Tag encryption

InfoSec Week 5, 2019

According to a Reuters investigation, United Arab Emirates used former U.S. intelligence operatives to hack into the iPhones of activists, diplomats and foreign politicians using so-called Karma spyware.
https://www.reuters.com/investigates/special-report/usa-spying-karma/

The Russia also has it's own Wikileaks. Called Distributed Denial of Secrets, the website aims to "bring into one place dozens of different archives of hacked material that, at best, have been difficult to locate, and in some cases appear to have disappeared entirely from the web."
https://www.thedailybeast.com/this-time-its-russias-emails-getting-leaked

The Japanese government will run penetration tests against all the IoT devices in the country in preparation for the Tokyo 2020 Summer Olympics. They want to map vulnerable devices and find out how to harden infrastructure.
https://www.zdnet.com/article/japanese-government-plans-to-hack-into-citizens-iot-devices/

Researchers analyzed 6000 router firmware images and the result is quite depressing. The home router software safety hygiene deteriorated over the past 15 years.
https://the-parallax.com/2019/01/24/wi-fi-router-security-worse-citl-shmoocon/

A Samsung Galaxy Apps Store bug allowed an attacker to inject arbitrary code through the interception of periodic update requests made by the Apps Store.
https://www.adyta.pt/en/2019/01/29/writeup-samsung-app-store-rce-via-mitm-2/

Vulnerable Cisco RV320/RV325 routers are being exploited in the wild. Thousands of routers are exposed on the internet with the web-based management interface vulnerability that could allow an unauthenticated, remote attacker to retrieve sensitive configuration information.
https://securityaffairs.co/wordpress/80363/hacking/cisco-rv320-rv325-hack.html

US National Institute of Standards and Technology (NIST) announced the second-round candidates for quantum resistant public-key encryption and key-establishment algorithms.
https://groups.google.com/a/list.nist.gov/forum/#!topic/pqc-forum/bBxcfFFUsxE

The vulnerability in the Apples' FaceTime application enables caller to hear called person without accepting a call. Apple decided to turn off FaceTime conference servers before the fix is released.
https://9to5mac.com/2019/01/28/facetime-bug-hear-audio/

Luke Berner found out interesting method how to maintain persistence after a password change using the two-factor authentication (2FA) no mayor websites.
https://medium.com/@lukeberner/how-i-abused-2fa-to-maintain-persistence-after-a-password-change-google-microsoft-instagram-7e3f455b71a1

InfoSec Week 4, 2019

Microsoft's mobile Edge browser begins issuing fake news warnings. It is powered by news rating company NewsGuard. It gives you fake news warning for Wikileaks, so decide for yourself.
https://www.engadget.com/2019/01/23/microsoft-edge-mobile-fake-news

A vulnerability in the apt package allows a network man-in-the-middle or malicious mirror to execute arbitrary code as root on a machine installing any packages.
https://justi.cz/security/2019/01/22/apt-rce.html

Encryption mode in the well-known compression software 7-Zip uses poor randomness when generating AES initialization vectors.
https://sourceforge.net/p/sevenzip/bugs/2176/

Turns out that the MySQL server has access to all client local files. Patched server can upload clients' files like SSH keys.
https://gwillem.gitlab.io/2019/01/20/sites-hacked-via-mysql-protocal-flaw/

Daniel Miessler published a short blog about the reasons why software remains insecure.
TLDR: "Basically, software remains vulnerable because the benefits created by insecure products far outweigh the downsides. Once that changes, software security will improve—but not a moment before."
https://danielmiessler.com/blog/the-reason-software-remains-insecure/

Trend Micro engineers found applications in the Google Play store that drop Anubis banking malware after the device motion sensors are activated to evade initial detection.
https://blog.trendmicro.com/trendlabs-security-intelligence/google-play-apps-drop-anubis-banking-malware-use-motion-based-evasion-tactics/

