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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Need help in understanding packet analysis! [on hold]

The snapshot capture below contains a single HTTP request to a web server, in which the client web browser requests some files from server, and the server returns an HTTP/1.1 200 (OK) response which ...
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3answers
42 views

How can I extract the certificate from this pcap file?

I have a pcap file of 14 sniffed SSL packets. I uploaded it here: ssl.pcap I opened it with wireshark. I see the 14 packets. The largest of seems to contain a self signed certificate (as it is made ...
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4answers
86 views

Human readable SSL/TLS packets

If I have a protocol-analyzer/packet-sniffer, such as wireshark installed on a particular device.. (or in this case; tcpdump & tshark etc. on my smartphone..) ..should I be able to read ...
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1answer
38 views

What is the difference between capture traffic from inside and outside of my network?

I'm thinking to use Wireshark tool to packet capture in my Wireless network. I read something that tells I can capture from inside or outside of my network, just making my wifi board working in ...
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1answer
121 views

Wireshark SSL stripping

well this question could be asked in Wireshark forums or Stackoverflow forums but, I think the question invloves development and security factors as well so i find the Information Security forum is ...
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1answer
50 views

Nemesis packets not detected in wireshark/tcpdump

I have been using nemesis for forging fake DHCP request packets on my Ubuntu machine. I get a "packet injected" message each time I inject it. However I was not able to analyze it on wireshark as my ...
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1answer
39 views

How to modify UDP packets in checksum field?

Stephen Northcutt, SANS Director, make a pcap contest (see here) where the .pcap file had a hidden information in checksum field. I solved it using wireshark and it was an interesting activity. So, I ...
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26 views

USB maping with python [migrated]

While reading some CTF write-ups I came across this script #!/usr/bin/env python import struct import Image import dpkt INIT_X, INIT_Y = 100, 400 def print_map(pcap, device): picture = ...
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1answer
29 views

TShark Cli question

I am looking over a CTF writeup and I have a problem in reproducing a single command: tshark -r challenge.pcapng usb.bDescriptorType and usb.urb_type==67 -T fields -e usb.bus_id -e ...
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20 views

Wireshark TLS v1 Xmpp

i'm trying to sniff on XMPP communication of League of Legends game. So far I found out that it's using port 5223 and SSL encryption. Is there any way to decrypt the data sent to see actual XML data ...
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1answer
36 views

Unsecure FTP with Encrypted file and Wireshark leakage

Hi i was wandering if it is possible to have a password leaked to an encrypted file on an anon ftp server with r-x-w permissions. So for example i have a file encrypted using gpg and when opened on ...
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2answers
247 views

Sniffing WhatsApp chat using Wireshark

Suppose two persons are using WhatsApp on Android. How can I see the communication between them if I have Wireshark running on a PC listening on network interface card? I know the communication ...
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2answers
334 views

Decrypting SSL using Wireshark on Linux vs Windows

I'm working on decrypting my own traffic that gets sent through Wireshark and I've been following this guide for reference. I have been using the SSLKEYLOGFILE environment variable and I can get the ...
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2answers
206 views

Monitor traffic that is going through my router

I want to monitor the HTTP traffic of all clients connected via wifi to my wireless router. I want to capture the traffic with my Notebook which is also wirelessly connected to the router. Hardware ...
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2answers
54 views

Is there any chance of PC getting infected when you analyse PCAP malware file?

Currently, there are lots of pcap files of malware analysis carried by other researchers available on Internet. Such files show the traffic pattern and communication of the malware with it's C&C ...
3
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1answer
86 views

Wireshark tcp filter: tcp[((tcp[12:1] & 0xf0) >> 2):4]

While readinf this doc https://wiki.wireshark.org/CaptureFilters I found this line tcp[((tcp[12:1] & 0xf0) >> 2):4] which figure out the TCP Header Length, but i can't find out how it really ...
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2answers
55 views

Wireshark as a network scanner [closed]

I have been playing with nmap lately, trying out arp-ping scanning and using idle hosts, etc... Looking at Wireshark, there is always some suspicious activity when performing scans. The thing is, I ...
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4answers
12k views

How Can I Capture Packets of LAN device in Wireshark?

