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Questions tagged [wireless]

Wireless security topics including 802.11, Bluetooth, and others.

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wifi tap interface not working

I want to ask about my lab "Man In The Middle". I can create at0 with airbase-ng --essid mitm -c 11 wla0. My wlan0 is adapter 8188us but I can't ifconfig at0 up with this error at0: ERROR ...
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Getting 'cannot verify server identity' only on wireless LAN. Is this a MITM attack?

I am getting the notification 'Cannot verify server identity' for every single website I try to open on an iPhone. This, however, only happens when connected to a certain WLAN. On mobile internet this ...
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Overlap between Wired vs WiFi vulnerabilities

This is a fundamental question, but, I'm interested in understanding the "venn diagram" of attack vectors between wired and Wi-Fi connections. What are the attacks that both wired and Wi-Fi ...
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Force A Reply WPA/WPA2

I am working on an open source project, and am currently stumped. Let’s say I have a client connect to a wireless WPA network I am not authenticated to the wireless network I just have a wireless card ...
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28 votes
4 answers
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How to reduce/mitigate the degree to which a Starlink terminal user in a war zone is giving their position in real time?

Space.com's SpaceX Starlink satellite internet terminals arrive in Ukraine, The Verge's Elon Musk’s promised Starlink terminals have reached Ukraine and Vice Prime Minister of Ukraine and Minister of ...
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Is there any way to find out if a Logitech Unifying Receiver vulnerability was exploited?

Is there any way to find out if any of the vulnerabilities of older Logitech Unifying Receiver firmware was exploited? I'm referring to the vulnerabilities listed here including these. On GNU/Linux/...
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Airodump-ng shows AP on negative channel

I am new to WiFi and was trying to learn pentesting with the aircrack-ng suite. In the following airodump-ng excerpt, any idea why airodump-ng is showing an access point with negative value -1 as the ...
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How secure is the wireless Bluetooth data stream going from my computer to my headphones?

Let's say I have bought a USB-to-Bluetooth dongle and "paired" it with my wireless Bluetooth headphones which I purchased by accident, thinking that they were wired. One of the biggest ...
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How to secure this simple radio communication against replay attacks

In my current project i have few ESP32's connected to server over TCP. These ESP's are distributed across a range of 300 meters. Once per hour server requests (randomly) selected ESP's to beacon a ...
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How can WIPS block unauthorized AP with PMF enabled?

To my knowledge, WIPS(wireless intrusion prevention system) prevents wireless devices connecting to unauthorized AP by sending de-authentication frames. If 802.11w Protected Management Frame(PMF) is ...
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How and what can attackers use Rogue AP attacks for? [closed]

I have some questions about rogue access points. How attackers can get victim's creds over secured HTTPS websites? Can attackers do this kind of attack only by using basic tools + sharing the AP ...
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cannot connect to wifi in the captive portal stage in fluxion?

so while using fluxion, something strange (maybe not) happened,i've captured the handshake and try to penetrate the same wifi with a captive portal attack, fluxion created a duplicate wifi ,that's ...
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4 votes
1 answer
334 views

Does creating an Evil Twin require the network password in order to work?

I am currently trying to better understand this attack. If the network is open ie, not password, I would assume that it would be super easy for the evil twin to work. If I understand correctly, ...
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Why does message 1 of the WPA2 4 way handshake begin with the access point sending a random number?

All the references I have found https://en.wikipedia.org/wiki/IEEE_802.11i-2004 https://www.wifi-professionals.com/2019/01/4-way-handshake https://www.hitchhikersguidetolearning.com/2017/09/17/eapol-4-...
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How to send deauth packets on Windows (manually or with software)?

first of all I know how deauth packets work basically. But since my wifi adapter refuses to work on my virtual Kali, I want to use my host machine (Windows 10). So I have NPcap and Wireshark and I can ...
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Can my ISP see documents I print trough my wireless network printer that is connected to ISP-provided router?