Interesting Twitter bug was filled via HackerOne platform - changing email address on Twitter for Android unsets “Protect your Tweets” flag and make protected tweets public.
https://hackerone.com/reports/472013

Great in-depth blog about the finding and exploiting bugs in Marvell Avastar Wi-Fi.
https://embedi.org/blog/remotely-compromise-devices-by-using-bugs-in-marvell-avastar-wi-fi-from-zero-knowledge-to-zero-click-rce/

WPintel - Chrome extension designed For WordPress vulnerability scanning and information gathering.
https://github.com/Tuhinshubhra/WPintel

InfoSec Week 36, 2018

USB media shipped with the Schneider Electric Conext ComBox and Conext Battery Monitor solar products were infected with malware.
https://www.schneider-electric.com/en/download/document/SESN-2018-236-01/

Two days after the proof-of-concept exploit for the Windows Task Scheduler vulnerability appeared online, malware developers have started using it.
https://www.bleepingcomputer.com/news/security/windows-task-scheduler-zero-day-exploited-by-malware/

Five Eyes, an intelligence alliance comprising Australia, Canada, New Zealand, the United Kingdom and the United States, officially warns the tech world that they should build interception capabilities voluntarily or governments will legislate.
https://www.computerworld.com.au/article/646059/five-eyes-tech-industry-make-access-online-communications-possible-else/

Security researchers from the Kaitiaki Labs presented exploitation techniques against the automation in the LTE mobile networks.
https://gsec.hitb.org/materials/sg2018/D1%20-%20Exploiting%20Automation%20in%20LTE%20Mobile%20Networks%20-%20Altaf%20Shaik%20&%20Ravishankar%20Borgaonkar.pdf

.NET Framework remote code injection vulnerability (CVE-2018-8284) enables low privileged SharePoint users to execute commands on the server.
https://www.nccgroup.trust/uk/our-research/technical-advisory-bypassing-workflows-protection-mechanisms-remote-code-execution-on-sharepoint/

A good blog post by a bug hunter Steven Seeley - Analyzing and Exploiting an Elevation of Privilege Vulnerability in Docker for Windows (CVE-2018-15514).
https://srcincite.io/blog/2018/08/31/you-cant-contain-me-analyzing-and-exploiting-an-elevation-of-privilege-in-docker-for-windows.html

Thousands of MikroTik routers are forwarding owners’ traffic to unknown attackers.
https://blog.netlab.360.com/7500-mikrotik-routers-are-forwarding-owners-traffic-to-the-attackers-how-is-yours-en/

A great insight into the world of WW2 women code breakers who unmasked the Soviet spies.
https://www.smithsonianmag.com/history/women-code-breakers-unmasked-soviet-spies-180970034/

ProtonMail released a major new version (4.0) of OpenPGPjs which introduces streaming cryptography.
https://protonmail.com/blog/openpgpjs-4-streaming-encryption/

Bruce Schneier announced the publication of the latest book with the name "Click Here to Kill Everybody: Security and Survival in a Hyper-connected World".
https://www.schneier.com/blog/archives/2018/09/new_book_announ.html

There is a new collection of botnet source codes on GitHub.
https://github.com/maestron/botnets

InfoSec Week 34, 2018

If you are running Linux machines in Microsoft Azure, you should disable built-in wa-linux-agent backdoor that enable root access from Azure console.
https://raymii.org/s/blog/Linux_on_Microsoft_Azure_Disable_this_built_in_root_access_backdoor.html

There is a good blog post by Stuart Schechter about the dark side of the two factor authentication. Highly recommended reading.
https://medium.com/@stuartschechter/before-you-turn-on-two-factor-authentication-27148cc5b9a1

Great research by Eyal Ronen, Kenneth G. Paterson and Adi Shamir demonstrate that adopting pseudo constant time implementations of TLS are not secure against the modified Lucky 13 attack on encryption in CBC-mode. Tested against four fully patched implementations of TLS - Amazon's s2n, GnuTLS, mbed TLS and wolfSSL.
https://eprint.iacr.org/2018/747

