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using HackRF and python Amodem to Send File (txt, pdf, jpeg) over the radio with modulation BPSK (bitrate = 1). #HackRF #amodem #pythonprogramming #SDR #Linux #programmer #gnuradio Great Scott Gadgets rtl-sdr.com cemaxecuter

15,734 次观看 • 2 年前 •via X (Twitter)

11 条评论

YD1RUH 的头像
YD1RUH2 年前

Soon I'll push to repo github.. still on unit testing.. #HackRF #amodem #pythonprogramming #SDR #Linux #programmer #gnuradio

YD1RUH 的头像
YD1RUH2 年前

Another test before compiling. using HackRF and python Amodem to Send File (txt, pdf, jpeg) over the radio 4 QAM between 2 different computer. #HackRF #amodem #pythonprogramming #SDR #Linux #programmer #gnuradio #Hacker @GSGlabs @rtlsdrblog @cemaxecuter

YD1RUH 的头像
YD1RUH2 年前

I've implement gui feature for control volume and squelch, to help calibrate with python amodem. is there any suggestion ? or by doing this it's enought to solve my problem ? really appreciate any suggest. #HackRF #amodem #pythonprogramming #SDR #Linux #programmer #gnuradio #Hacker #softwaredefinedradio #CyberSecurity @GSGlabs @rtlsdrblog @cemaxecuter

cemaxecuter 的头像
cemaxecuter2 年前

@GSGlabs @rtlsdrblog Can’t wait to update and try!

cemaxecuter 的头像
cemaxecuter2 年前

@GSGlabs @rtlsdrblog What happens if you encrypt a file? Guess you’d be “encrypting” the communication? 🤔

YD1RUH 的头像
YD1RUH2 年前

@GSGlabs @rtlsdrblog I've been doing it before, long time ago. but just bash script. I've encrypt the data using openssl AES256 block cipher before send it over radio.

NasiGorengUnited 的头像
NasiGorengUnited2 年前

@GSGlabs @rtlsdrblog @cemaxecuter @hermawan_wd coba di RS-44 gak om ?😄

cemaxecuter 的头像
cemaxecuter2 年前

@GSGlabs @rtlsdrblog That’s extremely cool btw.

yc9dck 的头像
yc9dck2 年前

@GSGlabs @rtlsdrblog @cemaxecuter Inovasi tiada henti Om 👍 mantap banget

Ali 的头像
Ali2 年前

@GSGlabs @rtlsdrblog @cemaxecuter @octacons can we use the USRP B200 instead of hackrf?

YD1RUH 的头像
YD1RUH2 年前

@GSGlabs @rtlsdrblog @cemaxecuter because osmocom gnuradio support USRP, it's posible.

