Malgregator

InfoSec Week 28, 2018

Hackers have poisoned the Arch Linux PDF reader package named “acroread” that was found in a user-provided Arch User Repository (AUR). They have put downloader malware inside.
https://www.bleepingcomputer.com/news/security/malware-found-in-arch-linux-aur-package-repository/

Hackers took over the maintainer account of the eslint-scope and eslint-config-eslint npm packages and published malicious versions which were downloading some juicy scripts from the pastebin.com. https://eslint.org/blog/2018/07/postmortem-for-malicious-package-publishes

Backend of the TimeHop iOS application was compromised, personal records of the 21 million customers leaked.
https://www.timehop.com/security/technical

Nice journalism about how few researchers found the names and addresses of soldiers and secret agents using Strava fitness application when the company published tracking maps on the internet.
https://decorrespondent.nl/8481/heres-how-we-found-the-names-and-addresses-of-soldiers-and-secret-agents-using-a-simple-fitness-app

Lexington Insurance Company and Beazley Insurance Company are suing Trustwave over a 2009 breach. Trustwave supposedly failed to detect malware that caused a breach.
This will be huge precedent in the whole industry.
https://www.bleepingcomputer.com/news/security/security-firm-sued-for-failing-to-detect-malware-that-caused-a-2009-breach/

One email to a North American Network Operators mailing list led to a concerted effort to kick a notorious BGP hijacking factory off the Internet.
https://blog.apnic.net/2018/07/12/shutting-down-the-bgp-hijack-factory/

It looks like that the Carbanak banking malware source code was leaked.
https://malware-research.org/carbanak-source-code-leaked/

Researchers found spying malware signed using digital certificates stolen from D-Link and other Taiwanese tech-companies.
https://thehackernews.com/2018/07/digital-certificate-malware.html

InfoSec Week 27, 2018

Samsung Galaxy S9 and S9+ devices, maybe others, are texting camera photos to random contacts through the Samsung Messages app without user permission.
https://www.theverge.com/circuitbreaker/2018/7/2/17528076/samsung-phones-text-rcs-update-messages

Gentoo Linux distribution GitHub repository was compromised. Attacker removed out all the maintainers, who realized the intrusion only 10 minutes after he gained access. He add rm -rf /* to build scripts, changed README and some minor things.
https://wiki.gentoo.org/wiki/Github/2018-06-28

Since January 2017, Stylish browser extension has been augmented with spyware that records every single website that its 2 million other users visit, then sends complete browsing activity back to its servers, together with a unique identifier.
https://robertheaton.com/2018/07/02/stylish-browser-extension-steals-your-internet-history/

Digicert Withdraws from the CA Security Council (CASC), because they "feel that CASC is not sufficiently transparent and does not represent the diversity of the modern Certificate Authority (CA) industry. Improving the ecosystem requires broad participation from all interested stakeholders, and many are being excluded unnecessarily."
Great step Digicert!
https://www.digicert.com/blog/notice-of-withdrawal-from-the-ca-security-council/

CryptoCurrency Clipboard Hijacker malware discovered by Bleeping Computer monitors for more than 2.3 million Bitcoin addresses, then replace them in memory, with the attacker address.
https://www.bleepingcomputer.com/news/security/clipboard-hijacker-malware-monitors-23-million-bitcoin-addresses/

Local root jailbreak, authorization bypass & privilege escalation vulnerabilities in all ADB broadband routers, gateways and modems. The patch is already available.
https://www.sec-consult.com/en/blog/advisories/local-root-jailbreak-via-network-file-sharing-flaw-in-all-adb-broadband-gateways-routers/

A Microsoft Security division published an analysis of the malware sample which exploited the Adobe Reader software and the Windows operating system using two zero-day exploits in a single PDF file.
https://cloudblogs.microsoft.com/microsoftsecure/2018/07/02/taking-apart-a-double-zero-day-sample-discovered-in-joint-hunt-with-eset/

Blog about why it is not helpful to use the Canvas Defender extension, a browser canvas fingerprinting countermeasure.
https://antoinevastel.com/tracking/2018/07/01/eval-canvasdef.html

Blog about the cryptographic primitives used by the North Korean Red Star operating system. The OS is mostly uses AES-256 Rijndael with dynamic S-Box modifications, but the design is evolving and the latest version of the algorithm has more differences.
https://blog.kryptoslogic.com/crypto/2018/07/03/pyongyang.html

