Robert [KJ5ELX] :donor:<p>I was not expecting this to arrive so quickly, but it’s here and I already have <a href="https://infosec.exchange/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> installed on it. Going to take it out for a drive this evening.</p><p>I think this has some value above and beyond catching stingrays because of what it collects when recording. :)</p><p><a href="https://infosec.exchange/tags/eff" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eff</span></a> <a href="https://infosec.exchange/tags/cybersecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cybersecurity</span></a> <a href="https://infosec.exchange/tags/wardriving" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wardriving</span></a></p>
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#rayhunter
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PrivacyDigest<p>A New Tool to Detect Cellular <a href="https://mas.to/tags/Spying" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Spying</span></a> | EFFector 37.3 </p><p>This edition of the newsletter covers our new open source tool to detect cellular spying, <a href="https://mas.to/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> ; The <a href="https://mas.to/tags/Foilies2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Foilies2025</span></a> , our tongue-in-cheek awards to the worst responses to public records requests; and our recommendations to the <a href="https://mas.to/tags/NSF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NSF</span></a> for the new <a href="https://mas.to/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AI</span></a> Action Plan to put people first.</p><p><a href="https://www.eff.org/deeplinks/2025/03/new-tool-detect-cellular-spying-effector-373" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/new-</span><span class="invisible">tool-detect-cellular-spying-effector-373</span></a></p>
Peter Riley<p>A note on the name: Rayhunter is named such because Stingray is a brand name for cell-site simulators which has become a common term for the technology. One of the only natural predators of the stingray in the wild is the orca, some of which hunt stingrays for pleasure using a technique called wavehunting. Because we like Orcas, we don’t like stingray technology (though the animals are great!), and because it was the only name not already trademarked</p><p><a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p><p><a href="https://mastodon.social/tags/EFF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EFF</span></a> <a href="https://mastodon.social/tags/RayHunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RayHunter</span></a></p>
Willow<p><a href="https://mastodon.sdf.org/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a>, a new <a href="https://mastodon.sdf.org/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> tool to detect cell site simulator <a href="https://mastodon.sdf.org/tags/surveillance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>surveillance</span></a></p><p><a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p>
rexi<p><a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p><p><span class="h-card" translate="no"><a href="https://mastodon.social/@eff" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>eff</span></a></span> <a href="https://mastodon.social/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> project <a href="https://mastodon.social/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a>…runs on an <a href="https://mastodon.social/tags/Orbic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Orbic</span></a> mobile hotspot…<$20…</p><p>We hope <a href="https://mastodon.social/tags/activists" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>activists</span></a>, <a href="https://mastodon.social/tags/journalists" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>journalists</span></a>…help us collect data about the usage and capabilities of <a href="https://mastodon.social/tags/cellsitesimulators" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cellsitesimulators</span></a>…</p><p>…works by intercepting…and analyzing the control traffic (but not user traffic…) between… Rayhunter…and the cell tower…</p><p>…notifies the user when something suspicious happens…allowing users to take appropriate action to protect themselves, such as turning off their phone…</p>
tomarsch<p><span class="h-card" translate="no"><a href="https://social.tchncs.de/@kuketzblog" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>kuketzblog</span></a></span><br>Danke, aber wie komme ich an das Kästchen? Ist zwar schade, dass sich ein fake call nicht mit dem Handy entlarven lässt, aber auch extra HW hole ich mir gern, wenn ich mich damit effizient schützen kann. <br><a href="https://mastodontech.de/tags/eff" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eff</span></a> <a href="https://mastodontech.de/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> <a href="https://mastodontech.de/tags/imsicatcher" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>imsicatcher</span></a></p>