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18,896 次观看 • 1 年前

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stevibe

55,152 次观看 • 17 天前

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James Stephenson

922,497 次观看 • 2 个月前

Here is a live demo of our AI solution I've been building non-stop over the past 8 months Binary Defense. How it works: Our own model trained on our analysts behavior. Our analysts submit tickets as false positives/true positives with context which enriches our LLM to be smarter over time. Key Highlights: If its a binary - will automatically spin up an agent for reverse engineering it and using EMBER ML to understand behavior and intent of the binary. File formats: Supports a vast array of pretty much any filetype, including email attachments like SVG, LNK, etc. Can handle DLLs, ELF, EXEs, PDF, XLS, DOC, etc. Interrogates the full chain of all events irrespective of log sources. Can handle any format of logs and integrates into APIs of customers for additional agentic data looping for confidence ranking when needed. This is an example of the back-end UI, this is transparent to analysts and enriches the alarms automatically in our SOAR. In these examples there's three different types: 1. Regsvr32 + sct downloader + scrobj.dll code execution - checks reputation of domain, pulls in threat intel, looks at entire picture of the chain - downloads the file itself and inspects for code analysis. Determines if malicious as well as historically looking back if seen in customer before in past. 2. Powershell Obfuscation - uses a universal decoder to un-obfuscate powershell and look at the raw code. Can handle pretty much any obfuscation thrown at it (thanks Justin Elze). 3. Email with malicious SVG - checks tonality of email, are they creating urgency to take action (increases confidence) - disassembles SVG to understand malicious content - checks URL to determine if harvesting credentials, payload delivery, etc. Creates an entire kill chain analysis with full response and dissecting of the attack to the analyst in seconds. Has greatly sped up our ability to respond to incidents and allowing analysts to focus on the most important alarms through prioritization. Once cool thing I've worked heavily on is a synthetic data normalizer which when an analyst says "Yes this is bad with context" or "No this is a false positive" - our local model generates training data to be smarter in the future without using the actual customer data to train it. The customers actual data is immediately destroyed once training data off of the original alarm is generated and contains no customer-centric data at all. We also have three model tiers. Opt-In (collective model, again no customer data but every organization contributes to training). Opt-Out - does not train on any customer data for customers who opt-out. Private LLM - LLM created specifically for individual customer and trains only off of their data. Uses shared model collective for better confidence rankings. It will generate automated playbooks to run based on confidence rankings to take action on behalf of the customer. Still human driven on execution - has to approve playbook actions. This thing is cooking and so cool to see this work live and shut down attackers much faster! If confidence ranking is low - will automatically attempt to enrich data through customer environments for better confidence rankings. Additionally if the model isn't trained well on a certain technology, I have created something we call "Nexus" that will research new protocols, devices, SDKs, etc and generate training data automatically. Works well for zero-days for example, point to a tweet, or a research paper, and automatically generates training data to recognize this attack much faster. Have over 8000+ yara rule integrations that help with confidence boosting as well that is automatically incorporated into the analysis. Creating some amazing stuff at Binary Defense that isn't marketing fluff - actionable things that are making a huge difference in this industry. #BinaryDefense

Dave Kennedy

29,036 次观看 • 6 个月前

After 8+ years on the Tesla Autopilot team and 3 years at Intel, I started Apex Compute to design a new architecture for efficient AI inference. For the past 9 months, we’ve been building our custom inference accelerator. Today we’re releasing Unified Engine v1. Last June we raised our seed round with Maxitech , DeepFin Research, Soma Capital and an incredible group of angel investors. In less than 9 months, we completed our RTL architecture and brought our first pre-silicon prototype to life on FPGA. Our architecture combines systolic array and vector processing in a single compute engine with multiple architectural optimizations, achieving very high FLOPs utilization. A single engine is super lean and it uses less than 90K LUTs and 1 MB Block RAM. It may also be one of the smallest logic-footprint compute engines developed so far. Our Unified Engine v1 supports: -matrix-matrix multiplication (~95% FLOPs utilization) -softmax (~90% FLOPs utilization) -broadcast and element-wise operations -RMSNorm / LayerNorm -block quantization/dequantization (fp4, int4) -multi-engine synchronization and many other operations. We even implemented memory-efficient attention similar to FlashAttention, reaching ~90% FLOP utilization. Full benchmarks and the software stack are available on our GitHub: We have basic compiler written in Python and it supports PyTorch tensors directly to easily test and transfer tensors between the accelerator and host using bf16, fp4 and int4 formats. Our FPGA prototype can already run LLM inference and outperform NVIDIA Jetson Orin Nano, even on a mid-tier FPGA setup (6.4x lower memory bandwidth, 18% slower clock speed at 4.5 Watts). Check the side-by-side comparison video below. Our GitHub includes low-level operator implementations, examples for tiled matrix multiplication, operation chaining, tensor parallelism, attention kernel and a full Gemma 3 1B model implementation. Many more models(Vision Transformers and VLA) are coming soon. Our accelerator IP is AXI-ready for deployment on any AMD(Xilinx) FPGA platform today. Even better, our two-engine prototype runs on an entry-level AMD(Xilinx) FPGA as a PCIe accelerator card. You can purchase it here for $50 to experiment our pre-silicon prototype on your desktop PC or Raspberry Pi 5. We will be releasing hardware bitstream updates as the architecture gets new features. More to come soon! We are expanding our team and looking for compiler engineers and floating-point hardware design engineers. If you're interested, please send me a DM.

