Tag hashcat

InfoSec Week 51, 2017

There is a remotely exploitable vulnerability in the Vitek CCTV firmware. Reverse netcat shell included.
http://seclists.org/fulldisclosure/2017/Dec/85

Matthew Green thinks that the recently discovered "Extended Random" extension of the RSA’s BSAFE TLS library found in the older Canon printers could be NSA backdoor.
https://blog.cryptographyengineering.com/2017/12/19/the-strange-story-of-extended-random/

Filippo Valsorda presented the key recovery attack against the carry bug in x86-64 P-256 elliptic curve implementation in the Go library. JSON Web Encryption affected.
https://events.ccc.de/congress/2017/Fahrplan/events/9021.html

Explanation how web trackers exploit browser login managers to track users on the Internet.
https://freedom-to-tinker.com/2017/12/27/no-boundaries-for-user-identities-web-trackers-exploit-browser-login-managers/

According to the hacker Konstantin Kozlovsky, the creation of WannaCry and Lurk malware was supervised by the Russian FSB agency.
https://www.unian.info/world/2319991-russian-hacker-says-fsb-involved-in-creation-of-wannacry-malware.html

Short blog about the cracking encrypted (40-bit encryption) PDFs using hashcat.
https://blog.didierstevens.com/2017/12/27/cracking-encrypted-pdfs-part-2/

Crooks behind the VenusLocker ransomware to Monero mining. They are executing Monero CPU miner XMRig as a remote thread under the legitimate Windows component wuapp.exe.
https://blog.fortinet.com/2017/12/20/group-behind-venuslocker-switches-from-ransomware-to-monero-mining

Two Romanian hackers infiltrated nearly two-thirds of the outdoor surveillance cameras in Washington, DC, as part of an extortion scheme.
https://lite.cnn.io/en/article/h_910710e71e532e73a80deb1294a2db7c

Proofpoint researchers published paper on largely undocumented LazarusGroup campaigns targeting cryptocurrency individuals and organizations. The research covers implants and tactics not currently covered in the media.
https://www.proofpoint.com/us/threat-insight/post/north-korea-bitten-bitcoin-bug-financially-motivated-campaigns-reveal-new

InfoSec Week 43, 2017

Researchers from the Masaryk University finally published full paper of the practical cryptographic attack against the implementation of RSA in the widely used trusted platform modules / crypto tokens.
"The Return of Coppersmith’s A‚ttack: Practical Factorization of Widely Used RSA Moduli" https://crocs.fi.muni.cz/_media/public/papers/nemec_roca_ccs17_preprint.pdf

Those guys published an interesting paper about the secure cryptographic computation with the threat model without attackers based on Earth. They are proposing SpaceHSM hardware secure devices on the orbit.
"SpaceTEE: Secure and Tamper-Proof Computing in Space using CubeSats"
https://arxiv.org/abs/1710.01430

There is a small chance that the documents encrypted by Bad Rabbit ransomware could be recovered without paying ransom, if the shadow copies had been enabled in the Windows prior to infection. Victims can restore the original versions of the encrypted files using standard Windows backup mechanism.
For technical analysis of the Bad Rabbit ransomware, see the second link.
https://securelist.com/bad-rabbit-ransomware/82851/
https://www.endgame.com/blog/technical-blog/badrabbit-technical-analysis

Google is going to deprecate the use of pinned public key certificates, public key pinning (PKP), from the Google Chrome browser.
https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/he9tr7p3rZ8/eNMwKPmUBAAJ

The British government has publicly attributed North Korean government hackers as a source behind the "WannaCry" malware epidemy.
https://www.independent.co.uk/news/uk/home-news/wannacry-malware-hack-nhs-report-cybercrime-north-korea-uk-ben-wallace-a8022491.html

Multiple remote execution vulnerabilities (CVE-2017-13089, CVE-2017-13090) were patched in the popular software Wget. Update!
https://www.viestintavirasto.fi/en/cybersecurity/vulnerabilities/2017/haavoittuvuus-2017-037.html

The source code of an AhMyth Android remote administration tool is available on GitHub. It can steal contact information, turn on camera, microphone, read SMS, and more.
https://github.com/AhMyth/AhMyth-Android-RAT

Malscan is a robust and fully featured scanning platform for Linux servers built upon the ClamAV platform, providing all of the features of Clamscan with a host of new features and detection modes.
https://github.com/jgrancell/malscan

There is an update for the world's fastest and most advanced password recovery utility Hashcat.
https://github.com/hashcat/hashcat/releases/tag/v4.0.0