Interesting technique how to bypass web-application firewalls by abusing SSL/TLS. An attacker can use an unsupported SSL cipher to initialize the connection to the webserver which supports that cipher, but the WAF would not be able to identify the attack because it can't view the data.
https://0x09al.github.io/waf/bypass/ssl/2018/07/02/web-application-firewall-bypass.html

Good introduction to the Linux ELF file format with some practical examples how sections look like, how to shrink the size during compilation and more.
https://0x00sec.org/t/dissecting-and-exploiting-elf-files/7267

InfoSec Week 26, 2018

A reverse shell connection is possible from an OpenVPN configuration file. So be cautious and treat ovpn files like shell scripts.
https://medium.com/tenable-techblog/reverse-shell-from-an-openvpn-configuration-file-73fd8b1d38da

Mozilla integrates Troy Hunts' Have I Been Pwned (HIBP) database of breached passwords into Firefox. They will make breach data searchable via a new tool called Firefox Monitor.
https://www.troyhunt.com/were-baking-have-i-been-pwned-into-firefox-and-1password/

The suspected ringleader behind the well known Carbanak malware is under arrest, but of course, his malware attacks live on.
https://www.bloomberg.com/news/features/2018-06-25/the-biggest-digital-heist-in-history-isn-t-over-yet

It is possible to attack resources in the private network from the Internet with DNS rebinding attack.
"Following the wrong link could allow remote attackers to control your WiFi router, Google Home, Roku, Sonos speakers, home thermostats and more."
https://medium.com/@brannondorsey/attacking-private-networks-from-the-internet-with-dns-rebinding-ea7098a2d325

Wi-Fi Alliance Introduces Wi-Fi Certified WPA3 Security. Again with a questionable cryptography, but we will see. That's how industrial alliances with expensive membership works.
https://www.wi-fi.org/news-events/newsroom/wi-fi-alliance-introduces-wi-fi-certified-wpa3-security

IETF published draft of Issues and requirements for Server Name Indication (SNI) encryption in TLS.
The draft lists known attacks against SNI encryption, discusses the current "co-tenancy fronting" solution, and presents requirements for future TLS layer solutions.
https://tools.ietf.org/html/draft-ietf-tls-sni-encryption-03

The unpatched WordPress vulnerability allows code execution for authors. Exploiting the vulnerability grants an attacker the capability to delete any file of the WordPress installation or any other file the PHP process user has the proper permissions to delete.
https://blog.ripstech.com/2018/wordpress-file-delete-to-code-execution/

Researchers identified three attack vectors against LTE (Long-Term Evolution, basically 4G) on layer 2 - an active attack to redirect network packets, a passive identity mapping attack, and website fingerprinting based on resource allocation.
https://alter-attack.net/

Cisco Talos team releases ThanatosDecryptor, the program that attempts to decrypt certain files encrypted by the Thanatos malware.
https://github.com/Cisco-Talos/ThanatosDecryptor

DEDA is a tool that gives the possibility to read out and decode color tracking dots which encode information about the printer. It also allows anonymisation to prevent arbitrary tracking.
https://github.com/dfd-tud/deda

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 24, 2018

Yet another high severity attack against the Intel CPUs. Unpatched systems can leak SIMD, FP register state between privilege levels. These registers are used for private keys nowadays.
The cost of a patch is more expensive context switches because the fix has to unload and reload all SIMD, FP state.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00145.html

The team behind the CopperheadOS, hardened Google-free Android fork, has imploded. Guys, CEO and CTO (main and probably the only developer) are blaming each other.
https://twitter.com/DanielMicay/status/1006299769214562305

Chromium devs are planning to enforce TLS protocol invariants by rolling new TLS 1.3 versions every six weeks.
According to the developers: "Every six weeks, we would randomly pick a new code point. These versions will otherwise be identical to TLS 1.3, save maybe minor details to separate keys and exercise allowed syntax changes. The goal is to pave the way for future versions of TLS by simulating them (“draft negative one”)."
https://www.ietf.org/mail-archive/web/tls/current/msg26385.html

The Kromtech Security Center found 17 malicious docker images stored on Docker Hub for an entire year. With more than 5 million pulls, containers were primarily used to mine cryptocurrency.
https://kromtech.com/blog/security-center/cryptojacking-invades-cloud-how-modern-containerization-trend-is-exploited-by-attackers

At least 74 persons, mostly Nigerians, were arrested due to crimes related to the business e-mail compromise schemes.
https://garwarner.blogspot.com/2018/06/74-mostly-nigerians-arrested-in.html