Mike Kuketz 🛡<p>EFF veröffentlicht Rayhunter: Open-Source-Tool zur Erkennung von IMSI-Catchern. Rayhunter spürt Cell-Site-Simulatoren (CSS) auf, die Handys täuschen und überwachen. Es läuft auf günstiger Hardware und warnt bei verdächtigen Aktivitäten. 👇</p><p><a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p><p><a href="https://social.tchncs.de/tags/eff" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eff</span></a> <a href="https://social.tchncs.de/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> <a href="https://social.tchncs.de/tags/imsicatcher" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>imsicatcher</span></a></p>
Chaospott<p>Am Mittwoch gibt es um 20:30 Uhr ein <a href="https://chaos.social/tags/petitFoo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>petitFoo</span></a> zum Thema "rayhunter". Was ist <a href="https://chaos.social/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a>, was kann damit gemacht werden und wie lassen wir das auf europäische Hardware laufen? Mehr zum Thema findet ihr hier: <a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p>
pejacoby<p>Yay, my Orbic unit ($11.92 via eBay) came with a Verizon SIM and is up and running with <span class="h-card" translate="no"><a href="https://mastodon.social/@eff" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>eff</span></a></span> Rayhunter!</p><p>Now planning a journey tomorrow, we’ll see what she yields.</p><p><a href="https://infosec.exchange/tags/rayHunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayHunter</span></a> <a href="https://infosec.exchange/tags/eff" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eff</span></a></p>
Dave Polaschek (he/him)<p>Got <a href="https://writing.exchange/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> installed and running on my newly-purchased orbic. A bit cryptic, and as ever, there were permissions issues on my Mac installing it, but it's there, and once the box is charged up, I'll start carrying it around town and see what's what.</p><p>ETA explanatory link: <a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p>
Luke Switzer 🅅<p>Nice work <span class="h-card" translate="no"><a href="https://mastodon.social/@eff" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>eff</span></a></span> - great seeing <a href="https://infosec.exchange/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> back in development. Turn a cheap orbic hotspot into a 4G honeypot. </p><p>Difference in PCAPs between SIM & no SIM. It could possibly get control signals without one, making a SIM unnecessary?</p>
Faraiwe<p>Decided I am gonna start playing with <a href="https://mstdn.social/tags/Rayhunter" class="mention hashtag" rel="tag">#<span>Rayhunter</span></a>.</p><p>Yes, for the hell of it.</p><p><a href="https://mstdn.social/tags/EFF" class="mention hashtag" rel="tag">#<span>EFF</span></a></p>
m0veax<p><span class="h-card" translate="no"><a href="https://hackers.town/@LambdaCalculus" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LambdaCalculus</span></a></span> <span class="h-card" translate="no"><a href="https://hackers.town/@ArtifexUmbra" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ArtifexUmbra</span></a></span> could you test if the minified binary from this pull request works? <a href="https://github.com/EFForg/rayhunter/pull/122" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/EFForg/rayhunter/pu</span><span class="invisible">ll/122</span></a> reducing the binary size would help porting <a href="https://det.social/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> to other devices which have less space available :)</p>
Allpoints<p>There doesn't appear to be a community communication mechanism for the Rayhunter project so I'm going to post the occasional observation here and tag it for the handful that may be interested.</p><p>I've grabbed captures with No SIM, Expired SIM & Valid SIM. The expired SIM is the least interesting. It appears it may simply stop interacting with the network once it's told it's not going to get service, i.e. "EPS services not allowed"</p><p><a href="https://mstdn.social/tags/rayhunter" class="mention hashtag" rel="tag">#<span>rayhunter</span></a></p>