As stated in title - I am wondering if connecting my printer to ISP-provided router could expose all of my printed data to his eyes? Cheers!
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Different Intermediate Certificates on client/server question

Hope someone can explain the impact as I know a bit but not too much about using certificates. We use an external CA QV (I think now Digicert) to create certs and install into the web, vpn, wired/...
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Why do WEP, WPA, WPA2 need TKIP, AES, CCMP?

Okay so im looking into understanding more about Wireless security. One thing i have not be able to understand is what does WEP, WPA and WPA2 do without the help of TKIP, CCMP, and AES, and what do ...
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3 votes
1 answer
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'Removing' telecom provider from my phone

Baseband Processors have very weak overall security(closed-source firmware, no audits etc.) It also gives the telecom operator very high privileges on a mobile device. So, now I use 2 phones. First ...
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Which EAP connection is strong? Certificate based EAP connection or credentials based EAP connection?

What difference we can observe when connecting using the certificate generated using the RADIUS and the credentials that we define in RADIUS like username & password.
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1 answer
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What may a attacker do when they gain have password to my wifi router

So, suppose you gain access to my wifi router through some attacks (may be brute-force). After a days or two I changed my wifi password with more complexity. So what can you(a attacker) do to again to ...
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575 views

Why my card changes from WPA Handshake to PMKID or vice versa just by airodump-ng

I am running Kali linux 2020.3 on VBox on Windows 10. I put my wireless card AWUS036ACH chipset Realtek RTL8812AU in monitor mode using airmon-ng start wlan0. Then i use airodump-ng wlan0 to capture ...
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As of 2020, is there any fix for 802.11w deadlock?

This is an old 802.11w issue that has been documented and it's a very big issue as clients can be selectively attacked and enter a deadlock, where only disabling and re-enabling wifi solves the issue (...
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Could a Chromecast be compromised from its default open network?

I left my apartment for few days, so I disconnected my wireless router but I forgot to disconnect my Chromecast as well. I remember that when a Chromecast can't find the network it was connected to ...
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Airmon-ng/Airodump-ng - Low Beacon Count on certain networks

It's been a few years since I've played around with this so I'm not sure if times have changed. When using AR7921 chipset (Alfa AWUS036NHA) on Ubuntu 20.04 I can see many networks using the following ...
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2 votes
1 answer
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Why does WiFi deauthentication need multiple packets to work?

I am trying to understand a common "problem" when injection deauthentication frames in 802.11 networks. My goal is to cause a client to re-authenticate (like one would do, to capture a 4-way-...
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-2 votes
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how many network adapters does an evil twin attack require

what is the difference between performing an evil twin attack with 2 wireless adapters or with just on or is it even possible to perform this attack with just one adapter? i am using Kali Linux
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4 votes
2 answers
2k views

What does WPA2 traffic look like to a packet sniffer that is not connected to the network?

Imagine there is a wireless network using WPA2, and an attacker has come along with his wireless card in monitor mode. What will the packets from that network look like? Is any information disclosed i....
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1 vote
1 answer
494 views

802.11 data frames missing from Wireless frames capturing

By working on the Wireless QoS (WMM/802.11e), I captured with airmon-ng and airodump-ng on Kali Linux, the 802.11 raw wireless frames, on my BSSID and channel. I generate some traffic from my ...
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1 answer
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Looking to take a hotspot that is shared and create my own hotspot that can be firewalled

What is the best way to take a wireless hotspot that is owned by someone else, create my own hotspot or VLAN to be able to Firewall / Not allow my devices to view the other individuals' devices? I ...
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1 vote
3 answers
321 views

How can wireless password cracking be detected?

Our team was hired for a red team engagement for a client. A part of the engagement is attempting to crack the WiFi passwords of their office APs. However, we obviously want to stay undetected. What ...
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1 answer
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Scapy: Sending forged Probe Requests and capturing them in a different device

Objective: Sending a forged Probe Request frame from one machine and capturing it on a second machine. I have two codes running: sender.py interface = sys.argv[1] dot11 = Dot11(addr1='ff:ff:ff:ff:...
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What is the significant difference between a Rogue Access Point & Client Mis-Association [closed]

As the title states, how can I differentiate both of them.
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How does an IMSI catcher "impersonate" a base station/cell tower?

