HNHacker News
TopNewBestAskShowJobs

axsharma

262 karma · joined May 25, 2020

Security Researcher & Tech Reporter

@Ax_Sharma AxSharma.com

submissionscomments
axsharma··on [dead]
"On 16th December Amey became aware of a complex IT security incident during which a portion of our data was compromised. We have reported the incident to the Information Commissioner’s Office, the National Centre for Cyber Security, and the National Crime Agency." - Amey
axsharma··on [dead]
The Golang malware breaches Windows, Linux servers and exploits popular vulnerabilities such as a critical RCE in Oracle WebLogic, CVE-2020-14882.
axsharma··on [dead]
Kaggle, an online community of data scientists and machine learning practitioners has been exposing private competition data in a breach due to a misconfigured API.
axsharma··on [dead]
The leaked database dump contains ICCID, SIM PUK code, authentication hashes, and customer PII that can be used in SIM swapping attacks and for bypassing 2FA (such as in online banking).
axsharma··on [dead]
Multiple researchers have linked this strain to MuddyWater (aka SeedWorm and TEMP.Zagros), a government-backed advanced persistent threat (APT) group, first observed in 2017 while mainly targeting Middle Eastern entities.
axsharma··on [dead]
QR codes lead to public URLs that contain an enumerable report ID field, making it possible for an attacker to scrape all COVID-19 test reports for virtually any passenger.
axsharma··on American Bank Systems sued for not timely disclosing ransomware attack
related to https://news.ycombinator.com/item?id=25091717
axsharma··on Monoliths as a Service
Still not sure if this person/community is also behind the one in Romania, they've only suggested Utah and Cali via pics. https://www.bleepingcomputer.com/news/technology/monolith-my...
axsharma··on Steam gaming Windows privilege escalation attacks from writable install folder
Steam gaming platform creates world-writable installation directories that can make it easy for malware and malicious actors to escalate privileges and gain persistence on Windows PCs.
axsharma··on Passwords exposed for 50k Fortinet VPNs including govt orgs and banks
The gift that keeps on giving, from exploits to full usernames and passwords.
axsharma··on canada.gc.ca SSL certificate expires, breaking links
Government of Canada website https://www.canada.gc.ca is throwing SSL errors due to an expired certificate. Multiple Canadian government sites continue to have links to this older site which are now breaking, instead of redirecting to newer canada.ca.
axsharma··on Joe Biden's 'Vote Joe' Website Defaced by Turkish Hackers
Google continues to cache a defaced copy at the time of writing.
axsharma··on Mitsubishi companies hit by cyberattacks, ransomware
Mitsubishi Electric and sister companies such as Mitsubishi Polycrystalline have reportedly been hit by cyberattacks
axsharma··on Feds arrest Romanian duo selling FUD malware crypters: CyberSeal, DataProtector
Law enforcement agencies including the U.S. FBI, Romanian Police (Poliția Română, the Australian Federal Police (AFP), the Norwegian National Criminal Investigation Service (Kripos), and Europol were involved in the operation.

The malware "protectors" and testing services helped malware authors make their samples fully undetectable (FUD) to leading antivirus products.

axsharma··on Drupal RCE via file upload (abc.html.txt, filename.php.gif)
The vulnerability also tracked as SA-CORE-2020-012, exists due to improper validation of filenames of files uploaded to Drupal websites.

E.g. filename.php.txt or filename.html.gif, without an underscore (_) in the extension.

axsharma··on Chaes malware strikes Latin American e-commerce sites
Brazilian customers of largest Latin American e-commerce company MercadoLivre/MercadoLibre were targeted by this multi-stage malware.
axsharma··on Discord malware “CursedGrabber” linked to Russian and Ukrainian hackers
C# Discord malware family "CursedGrabber" has hints and clues attributing its authorship to Russian and Ukrainian actors.
axsharma··on Insomnia Cookies leaks database passwords
The data exposed via public .env files included production server database credentials, including the DB server addresses, ports, usernames, passwords, and API keys.
axsharma··on Coil micropayments platform leaks user emails in 'Privacy Policy' update
Coil has accidentally exposed some of its users' email addresses in a mass email announcement sent out today.

Ironically, the mishap happened within an email announcement related to the company's Privacy Policy updates.

axsharma··on New Ethereum vulnerabilities put almost $1B at stake
The vulnerabilities range from integer underflow/overflow to unauthorized withdrawals and "self-destructs" of smart contracts.
axsharma··on American Bank Systems hit by Avaddon ransomware, 53 GB dump leaked
American Bank Systems (ABS) provider to U.S. banks and financial institutions has been hit by Avaddon ransomware ops.

Full 53 GB data dump with personal info of banks and their customers leaked.

axsharma··on DNS cache poisoning attacks return due to Linux weakness
DNS cache poisoning hack discovered by Kaminsky in 2008 has returned due to how Linux ICMP rate limiter defaults to 1,000 requests/second. A side-channel attack can be used to deduce open ports and pollute DNS resolvers.
axsharma··on Discord.dll – a more advanced version of “fallguys” NPM malware
"Discord.dll" a successor to #npm "fallguys" went undetected for over 5 months. The heavily obfuscated multi-file malware exfiltrates web browser files from Yandex, Chrome, Opera, Brave (leveldb storage files) and sends over your IP, PC username, Discord tokens via a Webhook.
axsharma··on HMRC tax smishing scam 'mirrors' real UK banking sites, collects extensive info
The smishing campaign is concerning as it employs multiple HMRC phishing domains and tactics, with new domains added every day as older ones get flagged by spam filters.

Not only do the phishing pages mimic HMRC's web interface meticulously, but they also have entire online banking workflows built into them, depending on who your banking provider is.

axsharma··on Trump lawsuit site to report “rejected votes” leaked voter data
Some users allege SQL injections made it possible to also obtain voters' SSN and DOB.
axsharma··on Reverse shell botnet Gitpaste-12 spreads via GitHub and Pastebin
It exploits at least 12 known vulns, targets random IPs in a subnet, mines XMR, evades detection, and gains persistence.
axsharma··on SaltStack reveals new critical vulnerabilities, patch now
Confusing disclosure timeline: While the vulnerabilities were disclosed today, it is worth noting that fixes for all three vulnerabilities were committed and disclosed to GitHub much earlier.

For example, the fix for CVE-2020-16846 was pushed to GitHub as early as August 18th, and the Salt client test cases for the shell injection flaw also mention multiple Zero-Day Initiative (ZDI) IDs, such as ZDI-CAN-11143. The date of the original report on this identifier, however, is June 2020 as shown in BleepingComputer's post.

axsharma··on Home Depot blunder spills order info of hundreds of customers to strangers
Exclusive: Home Depot Canada accidentally sent several customers HUNDREDS of order pick-up emails exposing order info, customer name, order history and last 4 digits of payment card due to "a systems error."
axsharma··on Lightning Network fully discloses “concerning” crypto vulnerabilities
The vulnerabilities that the October 9th upgrade advisory briefly talked about have been fully disclosed this week by Lightning Network.
axsharma··on Bug bounty reporter cashes out on someone else's vulnerability exploit
Monero staff has stated in the same HackerOne report that even though the bug was plagiarized, that they are unable to withdraw the already-paid sum of money.

"NB: this disclosure was stolen (!!) from Guido Vranken's original disclosure without any credit given to him. We missed that this was ripped straight from there as our focus was on reproducing the issue and fixing it. This is beyond scummy. Please don't do this. We've reached out to Guido to pay him a bounty; sadly we can't redact the bounty from Everton Melo."

← PreviousPage 2 of 3Next →