Tagged Questions

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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0answers
8 views

Firewall with packet capture and inspection?

Is there such thing as a firewall with packet inspection? Most outbound firewalls simply prompt the user with "program.exe is trying to connect to the internet - allow or deny?". I find it impossible ...
1
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1answer
35 views

Client Hello message suggests cipher suite which is not in the list specified by setEnabledCipherSuites() method

In my code, I use JSSE6 API to specify a list of enabled cipher suites. I aimed to only allow 168 bits or higher encryption cipher suites, below is a part of my code: /** List of 168 bits encryption ...
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2answers
58 views

How can I strip sensitive data out of a Wireshark log report?

I have a sync app that doesn't work and the developer asked me to try and perform a sync with Wireshark capturing the data and send the Wireshark log to him. I noticed that Wireshark saves sensitive ...
0
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1answer
88 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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6answers
87 views

Wireshark Packet Capture

I need to capture/analyse the packets of another system connected to same network, is it possible with Wireshark? I have Wireshark installed on my system; what options do I need to capture packets of ...
1
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2answers
61 views

Force connected devices to use http rather than https

I am very new to MITM attacks and have been faffing around on my home network today.. When sniffing my iPhone trying to connect to some mail accounts I have noticed that it shows a message stating ...
1
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0answers
361 views

Bash shell exploit using SIP

I have a SIP proxy server, that would like to test Shellshock on. I have used this https://github.com/zaf/sipshock to try and test. but this is what I get. So I just want to know generally what is ...
0
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1answer
88 views

WireShark only showing broadcast packets [on hold]

So here is my setup Desktop booting a live version of Kali from a USB drive The standard distro of wireshark that comes with Kali A Ralink RT-3070L High gain antenna My home network as a sandbox. ...
2
votes
1answer
65 views

Search for user credentials within a packet capture of a gmail session over SPDY

I was reading this paper on SSL/TLS from the SANS Reading Room on how to capture and decrypt your own SSL traffic with Wireshark. I wanted to capture the credentials used to login to gmail. When the ...
10
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5answers
2k views

Why can't I decrypt SSL traffic with the client's private key only?

I have found that I can decrypt SSL traffic in Wireshark with the server's private key. Why isn't the client's private key enough to decrypt SSL traffic?
1
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1answer
114 views

Extremely suspicious UDP network traffic when idle [closed]

My computer has been using about 7Mbps when idle, it does the same thing even I am playing games and such. This is the Wireshark capture ...
0
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0answers
62 views

I Need Wireshark Confirmation on Full Implementation of SSL for YouTube

I've just noticed today that YouTube have implemented SSL over the entire service (including video transfer). I've analyzed the partial SSL YouTube had before and it encrypted the video request but ...
2
votes
1answer
192 views

Capturing iTunes traffic with Wireshark - SSL decryption question

I'm fooling around with Wireshark to capture the activation packets for an iPhone and some other stuff, however the traffic is encrypted. There should be a private SSL key somewhere on my computer to ...
0
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2answers
71 views

Wireshark displays sql calls - Prevention

So I was analysing a new application that is being written. I noticed that on the app server level there are sql calls that are being made from C# code. These calls can be seen in wireshark by ...
-1
votes
1answer
83 views

tcpdump filter expression POST packets

I'm trying to save only POST packets using tcpdump filter expressions. I started with 'tcp port 80' and I found on the web a specific expression to achieve that. tcpdump -i wlan0 -s 0 -A -vv ...
2
votes
0answers
163 views

Some http requests are not send encrypted by vpn! Why?