On reading about IMSI catchers, I keep seeing that they "impersonate" a real cell tower or "base station" so that the phone drops its signal-carried data on that machine while on its way to the ...
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1 vote
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706 views

Display filter to see WPS attempts in WireShark [closed]

My neighbour is actively trying WPS pins on my router - I know because the "WiFi/WPS" LED on my router lit up when I have permanently turned it off! I double checked the setting using the router admin ...
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2 votes
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107 views

Is this the signature of a KRACK attack?

A router (or one spoofing as a router) unilaterally sent to a client an EAPOL packet 1 of 4, and then immediately sent 5 packets of EAPOL packet 3 of 4. Is this the signature of a KRACK attack? And ...
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2 votes
1 answer
491 views

Capture WiFi AP authentication attempted password

Is it possible for someone who is doing air monitor mode (ex. using airmon-ng) or is using a rogue device to capture attempted authentication on a Wi-Fi AP ? For example, I have a home router WPA2-...
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1 answer
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How does one steal files by connecting to a laptop's WIFI / Bluetooth? [closed]

I'm asking how does one steal files by connecting to a laptop's WIFI / Bluetooth and can it be done with the laptop powered off if there is a battery? Could you please explain how you would connect ...
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2 votes
0 answers
129 views

RF signal Wi-Fi leak [closed]

How can one steal files off a laptop hard drive using RF / Wi-Fi signals? Can it be done with the laptop powered off if there is a battery?
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1 vote
1 answer
2k views

Network Adapter error on airgeddon

I keep getting an error on airgeddon while using my Alfa AWUS036ACH network adapter (RTL8812AU chipset). I can launch airgeddon successfully with all requisite tools installed, select my wlan0 ...
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How SIGINT Researchers/Operators collect, decode and monitor a vast array of wireless data? [closed]

In wireless communication, data flows at various frequencies ranging from Radio to Satellite communication. These frequency carriers are allocated for different uses based on various requirement ...
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Can I use a public / private keypair to secure traffic on my wifi on OpenWRT?

Wifi passwords are a pretty weak way to secure a Wifi Access point; is it possible to use a public / private key to secure traffic on a wifi access point which runs OpenWRT. I know I can secure SSH ...
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1 vote
1 answer
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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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Capturing multicast packets in WLAN

(I had to move this from Network Engineering stack exchange where I origianlly asked this question) If a device in monitoring mode snoops on the traffic in a WLAN, can it CAPTURE and READ multicast ...
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Why doesn't the fluxion attack steal credentials when authenticating to the network?

I ask this question because i am not happy with the answer here In a normal attack such as fluxion. You send DEAUTH packets to the victim wifi. Clone their access point and host an open wifi. Let the ...
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Why do evil twin attacks against WiFi use a captive portal?

I was recently the victim of an evil twin attack on my WiFi network, probably by the new upstairs neighbors. It prompted me, with a captive portal, saying there had been an update and I needed to ...
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1 answer
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MAC/IP address hiding

I am doing some experiments with wireless protocols on ns-3. What I want to ask is how can I hide MAC address/IP address, because I need it for my experiments? Is it possible to use encryption on ...
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0 votes
1 answer
600 views

Router administration page is served over HTTP

My wireless router admin page does not include https option. It is always served over http. This is obviously a concern in case someone is sniffing the network and can read my password in plain text. ...
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2 answers
230 views

unauthorized devices appear in windows 10 network drive SMB [closed]

Few days ago I was trying to access a shared folder via SMB on Windows File Explorer and noticed 3 strange mobile phone devices appear listed in the network drive. I never owned any of the mobile ...
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4 votes
1 answer
2k views

How do you prevent/guard against a wireless disassociation attack [duplicate]

Going over the security+ lectures by professor Messer here, he explains and demonstrates a wireless disassociation attack very well. But no where in the video does he explain how this type of attack ...
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