Good summary of the existing inter-service authentication schemes. Bearer, hmac based tokens etc.
https://latacora.singles/2018/06/12/a-childs-garden.html

There is an Ancient "su - hostile" vulnerability in Debian 8 & 9. Doing "su - hostile" may lead to the root privilege escalation. Default sudo -u probably is affected too.
https://j.ludost.net/blog/archives/2018/06/13/ancient_su_-_hostile_vulnerability_in_debian_8_and_9/

There is a critical command injection vulnerability in the macaddress NPM package.
https://nodesecurity.io/advisories/654

Blog about the crafting remote code execution via server-side spreadsheet injection.
https://www.bishopfox.com/blog/2018/06/server-side-spreadsheet-injections/

An implementation flaw in multiple cryptographic libraries allows a side-channel based attacker to recover ECDSA or DSA private keys. Lots of libraries affected, like LibreSSL, Mozilla NSS, OpenSSL, etc.
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/

InfoSec Week 23, 2018

Australian government drafts new laws, that will force technology giants like Facebook, Google to give government agencies access to encrypted data.
https://www.theguardian.com/technology/2018/jun/06/planned-laws-to-force-tech-firms-to-reveal-encrypted-data

A security researcher at Telspace Systems, Dmitri Kaslov, discovered a vulnerability in the Microsoft Windows JScript component, that can be exploited by an attacker to execute malicious code on a target computer.
https://www.zerodayinitiative.com/advisories/ZDI-18-534/

IBM X-Force Research has uncovered a new Brazilian, Delphi-based MnuBot malware active in the wild. It downloads it's functionality during the execution dynamically from the remote C&C server, so its functionality can be upgraded on the fly.
https://securityintelligence.com/new-banking-trojan-mnubot-discovered-by-ibm-x-force-research/

The US Department of Homeland Security and FBI issues alert over two new malware, Joanap remote access tool and Brambul SMB worm, linked to the Hidden Cobra hacker group.
https://www.us-cert.gov/ncas/alerts/TA18-149A

A Toronto-based investment firm alleges that a rival company hired the Israeli companies tied to state intelligence agencies, to help sway a business dispute over a 2014 bid for a telecommunications company.
https://www.calcalistech.com/ctech/articles/0,7340,L-3739390,00.html

Google announced a project Capillary: End-to-end encryption for push messaging in Android. It should be available backward to API level 19 - KitKat.
https://android-developers.googleblog.com/2018/06/project-capillary-end-to-end-encryption.html

Engineers from the University of Toronto have built a filter that slightly alters photos of people’s faces to keep facial recognition software from realizing what it's looking at. https://joeybose.github.io/assets/adversarial-attacks-face.pdf

Research paper about the business model of a botnet operation, even with a business model canvas!
https://arxiv.org/abs/1804.10848

New research takes on the problem of habituation to security warnings. They have used eye tracking and fMRI data to find out how people react to the security warnings in the software.
https://neurosecurity.byu.edu/misq-longitudinal-2018/

A new paper by Bonnetain and Schrottenloher giving improved quantum attack on a newly proposed Commutative Supersingular Isogeny Diffie–Hellman (CSIDH) key exchange. According to the paper, they show, that the 128-bit classical, 64-bit quantum security parameters proposed actually offer at most 37 bits of quantum security.
https://eprint.iacr.org/2018/537

InfoSec Week 22, 2018

Google Pixel 2 devices implement insider attack resistance in the tamper-resistant hardware security module that guards the encryption keys for user data.
It is not possible to upgrade the firmware that checks the user's password unless you present the correct user password.
https://android-developers.googleblog.com/2018/05/insider-attack-resistance.html

Avast Threat Labs analyzed malware pre-installed on a thousands of Android devices. More than 18000 users of Avast already had this adware in a device. Cheap smartphones are primarily affected.
https://blog.avast.com/android-devices-ship-with-pre-installed-malware

Great blog post about the USB reverse engineering tools and practices by the Glenn 'devalias' Grant.
http://devalias.net/devalias/2018/05/13/usb-reverse-engineering-down-the-rabbit-hole/

FBI advice router users to reboot devices in order to remove VPNFilter malware infecting 500k devices.
https://arstechnica.com/information-technology/2018/05/fbi-tells-router-users-to-reboot-now-to-kill-malware-infecting-500k-devices/