Hasan

37,748 次观看 • 6 个月前

This is the first real AI cold war. Anthropic is HIDING secret spy code inside its most popular coding tool. The code was designed to identify Chinese users without their knowledge. Now Alibaba has banned every single Anthropic product from its entire company. And the full picture is way more insane than either side wants you to see: On June 30, a security researcher on Reddit reverse-engineered Claude Code, Anthropic's AI coding agent that has deep access to every file on your computer. What they found buried inside the software was genuinely disturbing... Since April 2, Anthropic had been silently shipping hidden detection code inside every copy of Claude Code. The code checked whether your system timezone was set to Shanghai or Urumqi. It scanned your proxy settings against a hardcoded list of Chinese corporate networks, specifically targeting Alibaba, ByteDance, Baidu, and Moonshot AI. But here is the part that made security researchers lose their minds: The code did not send a normal signal back to Anthropic's servers. Instead it used steganography, a technique from military intelligence, to hide its findings INSIDE the text Claude was already generating. It swapped invisible Unicode characters in Claude's system prompt. Changed a standard apostrophe to one of three visually identical but technically different characters depending on which flags triggered. Switched date formats from dashes to slashes. Invisible to the human eye. But perfectly readable by Anthropic's backend. The detection logic was XOR-obfuscated to prevent anyone from finding it during a code review. It shipped with zero disclosure in the release notes. Three months of silent surveillance baked into a tool that has full access to your local file system. An Anthropic engineer confirmed the whole thing on X on July 2. Called it "an experiment we launched in March that was meant to prevent account abuse." Said the team had "been meaning to take this down for a while." The code was removed on July 1, one day after the Reddit post went viral. Three months of covert user fingerprinting. Removed the day after someone found it. Described as an experiment they forgot to turn off... Now here is where it becomes a full blown corporate war: Three weeks before the backdoor was discovered, Anthropic had sent a letter to the US Senate Banking Committee accusing operators linked to Alibaba's Qwen AI lab of running the largest model theft campaign in the company's history. 25,000 fake accounts. 28.8 million queries over 44 days. All designed to copy Claude's reasoning capabilities and train a competing Chinese model for free. So the sequence reads like this: Alibaba allegedly steals Claude's brain using 25,000 fake accounts. Anthropic responds by secretly embedding surveillance code inside Claude Code to catch them. A Reddit user catches Anthropic doing it. Alibaba uses the discovery as justification to ban every Anthropic product from its entire workforce effective July 10 and force 200,000 employees onto its own tool, Qoder. The thief caught the cop planting a wiretap. And now the thief is using the wiretap as evidence that the cop is the real criminal. Alibaba classified Claude Code as "high-risk software with security vulnerabilities" in an internal notice reported by the South China Morning Post. Meanwhile Anthropic is simultaneously fighting the Pentagon over a blacklist designation, lobbying Washington to crack down on Chinese distillation, and getting caught running the exact kind of covert operation that makes their "responsible AI" branding look like a punchline. Alibaba allegedly ran the largest AI theft operation ever documented. Anthropic secretly built invisible tracking into a tool with root access to your computer. The US government restricted American access to the very models China already copied. And a random Reddit user with a debugger exposed the whole thing.

Ricardo

23,634 次观看 • 2 个月前

The most valuable stock tip in Wall Street history was given for free in June 1983, in a tent in Aspen, by a 28-year-old founder whose flagship product was seven months from launch. His name was Steve Jobs. Nobody in finance was in the audience. Warren Buffett did not buy the stock for another 33 years. A $1,000 position that day is worth over $2 million now. The venue was the International Design Conference. Theme that year: "The Future Isn't What It Used to Be." Jobs waited at the back of a big canvas tent on the morning of his talk, holding a stack of slides, listening to the crowd file in. He walked to the mic and spoke for an hour to a few hundred designers. Most of them had never touched a computer. He read them a list of things that did not exist yet. Networks that let a computer in California send software to a buyer in Nebraska. Radio waves so any device could talk to any other without a cable. A computer light enough to carry in a briefcase and cheap enough that a family bought one instead of a second car. Voices for input. Screens for storage. Objects on desks in every home. The web was six years away. WiFi was 16. The App Store was 25. He described all of them in one hour. The Macintosh was seven months from launch. IBM ran the industry. Retail chains had started throwing Apple boxes into the back room. Wall Street analysts were writing that Apple would not survive the decade. Jobs told the designers to build the thing anyway. "We have an opportunity to do it great or to do it so-so. And what a lot of us at Apple are working on is trying to do it great." Apple stock that morning traded at roughly 10 cents on a split-adjusted basis. It sits above 200 dollars now. That is a two-thousand-bagger. The roadmap was already read out loud in a tent, in front of a crowd that had no idea what to do with it. None of them wrote it up. No one on Wall Street picked it up. The cassette recording sat in a designer's moving box for decades before it surfaced online. Warren Buffett bought his first Apple share in 2016. Thirty-three years after Jobs told the room what he was building. The trade was not the stock. The trade was believing a 28-year-old with the Mac still unshipped when he described the next 40 years. Every generational winner sounds like a crank until the proof arrives. The market pays whoever can tell a crank from a builder before the ticker moves. Jobs is dead. Apple is worth over three trillion dollars. The tape is free. The vision was free. The patience to trust it before the tape leaks is the edge.

