Tech News

A Survey of Bluetooth Vulnerabilities Trends https://isc.sans.edu/diary/A%20Survey%20of%20Bluetooth%20Vulnerabilities%20Trends%20%282023%20Edition%29/29522 OpenSSL Vulnerabilities / Patches https://www.openssl.org/news/secadv/20230207.txt Packet Tuesday: Most Frequent DNS Query ID / DNS Notify https://www.youtube.com/watch?v=QgCuE_zKyMY GoAnywhere MFT Patch Available (and PoC) https://frycos.github.io/vulns4free/2023/02/06/goanywhere-forgotten.html https://my.goanywhere.com/webclient/Dashboard.xhtml Qakbot Mechanizes Distribution of Malicous OneNote Notebooks https://news.sophos.com/en-us/2023/02/06/qakbot-onenote-attacks/

Earthquake Scams https://isc.sans.edu/diary/Earthquake%20in%20Turkey%20and%20Syria%3A%20Be%20Aware%20of%20Possible%20Donation%20Scams/29518 APIs Used By Bots to Detect Public IP Addresses https://isc.sans.edu/diary/APIs+Used+by+Bots+to+Detect+Public+IP+address/29516/ OpenSSH Vulnerablity Details CVE 2023-25136 https://blog.qualys.com/vulnerabilities-threat-research/2023/02/03/cve-2023-25136-pre-auth-double-free-vulnerability-in-openssh-server-9-1 A Novel State-of-the-Art Redis Malware https://blog.aquasec.com/headcrab-attacks-servers-worldwide-with-novel-state-of-art-redis-malware?&web_view=true

Assemblyline as a Malware Analysis Sandbox https://isc.sans.edu/diary/Assemblyline%20as%20a%20Malware%20Analysis%20Sandbox/29510 GoAnywhere MFT zero-day Exploited https://www.rapid7.com/blog/post/2023/02/03/exploitation-of-goanywhere-mft-zero-day-vulnerability/ Ransomware targeting VMware ESXi https://blog.ovhcloud.com/ransomware-targeting-vmware-esxi/ Jira Service Managment Server and Data Center Advisory CVE-2023-22501 https://confluence.atlassian.com/jira/jira-service-management-server-and-data-center-advisory-cve-2023-22501-1188786458.html OpenSSH Update https://www.openssh.com/releasenotes.html F5 BigIP Vulnerability CVE-2023-22374 https://my.f5.com/manage/s/article/K000130415

Rotating Packet Captures with pfSense https://isc.sans.edu/diary/Rotating%20Packet%20Captures%20with%20pfSense/29500 BEC Group Incorporates Secondary Impersonated Personas https://intelligence.abnormalsecurity.com/blog/firebrick-ostrich-third-party-reconnaissance-attacks MalVirt .Net Virtualization Thrives in Malvertising Attacks https://www.sentinelone.com/labs/malvirt-net-virtualization-thrives-in-malvertising-attacks/ Cisco Remote Code Execution with Persistence https://www.trellix.com/en-us/about/newsroom/stories/research/when-pwning-cisco-persistence-is-key-when-pwning-supply-chain-cisco-is-key.html

In Episode 319, Ben and Scott talk through a fun new way to keep up with updates to the Microsoft 365 roadmap using Office 365 Roadmap watch and them discuss a new item on the roadmap – explicit recording consent for Teams Meetings. Next up they get into IPv6 support Read More

Detecting Malicious OneNote Files https://isc.sans.edu/diary/Detecting%20%28Malicious%29%20OneNote%20Files/29494 Microsoft Defender Device Isolation for Linux https://techcommunity.microsoft.com/t5/microsoft-defender-for-endpoint/announcing-device-isolation-support-for-linux/ba-p/3676400 SH1MMER Exploit for Chromebooks https://sh1mmer.me DOMPDF SVG Parsing Vulnerability https://github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg

