Tag Spectre

InfoSec Week 7, 2018

The Fidelis Cybersecurity researcher Jason Reaves demonstrated how covertly exchange data using X.509 digital certificates. The proof of concept code is using SubjectKeyIdentifier and generating certificates on the fly.
https://www.fidelissecurity.com/threatgeek/2018/02/exposing-x509-vulnerabilities

The "UDPoS" Point of Sale malware is using DNS traffic to exfiltrate stolen credit card data.
https://blogs.forcepoint.com/security-labs/udpos-exfiltrating-credit-card-data-dns

Talos analyzed malware threat targeting Olympic computer systems during the opening ceremony. The main purpose was information gathering and destroying the system.
http://blog.talosintelligence.com/2018/02/olympic-destroyer.html

Zero-day vulnerability in the Bitmessage messaging client was exploited to steal Electrum cryptocurrency wallet keys.
https://securityaffairs.co/wordpress/69100/hacking/bitmessage-zero-day.html

Trustwave analyzed multi-stage Microsoft Word attack which is NOT using macros. Really creative technique.
https://www.trustwave.com/Resources/SpiderLabs-Blog/Multi-Stage-Email-Word-Attack-without-Macros/

Microsoft can't fix Skype privilege escalation bug without the massive code rewrite, so they postponed it for a while.
http://seclists.org/fulldisclosure/2018/Feb/33

Facebook is advertising their Onavo VPN application, but there are a few reasons why it is really not a good idea to use it.
https://gizmodo.com/do-not-i-repeat-do-not-download-onavo-facebook-s-vam-1822937825

Facebook is spamming users via SMS registered for two factor authentication (2FA). Then posts their responses on a wall.
https://twitter.com/Gabriel__Lewis/status/963121814166630400

(Not only) Performance analysis of a Retpoline mitigation for Spectre vulnerability.
https://cyber.wtf/2018/02/13/in-debt-to-retpoline/

A guide on how to brutefoce Linux Full Disk Encryption (LUKS) volumes using Hashcat software.
https://blog.pnb.io/2018/02/bruteforcing-linux-full-disk-encryption.html

Proof of concept of LibreOffice remote arbitrary file disclosure vulnerability. It is possible to silently send any files. All operating systems affected before 5.4.5/6.0.1 versions.
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure

InfoSec Week 5, 2018

A.P. Moller–Maersk Group, the world's largest container shipping company, reinstalled 45000 PCs and 4000 Servers to recover from the NotPetya ransomware attack.
https://www.bleepingcomputer.com/news/security/maersk-reinstalled-45-000-pcs-and-4-000-servers-to-recover-from-notpetya-attack/

The U.S. Secret Service is warning financial institutions that ATM jackpotting attacks are targeting cash machines in the United States. Attackers are able to empty Diebold Nixdorf and possibly other ATM machines with malware, endoscope and social engineering skills.
https://krebsonsecurity.com/2018/01/first-jackpotting-attacks-hit-u-s-atms/

Microsoft disables Spectre software mitigation released earlier this month due to system instability.
http://www.securityweek.com/microsoft-disables-spectre-mitigations-due-instability

Data from the fitness tracking app Strava gives away the location of sensitive locations like army bases.
https://www.theguardian.com/world/2018/jan/28/fitness-tracking-app-gives-away-location-of-secret-us-army-bases

China built African union building for free, but the building is riddled with microphones and computers are transmitting all voice data back to servers in Shanghai.
https://twitter.com/i/web/status/957879611513278464

Journalist Marc Miller has interviewed one of the hackers of the ICEMAN group behind "Emmental" phishing campaign targeting bank clients.
https://securityaffairs.co/wordpress/64349/cyber-crime/iceman-hacker-interview.html

Errata Security blog about the political nature of the cyber attack attribution. Mostly about the WannaCry and North Korea connection, but it is a good overview on attribution bias in general.
http://blog.erratasec.com/2018/01/the-problematic-wannacry-north-korea.html

Great article about the largest malvertising campaign of a last year. So called Zirconium group operated up to 30 different ad agencies which enabled them to redirect users to the exploit kits, malware downloads and click fraud websites.
https://blog.confiant.com/uncovering-2017s-largest-malvertising-operation-b84cd38d6b85

AutoSploit is an automated exploitation tool written in python. It is able to search for targets using Shodan.io API and exploiting them with Metasploit.
https://github.com/NullArray/AutoSploit