I subscribed to a VPN service recently, and installed wireshark to take a look at the traffic sent from my computer. Practically all of it goes through UDP protocol, encrypted. But there are two HTTP ...
1
vote
3answers
847 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 ...
2
votes
1answer
152 views

DNS packets during ARP poisoning

I carried out an arp poisoning attack from my virtual machine to real machine with cain and able and collected data with wireshark from real machine. While I was investigating data with wireshark I ...
2
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1answer
138 views

How to further analyze suspicious traffic

I've been monitoring my network traffic with Little Snitch, and today, when launching Chrome, just the default Chrome tab (shows most frequent sites), it alerted me Chrome was trying to connect over ...
2
votes
4answers
2k views

How Can I Capture Packets of LAN device in Wireshark?

I want to use my computer to capture packets sent by my Android phone in applications: e.g. YouTube. I captured http requests coming from the machine where Wireshark is installed already, now I want ...
1
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2answers
227 views

How to remove tcp header of packets captured with dumpcap?

The traffic from Wireshark saved into a file with dumpcap. In this file a have for example : € X `þ $À6 @ íëÃNxXÀ¨£ P&E»kKí¨<`PEà; HTTP/1.1 200 OK Cache-Control: private And I ...
2
votes
2answers
322 views

How to sniff email with https on Windows? [closed]

I am working now on Windows 7 and I want to see if I can sniff an email content on it with Wireshark. So all right with http but with https I can't at this moment and I don't understand how. You ...
0
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1answer
83 views

Wireshark: could “Follow TCP Stream” yield an empty window? or is it a bug?

I am capturing a pop3 netcat connection (port 110) using Wireshark, on Debian linux (Kali). After filtering packets with (tcp.port eq 110) I get few packets but once I R.Click on any and click "Follow ...
1
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1answer
383 views

How to view WiFi traffic using Wireshark on a 3rd party?

I am trying to look at traffic between my phone and the outside world, and for whatever reason I can't see the outside world's traffic coming in. I am running Wireshark on a Kali box, I turned on the ...
0
votes
2answers
195 views

Sniff packets with wireshark on localhost

I have a webserver in my windows machine running Apache(XAMPP). I have created an Android application that connect to my webserver at localhost. How can I capture the data with wireshark on localhost? ...
3
votes
1answer
542 views

SSL/TLS version switch over reason

I'm studying the SSL/TLS protocol, more specifically its handshake. I know that initially, a client sends a Client Hello message to the server which includes the TLS version supported by the client. ...
2
votes
1answer
361 views

Why is the SSL handshake not shown in Wireshark?

I am trying to figure out if some Android applications with login functions are vulnerable to man in the middle attacks or not. I have set up a MITM proxy (as an attacker) on my lubuntu machine and ...
3
votes
3answers
387 views

Watching for applications like WireShark and other eaves dropping on corporate network

Are there ways to monitor and check for network monitoring like WireShark? Or would it just be more ideal to ensure every application uses SSL to ensure no employee or anyone could packet sniff ...
2
votes
2answers
723 views

wireshark does't show HTTP requests from other devices

My machine along with several other machines are connected to wireless router. When i open some http page on same machine(M1) where wireshark is installed, it captures the packets such as HTTP GET or ...
0
votes
3answers
680 views

Do i need to have Airpcap?

Hi I am learning system security in an online course, in a practical experiment I tried to monitor the traffic through my router using wireshark1.10.3 but i have a feeling that it only sensing traffic ...
0
votes
1answer
492 views

How to decrypt passwords gained by wireshark? [closed]

We are trying to see who is using network VPN. I used Wireshark to sniff the network, I gained some users and passwords. The usernames were in plain text, but the passwords were in two different ...
0
votes
1answer
170 views

WireShark and Facebook [closed]

Some time ago i try Wireshark at my home local network just for see how it works. I scan the connection of my mac to the router and also to other external ips. The flow of connections were high when i ...
1
vote
1answer
200 views

MiTM not working --rejected by router?

I have been attempting to run a MiTM on a very old XP SP3 computer. I have attempted it with 3 products, as listed below: Wireshark: Traffic from the computer did not even show up. (I did see traffic ...
2
votes
4answers
499 views

How would a keylogger bypass Wireshark sniffing?

