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Ganz große Klasse!

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Gli ultimi otto messaggi ricevuti dalla Federazione
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    You are not immune to Propaganda#39C3 #sticker #stickerexchange #stickerart
  • Hey #39C3!

    Fediverso 39c3 fediverse mastodon
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    @melaniebartos @cbase amazing! bravissima Melanie
  • printf "%s\n" 'e

    Uncategorized 39c3 w3m awk unix wget curl
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    printf "%s\n" 'e !sort -u %' wq | ed -s skip; w3m -dump 'https://cdn.media.ccc.de/congress/2025/webm-hd/' | awk '/\[[0-9]+\] https:.*webm-hd.*\.webm$/{print $2}' | sort | comm -23 - skip | tee urls | while read -r u; do echo $u; grep -Fq "$u" skip && continue; wget -c "$u" && echo $u >> skip; doneDownloading recorded talks from #39c3 using #ed #w3m #awk and other #unix tooling <3Thought about replacing #wget with #curl but old dogs and such...
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    The "Bluetooth Headphone Jacking" talk at #39c3 was awesome, too. They reversed a popular SOC that powers Bluetooth earbuds and headphones.They found that (even without being paired to the headphone), they could dump flash and RAM from the device. Then they dumped a bunch of info from the device - e.g. the #Bluetooth address and "master" encryption keys used for the communication with paired devices (e.g. a #phone).Then they impersonated the headphone from their laptop and connected to the phone (pretending to be the headphone).The headphone (or the laptop impersonating the phone) has permissions to do some things on the phone, e.g. accept calls, increase/decrease volume, etc.Then they started recovering access a #WhatsApp account via some account recovery mechanisms. That required some one-time security key which would normally be delivered via SMS, but that could be delivered via phone call as a fallback option, too. Since the phone thought it was connected to the Bluetooth headphone, phone call audio would go to the laptop via Bluetooth.As the cherry on top, they escalated into the victim's #Amazon account.Scary shit. #YouCannotBeParanoidEnough #security