If you didn't hear about the recent arbitrary code execution vulnerability in git software (CVE 2018-11234, CVE 2018-11235), there is a high level summary on the Microsoft DevOps blog.
https://blogs.msdn.microsoft.com/devops/2018/05/29/announcing-the-may-2018-git-security-vulnerability/

The white hat hacker received $25000 bug bounty for getting root access on all Shopify instances by leveraging Server Side Request Forgery (SSRF) attack.
https://hackerone.com/reports/341876

Attacking browsers by site-channel attacks using CSS3 features. The guys demonstrated how to deanonymize website visitors and more.
https://www.evonide.com/side-channel-attacking-browsers-through-css3-features/

The Underhanded Crypto Contest for 2018 started, the topic has two categories: Backdooring messaging systems & Deceptive APIs. If you want to write some backdoor to the cryptographic implementation bud you do not harm anybody, this is a good opportunity.
https://underhandedcrypto.com/2018/05/27/rules-for-the-2018-underhanded-crypto-contest/

Article about the new threat model and potential mitigations for the Chrome browser against the Spectre like vulnerabilities.
https://chromium.googlesource.com/chromium/src/+/master/docs/security/side-channel-threat-model.md

New article by the Intercept about the Google military drone AI contract. They want to make fortune on an image recognition.
https://theintercept.com/2018/05/31/google-leaked-emails-drone-ai-pentagon-lucrative/

Codechain - secure multiparty code reviews with signatures and hash chains.
According to the author, Codechain is not about making sure the code you execute is right, but making sure you execute the right code.
https://github.com/frankbraun/codechain

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

InfoSec Week 19, 2018

There is a first ransomware which is taking advantage of a new Process Doppelgänging fileless code injection technique. Working on all modern versions of Microsoft Windows, since Vista. This variant of a known SynAck ransomware is using NTFS transactions to launch a malicious process by replacing the memory of a legitimate process.
https://securelist.com/synack-targeted-ransomware-uses-the-doppelganging-technique/85431/

Security researchers from the Dutch information security company Computes has found that some Volkswagen and Audi cars are vulnerable to remote hacking. They were able to exploit vehicle infotainment systems. The possible attackers could track car location as well as listen to the conversations in a car.
https://www.bleepingcomputer.com/news/security/volkswagen-and-audi-cars-vulnerable-to-remote-hacking/

Twitter found a bug that stored user passwords unmasked in an internal log, there is no indication of a breach, but all Twitter users should change their passwords.
https://blog.twitter.com/official/en_us/topics/company/2018/keeping-your-account-secure.html

There is a breakthrough cryptographic attack on 5-round AES using only 2^22 (previous best was 2^32) presented at CRYPTO 2018. It is joint work of Nathan Keller, Achiya Bar On, Orr Dunkelman, Eyal Ronen and Adi Shamir. This kind of attack is good when evaluating the security of a cipher, it does not have any real world implication as the AES is using at least 10 rounds in production implementations.
https://eurocrypt.2018.rump.cr.yp.to/a7141747a6c49798313a278e9a70afe2.pdf

Bug hunter which found multiple vulnerabilities in the 7-zip software used by anti-virus vendors wrote an blog on how to exploit one of such bugs. Interesting read.
https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/

The 360 Core Security Division response team detected an APT attack exploiting a 0-day vulnerability and captured the world’s first malicious sample that uses a browser 0-day vulnerability (CVE-2018-8174). It is a remote code execution vulnerability of Windows VBScript engine and affects the latest version of Internet Explorer.
Microsoft patched this vulnerability few days ago and credited Chinese researchers.
http://blogs.360.cn/blog/cve-2018-8174-en/

Source code of TreasureHunter Point-of-Sale malware leaks online.
https://www.flashpoint-intel.com/blog/treasurehunter-source-code-leaked/

The ssh-decorator package from Python pip had an obvious backdoor (sending ip+login+password to ssh-decorate[.]cf in cleartext HTTP).
https://www.reddit.com/r/Python/comments/8hvzja/backdoor_in_sshdecorator_package/

Luke Picciau wrote about his experience with Matrix and it's Riot messenger for one year.
https://itscode.red/posts/1-year-using-matrix/

There is a first official version 1.0 RC of Briar for Android.
Briar is an open-source End-to-end encrypted Bluetooth / WiFi / Tor based mesh-networking (decentralized) messaging application.
https://briarproject.org/download.html

The Infection Monkey is an open source security tool for testing a data center's resiliency to perimeter breaches and internal server infection.
https://github.com/guardicore/monkey


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