Veles

95,205 次观看 • 1 个月前

🔊UNBELIEVERS: ONE MORE TIME—DON'T CLOSE YOUR EARS!! The tribulation is coming, and you are completely unprepared for what’s around the corner! It will be the worst time in all of history, and you have no idea what’s coming. God is about to unleash His judgment on this world, and NO ONE will stop Him. The 7-year tribulation will soon begin, but before that, He will come to take His Church OUT of this world. IT'S TIME TO TURN TO JESUS!! 🔥Times are about to change once the Church is removed! The world as we know it will come to an end and it will face the 7-year tribulation. 📜It's all written in the book of Revelation which is a letter written by Jesus to His Church, where He tells us HOW He will judge and unveil His divine nature to this world after being hidden for 6,000 years. He opens the scroll and breaks the seals, revealing what is about to happen. ⚠️SNEAK PEEK OF WHAT'S COMING UP! 👉🏼First, Jesus will descend from heaven to resurrect and rapture His Church. All believers who have died in Him will be raised from the dead, and then, those of us who are still alive will be taken to heaven to be the Lord. The world will try to spin it as if it's related to aliens or some other fabricated story—do NOT be deceived! Remember, it's written: 📖 "For the Lord Himself will descend from heaven with a shout, with the voice of an archangel, and with the trumpet of God. And the dead in Christ will rise first. Then we who are alive and remain shall be caught up together with them in the clouds to meet the Lord in the air. And thus we shall always be with the Lord." 1 Thess 4:15-17 🖊️After the Church is taken away, the Antichrist will emerge and will sign a 7-year peace agreement with Israel allowing them to rebuild the third temple. This agreement will mark the beginning of the 7-year tribulation. It will be a time of great trouble, the worst the world has ever seen! 👉🏼During this time, according to the Book of Revelation, God will unleash 21 divine judgments upon the Earth, leading to the death of over half the world's population. These judgments will include turning both the seas and fresh drinking water into blood and causing the sun and moon to lose their light. 📜THIS IS HOW IT WILL UNFOLD: 👉🏼 Seven Seals: 1/4 of the world’s population dies. (Revelation 6) 1. The White Horse (Antichrist-false peace). 2. The Red Horse (War). 3. The Black Horse (Drought/Famine/Economic disaster). 4. The Pale Horse (Plague/Disease). 5. Martyrdom of those who refuse to worship the beast (The Tribulation saints massacre). 6. A massive earthquake reshapes the earth. 7. Silence in Heaven. 👉🏼 Seven Trumpets: 1/3 of the world’s population dies. (Revelation 8-11) 1. Hail and fire mixed with blood. 2. A great mountain cast into the sea. 3. Wormwood — a meteor that poisons a third of the drinking water. 4. A third of the sun, moon, and stars darkened (great cold and darkness) 5. First Woe (Those who accept the mark suffer under a plague of demonic locusts). 6. Second Woe (one-third of mankind killed by a demon army). 7. Third Woe (Lightning, Voices, Thunder, an Earthquake, and Great hail.) 👉🏼 Seven Vials/Bowls (Revelation 16) 1. Grievous Sores on those who take the mark of the beast. 2. The rest of the seas turn to blood. 3. Rivers and fountains turned to blood. 4. Great heat. 5. Great darkness over the earth. 6. The Euphrates River dries up. 7. A Massive earthquake and vast earth changes. 🕞During the midpoint of the tribulation, 3.5 years after the Antichrist signs the deal with Israel, he will sit in the temple, declaring himself as God and demanding to be worshipped. Israel will realize they've been deceived and seek refuge. If you're still here during this time, DO NOT ACCEPT THE MARK OF THE BEAST, it will be your doom, and you will go straight to hell! 👉🏼 The Battle of Armageddon (Revelation 19) At the conclusion of the seven years, the Beast's armies, alongside the kings from the east, assemble in the Megiddo Valley (Israel) with the intent to annihilate the remaining Jewish population. At this moment Christ will return in power and glory, accompanied by the Armies of Heaven. Together, they defeat the evil armies, securing the final victory! 