I often see malicious keyloggers being advertised as having anit-wireshark feature. Meaning their data can't be sniffed. Is it possible to do so? How would they do it? My guess is that they just ...
0
votes
1answer
125 views

How to extract the top-level of protocols into the csv file by using tshark command?

Here is what I tried: tshark -r test.pcap -T fields -e ip.proto > output.csv But this can only show all the protocols in the csv files. I want to show only the top level of protocol numbers such as ...
3
votes
1answer
784 views

How do I verify exactly which cipher suite is in use for this Remote Desktop session?

You can configure Windows to use only certain cipher suites during things like Remote Desktop sessions. Cipher suites such as RC4 56 bit, RC4 128 bit, Triple DES 168 bit, etc. SSL/TLS is not in play ...
1
vote
0answers
546 views

When EAPOL packets are exchanged?

I have put wireshark to capture interface in monitor mode. I have also enable decryption and set keys in Wireshark preferences, but protocol for all packets is 802.11 which I think it means that ...
0
votes
1answer
91 views

Why do I get all of these bad header checksum messages?

Every time I open my browser, I get tons of these bad header reports. What does this stem from?
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4answers
520 views

Can Your ISP use a Packet Sniffer? [closed]

Can ISPs presumably use packet sniffing applications such as wireshark and monitor my unencrypted data? Are they "allowed" to do so?
0
votes
1answer
560 views

What utilities can be used for Ping of death attack?

Can somebody tell me what program can mess with pockets and enlarge them for Ping of death attack? (i need it for lab) Is there anywhere step-by-step instructions of this attack? I'm not a hacker ...
0
votes
1answer
173 views

Corrupt password being pulled from wireshark data?

Hello everyone, I currently have a pcap file that contains an unencrypted Telnet session, and when I trace the TCP stream the password is in a format like so: pas...ord (please note ...
1
vote
2answers
854 views

Sniffing From Squid SSL

I created a Squid proxy and a self-signed SSL certificate. The SSL certificate on the server is a private certificate linked to the ssl-bump feature. I am using tshark to dump the SSL traffic, but I ...
0
votes
1answer
2k views

Wireshark Gratuitous ARP

I'm playing around with scapy and wireshark and I have sent a packet to a destination that does not exist (10.0.2.14). Wireshark shows an ARP attempt to resolve the address but as its not there the ...
11
votes
4answers
2k views

Is my network being sniffed?

Is there any way to find out if someone who is connected to my network is sniffing packets? There is a way with nmap if his card is in promiscuous mode but what if it is passive?
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votes
2answers
165 views

What does capture filter means in wireshark? [closed]

What does capture filter means in wireshark? Is it same as display filter?
1
vote
1answer
441 views

Wireshark detecting suspicious messages through jabber protocol, It says it is from my website, no idea what it is

I was doing a network scan on my computer with Wireshark and came up with something very suspicious: I found a stream with the jabber protocol. I do not have a jabber server set up nor do I have any ...
1
vote
2answers
902 views

Wireshark Trace containing SSL RSA with RC4 128 md5

I thought it'd be a neat idea to do a wireshark capture on my own login to a website and try to figure out where the packet containing the password is and decrypt it. So I logged into a website ...
2
votes
3answers
3k views

Can I listen to a remote IP's traffic using Wireshark? (Man in the Middle)

How can I listen to a remote IP's traffic using Wireshark? (Man in the Middle)
3
votes
3answers
425 views

How to diagnose and handle unexplained open network connections?

I was using Wireshark in order to check the activity of an unknown client in my home network, and to my surprise, I found some strange connections established by my own computer. I disconnected all ...
6
votes
3answers
430 views

How to fuzz proprietary protocol over SSL?

I'm doing vulnerability research on a client/server architecture that uses a custom proprietary protocol sent over SSL (port 443). I need to be able to intercept the traffic, and be able to view it in ...