Tag China

InfoSec Week 33, 2018

There is an OpenSSH user enumeration attack against all software versions on all operating systems.
It's a timing attack with proof of concept already published.
http://www.openwall.com/lists/oss-security/2018/08/15/5
https://bugfuzz.com/stuff/ssh-check-username.py

The so-called RedAlpha malware campaign targeting the Tibetan community is deploying a novel “ext4” Linux backdoor. The group is using infrastructure registered with Tsinghua1 University, China and is believed to be conducted by Chinese state-sponsored actors in support of China’s economic development goals.
https://www.recordedfuture.com/chinese-cyberespionage-operations/

The Australia’s Assistance and Access Bill, introduced this week, want to jail people for up to 10 years if they refuse to unlock their phones.
https://nakedsecurity.sophos.com/2018/08/16/australians-who-wont-unlock-their-phones-could-face-10-years-in-jail/

A new research paper named "Piping Botnet - Turning Green Technology into a Water Disaster" demonstrate that the researchers were able to manipulate commercial smart IoT systems used for regulating water and electricity resources.
https://arxiv.org/abs/1808.02131

The guy with his BMW car encountered the theft attempt, where something that looked like a vandalism was actually a really smart attack against the modern alarm system.
https://mrooding.me/a-dutch-first-ingenious-bmw-theft-attempt-5f7f49a96ec8

Cloudflare analyzed the changes and improvements of a new TLS 1.3 (RFC 8446) standard that was finally published last week.
https://blog.cloudflare.com/rfc-8446-aka-tls-1-3/

New Foreshadow attack demonstrates how speculative execution can be exploited for reading the contents of Intels' SGX-protected memory as well as extracting the machine’s private attestation key.
https://foreshadowattack.eu/

Practical dictionary attacks are possible against the main mode of IPsec IKEv1/v2 standard. Successful exploitation of a weak password requires only a single active man-in-the-middle attack.
https://web-in-security.blogspot.com/2018/08/practical-dictionary-attack-on-ipsec-ike.html

If you are interested how cryptographic key management is practically done, I have written a blog Commercial Cryptographic Key Management in 2018, where I am explaining a little bit about the hardware, people and processes behind it.
https://www.malgregator.com/key-management.html

Google published BrokenType, the font fuzzing toolset that helped find lots of vulnerabilities in the Windows kernel. It includes a font mutator, generator and loader.
https://github.com/google/BrokenType

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

InfoSec Week 48, 2017

The German Interior Minister is preparing a law that will force device manufacturers to include backdoors within their products that law enforcement agencies could use at their discretion for legal investigations.
https://www.bleepingcomputer.com/news/government/germany-preparing-law-for-backdoors-in-any-type-of-modern-device/

According to the Citizen Lab, Ethiopian dissidents in the US, UK, and other countries were targeted with emails containing sophisticated commercial spyware sold by Israeli firm Cyberbit.
https://citizenlab.ca/2017/12/champing-cyberbit-ethiopian-dissidents-targeted-commercial-spyware/

Elcomsoft wrote an insight about the drastically degraded security of the Apples iOS 11 operating system.
https://blog.elcomsoft.com/2017/11/ios-11-horror-story-the-rise-and-fall-of-ios-security/

Chinese drone maker D.J.I. is potentially sharing collected data with the Chinese government.
https://mobile.nytimes.com/2017/11/29/technology/dji-china-data-drones.html

Crooks are installing cryptocurrency miners by using typosquatting npm package names. They are searching for the unregistered package names with the difference of one bit from a well known packages.
https://medium.com/avahowell/bitsquatting-npm-packages-533c988d568f

Swiftype written a good blog about their infrastructure risk assessment and threat modeling.
https://swiftype.engineering/threat-modelling-and-infrastructure-risk-assessment-at-swiftype-6c1b337c7df1

Nvidia published a paper about the clustering of a benign and malicious Windows executables using neural networks.
https://devblogs.nvidia.com/parallelforall/malware-detection-neural-networks/

Bucket Stream - Find interesting Amazon S3 Buckets by watching certificate transparency logs.
https://github.com/eth0izzle/bucket-stream

Sysdig Inspect – a powerful interface for container troubleshooting and security investigation
https://github.com/draios/sysdig-inspect/

InfoSec Week 20, 2017

Researchers published WannaCry ransomware decryption tool for older Windows (XP, 2003, 7). It uses bug in the Windows Crypto API which does not immediately erase private key. The application is crawling the computer memory, looking for the prime numbers which can divide the public key used for the encryption.
https://github.com/gentilkiwi/wanakiwi/releases

Google introduced behavior-based malware scanner to every Android device. It's part of the Google Play Service and scans installed apps and provides phone tracking in the case of theft.
https://blog.google/products/android/google-play-protect/

Croatian CERT honeypot detected a new SMB worm which uses seven tools from the NSA hacking toolkit. It uses Tor based C&C server, currently only beaconing the server, and spreading using the SMB exploit.
https://github.com/stamparm/EternalRocks

Research by the Recorded Future and the Intrusiontruth group concludes that so-called APT3, widely believed to be a China-based threat actor, is directly connected to the Chinese Ministry of State Security (MSS).
https://www.recordedfuture.com/chinese-mss-behind-apt3/
https://intrusiontruth.wordpress.com/2017/05/09/apt3-is-boyusec-a-chinese-intelligence-contractor/

Sophos discovered malware infecting Seagate NAS devices which turn them into Monero cryptocurrency miners. However, “This threat is not targeting the Seagate Central device specifically; however, the device has a design flaw that allows it to be compromised. Most all of these devices have already been infected by this threat.” https://www.sophos.com/en-us/medialibrary/PDFs/technical%20papers/Cryptomining-malware-on-NAS-servers.pdf?la=en

Wikileaks released another CIA malware spying framework. Called 'Athena', the program "provides remote beacon and loader capabilities on target computers running the Microsoft Windows operating system (from Windows XP to Windows 10)."
https://wikileaks.org/vault7/#Athena

Maltrail is a malicious traffic detection system, utilizing publicly available lists containing malicious and generally suspicious trails, along with static trails compiled from various AV reports and custom user defined lists.
https://github.com/stamparm/maltrail