Les capsules du prof Lutz<p>Je viens de commander un Orbic Speed RC400L Mobile WiFi Hotspot pour installer le logiciel de détection de l'EFF RayHunter. Je pourrai l'amener lors des manifs pour la paix à Mtl et vérifier l'utilisation par le SPVM ou GRC de stingray aka IMSI catcher aka CSS (pour cell site simulator)</p><p><a href="https://www.journaldemontreal.com/2019/04/16/la-police-de-montreal-espionne-t-elle-les-gens-a-distance" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">journaldemontreal.com/2019/04/</span><span class="invisible">16/la-police-de-montreal-espionne-t-elle-les-gens-a-distance</span></a></p><p><a href="https://www.cbc.ca/news/science/rcmp-surveillance-imsi-catcher-mdi-stingray-cellphone-1.4056750" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cbc.ca/news/science/rcmp-surve</span><span class="invisible">illance-imsi-catcher-mdi-stingray-cellphone-1.4056750</span></a></p><p><a href="https://goodtech.info/rayhunter-ce-nouvel-outil-open-source-detecte-lespionnage-sur-mobile/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">goodtech.info/rayhunter-ce-nou</span><span class="invisible">vel-outil-open-source-detecte-lespionnage-sur-mobile/</span></a></p><p><a href="https://mamot.fr/tags/EFF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EFF</span></a> <a href="https://mamot.fr/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> <a href="https://mamot.fr/tags/RCMP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RCMP</span></a> <a href="https://mamot.fr/tags/SPVM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SPVM</span></a> <a href="https://mamot.fr/tags/opsec" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opsec</span></a></p>
Yooks<p>Rayhunter up and running. Honestly, the hardest part was upgrading Mint to 22.1.</p><p>Green line=good. Going to take it out for a test drive tomorrow and see what I can capture.</p><p><a href="https://mstdn.fan/tags/eff" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eff</span></a> <a href="https://mstdn.fan/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> <a href="https://mstdn.fan/tags/cellsim" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cellsim</span></a></p>
eternalyperplxed<p>Got my hotspot today and within 5 minutes had <a href="https://infosec.exchange/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> up and running from <span class="h-card" translate="no"><a href="https://mastodon.social/@eff" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>eff</span></a></span></p><p><a href="https://infosec.exchange/tags/resist" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>resist</span></a> <a href="https://infosec.exchange/tags/privacy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>privacy</span></a> <a href="https://infosec.exchange/tags/antisurveillance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>antisurveillance</span></a></p>
Stéphane Bortzmeyer<p>Quelqu'un a réussi à acheter un joujou 4G-Wifi hotspot Orbic en France ? J'aimerai éviter Amazon (qui de toute façon ne veut pas le livrer en France) et je n'ai pas de compte Ebay. C'est pour installer <a href="https://mastodon.gougere.fr/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> <a href="https://www.eff.org/deeplinks/2025/03/meet-rayhunter-new-open-source-tool-eff-detect-cellular-spying" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eff.org/deeplinks/2025/03/meet</span><span class="invisible">-rayhunter-new-open-source-tool-eff-detect-cellular-spying</span></a></p>
m0veax<p>Falls ihr auf der <a href="https://det.social/tags/mrmcd24" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mrmcd24</span></a> einen tplink-m7350 mitgenommen habt und <a href="https://det.social/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> ausprobieren wollt, findet ihr alle Infos dazu verlinkt in diesem Issue <a href="https://github.com/EFForg/rayhunter/issues/106#issuecomment-2706661413" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/EFForg/rayhunter/is</span><span class="invisible">sues/106#issuecomment-2706661413</span></a></p>
Ricky<p>Talk by the authors of the EFF <a href="https://mastodon.social/tags/Rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rayhunter</span></a> tool used to detect IMSI catchers (Stingrays). Talk goes from them knowing basically nothing to software implementation including under the hood details. Well worth a watch if you're into surveillance tech.</p><p><a href="https://youtu.be/-_jUZBMeU5w?start=4335" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/-_jUZBMeU5w?start=4335</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/rayhunter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayhunter</span></a> <a href="https://mastodon.social/tags/privacy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>privacy</span></a> <a href="https://mastodon.social/tags/surveillance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>surveillance</span></a> <a href="https://mastodon.social/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> <a href="https://mastodon.social/tags/rust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rust</span></a> <a href="https://mastodon.social/tags/shmoocon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>shmoocon</span></a></p>
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