JJTech

JJTech✓

Mastodon @jjtech@infosec.exchange
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Make a deal with JJTech

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→

Every booking is a normal escrow-protected deal.

Followers
645
Account age
3 yrs

Known for

Just got my #Pebble 2 Duo!9 views Just got my #Pebble 2 Duo! Turns out, I was right! I have a script that can run with SIP fully enabled and no entitlements, and it can take over the #Thread radio and use it to sniff raw 802.15.4 packets (including #ZigBee!) Works on M3+ #Macs, except some of the new M5 MacBooks which have the new Apple N1 chip (codenamed Pro7 views Turns out, I was right! I have a script that can run with SIP fully enabled and no entitlements, and it can take over the #Thread radio and use it to sniff raw 802.15.4 packets (including #ZigBee!) Works on M3+ #Macs, except some of the new M5 MacBooks which have the new Apple N1 chip (codenamed Pro I wanted to use this to decrypt connections made using MobileDevice.framework over lockdownd, so I created the following: Custom #Wireshark dissector for the usbmuxd TCP encapsulation: https://gist.github.com/JJTech0130/da77af43269076f6ea78f69471d1df6e SSL keylog for the version of LibreSSL MobileDe7 views I wanted to use this to decrypt connections made using MobileDevice.framework over lockdownd, so I created the following: Custom #Wireshark dissector for the usbmuxd TCP encapsulation: https://gist.github.com/JJTech0130/da77af43269076f6ea78f69471d1df6e SSL keylog for the version of LibreSSL MobileDe I did it 🎉4 views I did it 🎉

📊 Post engagement

4
Avg engagement / post
0.6%
Engagement vs followers
Nov 2022
On Mastodon since

🔥 Top post: Just got my #Pebble 2 Duo! · 9 likes + reposts

📊 Activity & format

Posting cadence
0.12 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 0 text · 12 image · 0 video.

Recent posts

View on Mastodon ↗
🔥 Top post Just got my #Pebble 2 Duo! ★ 9
Turns out, I was right! I have a script that can run with SIP fully enabled and no entitlements, and it can take over the #Thread radio and use it to sniff raw 802.15.4 packets (including #ZigBee!) Works on M3+ #Macs, except some of the ne… ★ 7 I created a (very rough) tool to play around with the #Thread radio built-in to M3+ #AppleSilicon #Mac devices! Unfortunately, it requires private entitlements, so you'll need SIP disabled and AMFI bypassed. https://github.com/JJTech0130/t… ★ 2 I used Wireshark on threadradiod's utun interface on my Mac, and when I toggle a Matter-over-Thread lamp using Home app I see #Matter packets sent on port 5540! It seems like after a minute or two the Home app figures out there is a Thread… ★ 3 I wanted to use this to decrypt connections made using MobileDevice.framework over lockdownd, so I created the following: Custom #Wireshark dissector for the usbmuxd TCP encapsulation: https://gist.github.com/JJTech0130/da77af43269076f6ea7… ★ 7 I did it 🎉 ★ 4 I found it very funny that there is an internal board to extract PoE power It uses normal Ethernet and barrel jack cables internally to connect to the main board ★ 2 In any case, I got it authorized with SAS! ★ 3 Connected my 1000BASE-T1 eval board to the ECG2 this is what the actual connector looks like (it holds 5 of these single-pair-Ethernet connectors together in a bundle) I was unable to find the "Ethernet Master Connector used on Ford's Gateway Module (ECG2) So I hacked up TEConnectivity's similar GEMNet connector to make it fit #Ford #TEConnectivity #CustomConnector Just got #AppleIntelligence fully enabled on #iOS 18.1b1 (no tricks, this is just part of the new beta) ★ 2

🐘 Community & instance

Home server
infosec.exchange
A cybersecurity & infosec server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.

💡 Facts

🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 4 views per post.
📤Posts about 0.1× per week.

🛡️ Audience credibility

76/100 Good
  • Est. 85% real, active audience · Low fake-follower risk.
  • Content engagement (~0.6% of followers) is around typical for Mastodon.
  • Verified account.
  • Established account (3+ years old).
Est. authentic audience
85%
Fake-follower risk
Low

Heuristic estimate from view-through, engagement vs size and recent growth — a screening signal, not a guarantee.

About

Reverse engineer, student Currently contracting for Beeper

📸 Gallery

Turns out, I was right! I have a script that can run with SIP fully enabled and no entitlements, and it can take over the #Thread radio and use it to sniff raw 802.15.4 packets (including #ZigBee!) Works on M3+ #Macs, except some of the new M5 MacBooks which have the new Apple N1 chip (codenamed Pro I created a (very rough) tool to play around with the #Thread radio built-in to M3+ #AppleSilicon #Mac devices! Unfortunately, it requires private entitlements, so you'll need SIP disabled and AMFI bypassed. https://github.com/JJTech0130/threadctl I used Wireshark on threadradiod's utun interface on my Mac, and when I toggle a Matter-over-Thread lamp using Home app I see #Matter packets sent on port 5540! It seems like after a minute or two the Home app figures out there is a Thread Border Router and shuts down utun9 in favor of just using th I wanted to use this to decrypt connections made using MobileDevice.framework over lockdownd, so I created the following: Custom #Wireshark dissector for the usbmuxd TCP encapsulation: https://gist.github.com/JJTech0130/da77af43269076f6ea78f69471d1df6e SSL keylog for the version of LibreSSL MobileDe Just got my #Pebble 2 Duo! I did it 🎉 I found it very funny that there is an internal board to extract PoE power It uses normal Ethernet and barrel jack cables internally to connect to the main board In any case, I got it authorized with SAS!

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

eduo eduo 16% Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ ಎನ್ Thejesh GN ⏚ ತೇಜೇಶ್ ಜಿ ಎನ್ 16% wallmask3 🌸 artist wallmask3 🌸 artist 14% A. L. Lester :heart_sp_pride: A. L. Lester :heart_sp_pride: 12% Kate :verigold: Kate :verigold: 10% Asher Wynne Asher Wynne 10%

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