EDIT: Seeing how this question is so popular, I'll rephrase and improve it to allow for an answer. It's almost unanswerable in its old form. Setup PC running Wireshark, connected to the network ...
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2answers
72 views

MITM my own SSL connections with e.g. wireshark - no proxy

I'd like to investigate some SSL (https?) traffic coming from one of my computers. The problem is that I don't know for sure which program it comes from, and I most likely can't make it use a proxy ...
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0answers
95 views

Sniff wireless (Wi-Fi) trafic with Wireshark

I have a wireless card (AWUS036H) in monitor mode (with airmon-ng start wlan0) on my Debian machine. In Wireshark, in "capture options", all my interfaces are in promiscuous mode. The test network is ...
12
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5answers
33k views

How to get private key used to decrypt HTTPS traffic sent and received from my own browser with wireshark

I am working with a website that sends API requests. I would like to write a client to make the requests myself, but in order to do so I would need to first see the request payloads. However, the ...
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2answers
105 views

How to capture Wifi 802.11 traffic?

I want to capture the wifi traffic from my wireless card, so what i have to do and are there tools for that? I know that there is aircrack-ng and airodump, but these tools need a extra wireless ...
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3answers
157 views

How to decrypt SSL traffic with a packet sniffer when I have the private key?

How you do you decrypt ssl packets (traffic) with the private key? I tried to do this with ssldump and openssl but nothing worked.
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1answer
76 views

What is required to decrypt other device's WPA2 packets?

As the title specifies, I'm trying to understand the minimum requirements for a utility like Wireshark to decrypt the packets from another device on a simple home network using WPA2 personal (AES). ...
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2answers
120 views

What is really wireless sniffing, and how can this attack damage someone

I guess that this is a dumb question, but i really thought for a longtime that the wireless sniffing attack consists of listening to all the packets that get over the air, but apparently it isn't ...
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1answer
88 views

how to catch a packets from wifi that I am connected to ( or not connected to )? [closed]

I have wifi connection, and I want to use something like wireshark to catch all the packages that my wifi router is listening to. How can I do it? If i want to catch packets from the router that I ...
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1answer
380 views

How to demo Skype-decryption using FOSS tools?

I'm preparing a presentation on Skype networking. And I'd like to demo decryption. I found a good approach to decrypting the TLS packets captured with WireShark in this blog post: Rob Andrews, ...
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1answer
57 views

How do I associate an SSID to a device?

In other words I am referring to the wlan.fc.type_subtype==0x04 filter in Wireshark while using a WiFi adapter in monitor mode. How can I associate an SSID to an Android device (for example) if that ...
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0answers
46 views

Difference between WPA, WPA2 and mixed mode on packets level

What is the difference between wpa, wpa2 and mixed mode, particulary how 4-way handshake packets look-like for every type? Is there any good lecture about it with packets examples? Above question ...
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2answers
74 views

sniffing with wireshark on wireless network

In a wireless network, does wireshark sniffs all the packets that are in move, or only packets whom we are the destination/source ? If it sniffs all the packets in the air, can someone explain or ...
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1answer
534 views

TLSv1 HandShake but SSLv2 client hello

I found this question: SSLv3 HandShake but TLSv1 client hello However, my situation is opposite: SSLv2 client hello then TLSv1 handshake. Can you please explain this for me? I use Wireshark to ...
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1answer
158 views

HTTP Basic Authentication - password missing

I am trying to retrieve a username and password send over the network. I was able to capture the following using Wireshark: GET /rcp_tunnel HTTP/1.0 Host: ***.***.***.*** Authorization: Basic ...
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3answers
3k views

Can I do hacking using Windows OS? [closed]

I have searched the web a numerous times but haven't found an explicit answer to my question. I've studied (at school and on my own) computer networks for 2 years, doing active programming for 4 years ...
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2answers
22k views

Decrypting TLS in Wireshark when using DHE_RSA ciphersuites

How can I decrypt TLS messages when an ephemeral Diffie-Hellman ciphersuite is used? I am able to expose the premaster secret and master secret from the SSL Client. Using that, how to decrypt the ...
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0answers
18 views

Current Decryption Support for TLS [duplicate]

I've been locking things at clients down recently and ran into a side effect I hadn't really thought about were TLS traffic using DHE based ciphers can't be decrypted with SSLDump or Wireshark. I ...
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1answer
109 views

What is the difference between Wireshark and Ettercap for man in the middle attacks!