👉🏼 The Judgment of the Nations (Matthew 25) Christ judges the remaining nations. This will be the end of the 6,000 years and a new era will begin for this world. 👉🏼THE MILLENIAL KINGDOM: Christ will reign on the throne of David in Israel, ruling over the earth for a thousand years. During this time, the world will be freed from the curse of sin, and it will become a peaceful place, as it was originally intended to be from the beginning! 🔥As far as our understanding goes, without salvation, all those who rejected Him will be sent to Hades (Luke 16:22–23) upon death, where they will experience an excruciating time waiting for the end of the 7-year tribulation and the 1,000-year millennial period when Jesus will rule on Earth. 💣After this, Satan who was bound will be released, and he will revolt against God again, but his rebellion will be finally defeated. At that point, the Bible tells us that he will be thrown into the lake of fire (Revelation 19: 19-20; 20:7-10). Then everyone who has died, whether they were important or not who rejected Christ and His cross, will face God at the "Great White Throne" (Revelation 20:11–15). 👉🏼Next, "the books" described in Revelation 20: 12 will be opened. These books hold records of everyone's deeds, whether good or evil. It's crucial to understand that God knows everything that has ever been said, done or even thought. Using this information, God will fairly judge each person based on their actions. 📕Another book will be opened at this moment, known as the "Book of Life" (Revelation 20: 12). This specific book plays a crucial role in deciding whether a person will receive eternal life with God or endure eternal punishment in the lake of fire. 🔥On this horrific day, all those who are not morally perfect and have rejected the free gift of salvation in Christ, His cross, will be thrown into hell, known as the lake of fire. Their fate will be sealed, and there will be NO HOPE of ever getting out! (Revelation 20:13) 👉🏼I don't share any of these terrible things with you to scare you, but to awaken you to the reality you face. The most important decision of your entire life is where you put your trust. Jesus is the way, the truth, and the life! He died so you can spend eternity at His side! 👉🏼God says: 📖" ‘As I live,’ says the Lord God, ‘I have no pleasure in the death of the wicked, but that the wicked turn from his way and live. Turn, turn from your evil ways! For why should you die, O house of Israel?" Ezekiel 33:11 ✝️Ready or not, the world as we know it is coming to an end, and at the end of that road, we will ALL face HIS cross. At that point, our future will depend on ONE decision we make here on Earth — choosing Jesus! Jesus Christ is Lord! 🔚At the end of that road, it will not matter what your opinion of Jesus is anymore. The Bible states that "every knee will bow and every tongue will confess that Jesus Christ is Lord." 🔊 At the cross is where it all ends for every person who has ever lived. The most important decision that you could ever make in your life is to believe in Jesus, this is where our life truly begins! 🔊TURN to HIM BEFORE YOUR FATE IS SEALED! DON'T REFUSE HIS INVITATION!! Jesus is coming for His Church to rescue us from those horrific 7 years of tribulation that the world must endure. We are at the end of the road! 👇🏼👇🏼👇🏼 ⚠️Believe Jesus is the Son of God, who shed His blood for you, and died on the cross for our sins, He was buried and resurrected during the third day, according to the Scriptures, so we can have eternal life with Him. The moment you believe in Him and that He died for your sins - you're saved, justified, sealed until the day of redemption, and rapture ready! The Holy Spirit will come to live inside of you - He will help you, guide you, change you, and be with you FOREVER! 📖"For God so loved the world that He gave His only begotten Son, that whoever believes in Him should not perish but have everlasting life." For God did not send His Son into the world to condemn the world, but that the world through Him might be saved. He who believes in Him is not condemned; but he who does not believe is condemned already, because he has not believed in the name of the only begotten Son of God." (John 3:16-18) ︵‿︵‿︵‿︵︵‿︵‿︵‿︵︵‿︵‿︵‿ Maranatha!🤍🤍🤍

Maranatha777

15,233 次观看 • 1 年前