Questions tagged [sniffer]

A sniffer is a program that monitors and analyzes network traffic, detecting bottlenecks and problems.

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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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415 views

Relaxed access to tcpdump

I'm looking to do some packet sniffing on a computer that I do not have privileged access on. I am considering asking the admins to allow users in a specific group access to tcpdump. Specifically, I ...
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Detect and optionally block a certain string in network traffic on Windows 10

Suppose I have some important text data on my computer, like a plain text password y5278dhk28ds and I have malware on my PC that periodically searches for sensitive data and sends that data to ...
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736 views

Passive WiFi sniffing without associating to the AP

Suppose that I have a WiFi adapter that is in range of several APs and clients, all sharing the same channel and all using WPA2 encryption. I know all their passwords. I'd like to sniff on all of them ...
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152 views

DNS Leak Detection

While checking my personal VPN server for DNS leaks (and finding them), it got me thinking. If I'm a network owner who hosts a website, and I sniff and log all in/outbound on my web servers, is there ...
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834 views

Decrypting a TLS/SSL traffic with Wireshark

I am trying to decrypt a TOLS/SSL traffic with Wireshark. When I start the sniffer I do get some packets with TLSv1.2 protocols but I can't decrypt them. Have seen this post, but the tutorial provided ...
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853 views

Mobile traffic sniffing using Cain

As far as I know - and please correct me if I'm wrong - Cain does not support WiFi cards. So if an attacker wants to perform ARP poisoning without being connected through Ethernet to the (router\...
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Meaning of Broadcasting WAN status in Cain ARP Poison Routing

I was going through Cain and Abel's Manual to perform an ARP Poison Routing attack, also known as APR and it mentioned that while performing the attack between a host and gateway, we could see '...
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170 views

How can I know if any cell phones other than a given set are turned on in the nearby area?

I am searching for a solution to identify phones simply by the signals it emits. Imagine a signal receiver in a room, then I want to know which people are using phones nearby. I don't care what they ...