I know of the two programs, one is Wireshark (a packet sniffing program) and the other is Ettercap (a man in the middle attack program). I tried doing a MITM attack before, legally on my own home ...
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1answer
80 views

Capture & Decrypt packets captured by monitoring mode

I am working on capturing packets using monitoring mode on my laptop. The problem is that I cannot get the source/destination IP's since the packets are encrypted. I added a key and it didn't work (I ...
2
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2answers
710 views

How to capture WhatsApp API requests using Fiddler?

I am trying to capture WhatsApp network requests and not able to do it using Fiddler. This is what I did: Installed Fiddler. Exported Root certificate and installed on my Android device. I modified ...
4
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1answer
92 views

Are there any statistics about packet filtering to prevent IP spoofing on the internet?

DDoS attacks via spoofed DNS(sec) are daily news for the last few years, but packet filtering should prevent IP spoofing on the internet. I tried (as an exercise) to spoof a packet on my VPS and on ...
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1answer
333 views

Wireshark decode base64 [closed]

Can Wireshark decode base64 in multiple packets? The base64 is not dealing with auth but is in a DNS packet in the text field. As of now I'm decoding them by hand, one at a time.
2
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0answers
87 views

Linux machine continuously transferring data over the network to random servers in china and across the globe [duplicate]

I have been using Linux for about 5 years now but I am not very skilled with the commands to monitor and figure out internal issues. I recently was having trouble with the Internet. My roommates were ...
2
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1answer
89 views

Hiding packets, requests, traffic from my PC through Ethernet connected to workplace network

Before everyone jumps on the bandwagon, as I so often see, of saying you shouldn't do anything on a workplace network that is to be done annonymously on your own home network, I want to know an actual ...
11
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2answers
135 views

Is my Windows phone protected from attacks that reveal list of ssids it knows about?

My goal is to see the SSIDs requested by mobile devices in my home. For example, my Windows phone knows about SSIDs called "coffee_shop", "planet_fitness" and "library". I have my phone set to ...
3
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1answer
212 views

Log all crypto keys used for outgoing SSL / TLS connections on Linux server

Is there some environment variable that works how SSLKEYLOGFILE works for NSS-reliant programs but which would apply to all outgoing TLS / SSL connections on a Linux server and not just ones that use ...
3
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1answer
1k views

Decrypt SSH traffic in pcap file given private key

I have a Pcap file that contains some SSH encrypted packets. I have the server public and private key. How do I decrypt these private keys? Is it possible to get the session key using Wireshark or ...
2
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1answer
242 views

Can't decrypt captured HTTP connection from WPA Network

Hi I am attempting to sniff HTTP packet traffic using Wireshark on Kali Linux. I have added my wpa-pwd correctly to the IEEE 802.11 protocol and enabled "decryption". Currently I can only view the ...
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2answers
1k views

Private key to PEM

I'm new to security and I'm trying to decode some SSL encrypted communication between my machine and server. I managed to obtain private and public keys as far as I understand private key is this ...
2
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2answers
1k views

Decoding tunnel bytes in EAP-TLS or EAP-TTLS using Wireshark

I have a few pcaps of traffic for EAP-TTLS conversation, carried by RADIUS. I also have some being carried by EAPoL, but I think the answer to that case might be even less straightforward (though ...
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2answers
5k views

How do we determine the SSL/TLS version of an HTTP request?

We are wanting to configure our Windows client to use only TLS 1.1 and greater. We've learned that we can do this by editing the registry. Now we want to make several HTTPS requests from different ...
4
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1answer
514 views

Why did this attack use 0.0.0.0 as IP address and why did it work?

Working through this exercise in network forensics, the attacker used a buffer overflow exploit to send commands to the victim's command prompt. The commands open an FTP session and download some ...