Traefik, popular open source reverse proxy and load balancing solution is leaking (CVE-2018-15598) TLS certificate private keys via API.
https://www.bleepingcomputer.com/news/security/cloud-product-accidentally-exposes-users-tls-certificate-private-keys/

Google enrolled Hardware Secure Module to their Cloud Key Management Service. The customers can use it to store their encryption keys with FIPS 140-2 Level 3 security certified devices from now on.
https://cloud.google.com/hsm/

Microsoft Corp said that Russian hackers are targeting U.S. political groups ahead of November’s congressional elections.
https://www.reuters.com/article/us-usa-russia-hackers/russian-hacking-of-conservative-groups-sites-thwarted-microsoft-idUSKCN1L60I0

The WIRED cover story on how Russian NotPetya malware took down Maersk, the world’s largest shipping firm.
https://www.wired.com/story/notpetya-cyberattack-ukraine-russia-code-crashed-the-world/

Kaspersky Lab published analysis of a sophisticated "Dark Tequila" banking malware which is targeting customers in Mexico and other Latin American nations.
https://securelist.com/dark-tequila-anejo/87528/

NSA successfully cracked and listened for years to encrypted networks of Russian Airlines, Al Jazeera, and other “High Potential” targets.
https://theintercept.com/2018/08/15/nsa-vpn-hack-al-jazeera-sidtoday/

Anonymous targeted Spanish Constitutional Court, economy and foreign ministry websites to support Catalonia separatist drive.
https://securityaffairs.co/wordpress/75509/hacking/anonymous-catalonia.html

Red Teaming/Adversary Simulation Toolkit is a collection of open source and commercial tools that aid in red team operations.
https://github.com/infosecn1nja/Red-Teaming-Toolkit

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

Commercial Cryptographic Key Management in 2018

Modern key management in a large organization is primarily described by bureaucratic procedures and compliance requirements due to financial liability. No one personnel hold all the keys required for a task. To minimize the need for trust in a...

InfoSec Week 29, 2018

The academics have mounted a successful GPS spoofing attack against road navigation systems that can trick humans into driving to incorrect locations. The novel part is that they are using real map data to generate plausible malicious instructions.
https://www.bleepingcomputer.com/news/security/researchers-mount-successful-gps-spoofing-attack-against-road-navigation-systems/

Folks from Cloudflare, Mozilla, Fastly, and Apple during a hackaton implemented Encrypted Server Name Indication (SNI). There are implementations in BoringSSL, NSS and picotls.
https://twitter.com/grittygrease/status/1018566026320019457

Good insight on how credit card thieves use free-to-play apps to steal and launder money from the credit cards.
https://kromtech.com/blog/security-center/digital-laundry

Chromium recently introduced Cross-Origin Read Blocking (CORB) that helps mitigate the threat of side-channel attacks (including Spectre).
https://www.chromium.org/Home/chromium-security/corb-for-developers

For anybody interested in reverse engineering, nice write up about the Smoke Loader malware bot unpacking mechanism and communication with the C&C.
https://www.cert.pl/en/news/single/dissecting-smoke-loader/

A research on how to bypass memory scanners using Cobalt Strike’s beacon payload and the gargoyle memory scanning evasion technique.
https://labs.mwrinfosecurity.com/blog/experimenting-bypassing-memory-scanners-with-cobalt-strike-and-gargoyle/

Eset researchers analyzed ongoing espionage campaign against the Ukrainian government institutions.
https://www.welivesecurity.com/wp-content/uploads/2018/07/ESET_Quasar_Sobaken_Vermin.pdf

The intercept summarized what the public has learned about Russian and U.S. spycraft from the Special Counsel Robert Mueller’s indictment of hackers.
https://theintercept.com/2018/07/18/mueller-indictment-russian-hackers/

