...
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1answer
430 views

Capturing traffic on WiFi Network using Wireshark [duplicate]

Is it possible to capture, using Wireshark, regular data sent by another machine inside my Wireless LAN?
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301 views

How to analyze .pcap file to write a generic snort rule to detect c&c activity

I am diving into snort and trying to figure out what everything does but I'm having a little trouble. I have a .pcap file I want to analyse and I know there is malicious c&c traffic on it. (...
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1answer
128 views

Is there a way to change the format of the output from snort?

I'm pretty new to snort and don't know too much about it. I am trying to put together a report of my snort files but, I only want the connections not the entire flows. For example, say I have a few ...
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1answer
329 views

Decrypting application data from pcap

Full disclosure I am front end developer with hardly any knowledge of security trying to complete a security challenge. All info below I picked up in the last 12 hours so if it doesn’t make sense feel ...
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1answer
151 views

Determine victim of port scan's OS

I am taking part in a practice sandbox, and have a pcap file in Wireshark: with the traffic depicting a Vertical Port Scan. Is there anyway to find out the "victim"'s Operating System? The packets are ...
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703 views

Can I detect malware download using Wireshark?

I have been working on Wireshark lately. I am learning about malware behavior, but I am curious to know whether methods exist to detect malware download (via drive-by download) on systems. Anti-...
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2answers
7k views

Why is my computer making requests to my Roku about spotify?

I'm new to inspecting packets with Wireshark so this might be something very stupid on my part. That said, I don't really understand the transaction between my computer and my Roku. 17 1.129097 ...
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1answer
107 views

How can I see the data content (HTML, JS, etc) in HTTPS responses in Wireshark?

I'm learning packet sniffing and analysis with Wireshark. At first, I could only see DNS, TCP, and ARP packets. I learned I couldn't see any HTTP packets because it was all encrypted in the transport ...
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260 views

Would sniffing all network traffic from android device to check for spyware be a viable solution

I suspect that my Google pixel (Android 9) phone has some sort of a spyware installed. There are no obvious symptoms like overheating, extreme data usage, or battery draining at an unusual rate. But I ...
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46 views

Identify SSL invalid handshake using Wireshark

I am doing a research on "Network flow anomaly detection" and use Wireshark for my work. I have a problem of identifying the packets with invalid SSL/TLS handshakes. Is there a way/algorithm to detect ...
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1answer
86 views

Wireshark DNS sniffing : too much junk -> Are there hostname “blacklists” for wireshark?

So I'm sniffing my DNS on wireshark. There's way too much junk because the websites include many advertising tools, web tracking, etc. Is there some blacklist that contains all those pesky hostnames, ...
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1answer
182 views

How do I know that the request and response is using encryption protocols in burp suite?

I know these things can easily be done on wireshark, tshark, etc but is it possible to know that the request I forwarded and the response I received is using protocols such as TLS, TLSv1.2, TCP, HTTP, ...
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How to identify the communication protocol used in a wireless device?

I really hope that this is the right place to ask. I need to analyze a baby monitor for any security or privacy weaknesses. The spec sheet of the baby monitor says, that it uses the ISM 2400~2483.5 ...
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1k views

Analyze / Sniff all packets from all devices connected to a router

First of all, before explaining what I'm trying to do, let me clarify that my intentions are not steal any information, as it's only for study purposes, not even for my own entertainment. I'm trying ...
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1answer
124 views

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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167 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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