Security researchers have uncovered a highly targeted mobile malware campaign that has been operating since August 2015 and found spying on 13 selected iPhones in India.
https://blog.talosintelligence.com/2018/07/Mobile-Malware-Campaign-uses-Malicious-MDM.html

There is an exploit for Ubuntu Linux (up to 4.17.4) where other users coredumps can be read via setgid directory and killpriv bypass.
https://www.exploit-db.com/exploits/45033/

InfoSec Week 25, 2018

Marcus Brinkmann demonstrated how some configuration options in the GnuPG allow remote attackers to spoof arbitrary signature. He used the embedded “filename” parameter in OpenPGP literal data packets, together with the verbose option set in their gpg.conf file.
https://neopg.io/blog/gpg-signature-spoof/

Tapplock Smart Lock has critical bugs making it a trivial protection. They are using the AES key derived from the MAC address, so anyone with a Bluetooth enabled smartphone can pick up the key upon getting to a smart lock Bluetooth range.
https://latesthackingnews.com/2018/06/16/tapplock-smart-lock-is-having-a-bad-time-two-bugs-reported-in-one-week/

Crooks are injecting credit card stealing backdoor to the config files of a hacked Magento e-commerce platforms. They can reinfect the rest of code base over and over again with the config load.
https://thehackernews.com/2018/06/magento-security-hacking.html

Updated Satori botnet began to perform network wide scan looking for exploitable XiongMai uc-httpd 1.0.0 devices (CVE-2018-10088).
https://blog.netlab.360.com/botnets-never-die-satori-refuses-to-fade-away-en/

Baby Monitors in the USA were hacked via obscure Chinese IoT cloud. The woman from the Facebook post claims that someone controlled the camera remotely and spied on her, possibly listened in to conversations.
https://www.sec-consult.com/en/blog/2018/06/true-story-the-case-of-a-hacked-baby-monitor-gwelltimes-p2p-cloud/

OpenBSD disables Intel's hyper-threading due to possible exploitable spectre-class bugs in the architecture.
https://www.mail-archive.com/source-changes@openbsd.org/msg99141.html

Linux is getting support for in-kernel hibernation encryption. Encrypts disk-image memory, thereby increasing the general security of full-disk encryption on Linux and reducing the attack surface.
http://lkml.iu.edu/hypermail/linux/kernel/1806.2/03567.html

OTSECA - (ot)her (sec)urity (a)wareness is an open source security auditing tool to search and dump system configuration. It allows you to generate reports in HTML or RAW-HTML formats.
https://github.com/trimstray/otseca

InfoSec Week 21, 2018

500,000 routers in more than 50 countries are infected with the malware targeting routers. Primarily home devices like Linksys, MikroTik, NETGEAR and TP-Link.
Cisco's Talos Security attributed malware to the future Russian cyber operations against the Ukraine. The US FBI agents seize control of the botnet.
https://blog.talosintelligence.com/2018/05/VPNFilter.html
https://www.thedailybeast.com/exclusive-fbi-seizes-control-of-russian-botnet

The Internet Archive's Wayback Machine is deleting evidence on the malware sellers. They have removed from their archive a webpage of a Thailand-based firm FlexiSpy, which offers desktop and mobile malware.
https://motherboard.vice.com/en_us/article/nekzzq/wayback-machine-deleting-evidence-flexispy

According to the McAfee team, North Korean threat actor Sun Team is targeting defectors using the malicious Android applications on Google Play.
https://securingtomorrow.mcafee.com/mcafee-labs/malware-on-google-play-targets-north-korean-defectors/

Don't use sha256crypt & sha512crypt primitives as shipped with GNU/Linux, they're leaking information about the password via time duration of a hashing operation.
Not critical vulnerability, but good to know.
https://pthree.org/2018/05/23/do-not-use-sha256crypt-sha512crypt-theyre-dangerous/

The Intercept published an interesting article about the Japanese signals intelligence agency, based on Snowden's leaks.
https://theintercept.com/2018/05/19/japan-dfs-surveillance-agency/

The US FBI repeatedly overstated encryption threat figures to Congress and the public.
https://www.washingtonpost.com/world/national-security/fbi-repeatedly-overstated-encryption-threat-figures-to-congress-public/2018/05/22/5b68ae90-5dce-11e8-a4a4-c070ef53f315_story.html

The US internet provider Comcast was leaking the usernames and passwords of customers’ wireless routers to anyone with the valid subscriber’s account number and street address number.
https://techcrunch.com/2018/05/21/comcast-is-leaking-the-names-and-passwords-of-customers-wireless-routers/

Amazon is pitching their facial recognition technology to law enforcement agencies, saying the program could aid criminal investigations by recognizing suspects in photos and videos.
https://www.nytimes.com/2018/05/22/technology/amazon-facial-recognition.html

Great blog about the SMS binary payloads and how SMS is weakening mobile security for years.
https://www.contextis.com/blog/binary-sms-the-old-backdoor-to-your-new-thing

Researchers from the Eclypsium found a new variation of the Spectre attack that can allow attackers to recover data stored inside CPU System Management Mode. They have even published Proof-of-concept.
https://blog.eclypsium.com/2018/05/17/system-management-mode-speculative-execution-attacks/

InfoSec Week 20, 2018

Major (probably not only) US cell carriers are selling access to the real-time phone location data.
Because, you know the Electronic Communications Privacy Act only restricts telecommunication companies from disclosing data to the government, it doesn't restrict disclosure to other companies. Which can resell back to the gov. Hacker News discussion on a topic is quite informative.
https://www.zdnet.com/article/us-cell-carriers-selling-access-to-real-time-location-data/
https://news.ycombinator.com/item?id=17081684

Guardian wrote that according to the Oracle findings, Android devices send detailed information on searches, what is being viewed and also precise locations to the Google. Even if location services are turned off and the smartphone does not have a Sim card or application installed.
https://www.theguardian.com/technology/2018/may/14/australian-regulator-investigates-google-data-harvesting-from-android-phones

A new report details a widespread campaign targeting several Turkish activists and protesters by their government, using the government malware made by FinFisher.
https://motherboard.vice.com/en_us/article/wjb8g5/finfisher-turkey-twitter-spyware

A new set of vulnerabilities affecting users of PGP and S/MIME were published. The main problem lies in how email clients handle the output of the encryption tool, the protocol itself is not vulnerable, GnuPG should be fine.
https://efail.de/
https://www.benthamsgaze.org/2018/05/15/tampering-with-openpgp-digitally-signed-messages-by-exploiting-multi-part-messages/
https://lists.gnupg.org/pipermail/gnupg-users/2018-May/060315.html

Cryptocurrency mining malware was found in the Ubuntu Snap Store.
https://blog.ubuntu.com/2018/05/15/trust-and-security-in-the-snap-store

Essential reading on how spies are able to shape narrative of a journalistic pieces by document leaking.
https://www.nytimes.com/2018/05/12/sunday-review/when-spies-hack-journalism.html

The US media has learned the identity of the prime suspect in the Vault7 WikiLeaks CIA breach. Should be a 29-year-old former C.I.A. software engineer, government malware writer.
https://www.nytimes.com/2018/05/15/us/cia-hacking-tools-leak.html

Great blog post about math behind and existing implementations of the homomorphic encryption.
https://blog.n1analytics.com/homomorphic-encryption-illustrated-primer/

There is an article about the common encryption workarounds in the criminal investigations written by Orin S. Kerr and Bruce Schneier.
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2938033

Sunder is a new desktop application for dividing access to secret information between multiple participants using Shamir's secret sharing method.
https://freedom.press/news/meet-sunder-new-way-share-secrets/

DARKSURGEON is a Windows packer project to empower incident response, malware analysis, and network defense.
https://medium.com/@cryps1s/darksurgeon-a-windows-10-packer-project-for-defenders-1a57759856b6


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