DShield Honeypot Setup with pfSense https://isc.sans.edu/diary/DShield%20Honeypot%20Setup%20with%20pfSense/29490 Threat Actors Abusing Microsoft's "Verified Publisher" Status https://www.proofpoint.com/us/blog/cloud-security/dangerous-consequences-threat-actors-abusing-microsofts-verified-publisher PoS Malware Can Block Contactless Payments https://securelist.com/prilex-modification-now-targeting-contactless-credit-card-transactions/108569/ Detecting Files Exempt from Anti Malware Scans https://github.com/bananabr/TimeException

Decoding DNS over HTTP(s) Requests https://isc.sans.edu/diary/Decoding%20DNS%20over%20HTTP%28s%29%20Requests/29488 Action Needed for GitHub Desktop and Atom Users https://github.blog/2023-01-30-action-needed-for-github-desktop-and-atom-users/ GitHub Checksum Mismatches for .tar.gz Files https://github.com/orgs/community/discussions/45830 Facebook 2FA Bypass https://medium.com/pentesternepal/two-factor-authentication-bypass-on-facebook-3f4ac3ea139c Fortinet Exploit https://wzt.ac.cn/2022/12/15/CVE-2022-42475/ QNAP Vulnerability https://www.qnap.com/en/security-advisory/qsa-23-01

Microsoft Tips to Patch Your Exchange Servers https://techcommunity.microsoft.com/t5/exchange-team-blog/protect-your-exchange-servers/ba-p/3726001 FCC Treatens to Take Action Against Twilio over Robocalls https://www.fcc.gov/document/fcc-takes-mortgage-scam-robocall-campaign-targeting-homeowners PlugX Variant Spreads via USB https://unit42.paloaltonetworks.com/plugx-variants-in-usbs/ Adware in Google Play Store https://news.drweb.com/show/review/?lng=en&i=14652 Tails 5.9 Update https://tails.boum.org/news/version_5.9/index.de.html

Live Linux IR with UAC https://isc.sans.edu/diary/Live%20Linux%20IR%20with%20UAC/29480 Bitwarden Phishing https://community.bitwarden.com/t/phishing-website-bitwardenlogin-com/49704 https://www.reddit.com/r/Bitwarden/comments/10k2aj5/google_search_ads_showing_fake_bitwarden_web/ PY#RATION Attack Campaign Leverages Fernet Encyrption and Websockets https://www.securonix.com/blog/security-advisory-python-based-pyration-attack-campaign/ Skyhigh Security Secure Web Gateway: XSS in Single Sign On Plugin https://www.redteam-pentesting.de/en/advisories/rt-sa-2022-002/-skyhigh-security-secure-web-gateway-cross-site-scripting-in-single-sign-on-plugin Windows Crypto API Vuln PoC https://github.com/akamai/akamai-security-research/tree/main/PoCs/CVE-2022-34689 BIND Patches https://kb.isc.org/docs/cve-2022-3094

In Episode 318, Ben and Scott talk about the Defender debacle from last week and then get into some new Azure previews, including rich application health states with Virtual Machine Scale Sets, the Azure Automation extension for VS Code, and the latest preview of change tracking and inventory management with Read More

First Malicious OneNote Document https://isc.sans.edu/diary/A%20First%20Malicious%20OneNote%20Document/29470 Guidance for Securing Remote Monitoring and Management Software https://media.defense.gov/2023/Jan/25/2003149873/-1/-1/0/JOINT_CSA_RMM.PDF Microsoft Azure-Based Kerberos Attacks Crack Open Cloud Accounts https://www.darkreading.com/cloud/microsoft-azure-kerberos-attacks-open-cloud-accounts Microsoft Blocking XLL Files Downloaded From Internet https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=115485 Lexmark Vulnerablities https://publications.lexmark.com/publications/security-alerts/CVE-2023-23560.pdf VMware VRealize Update https://www.vmware.com/security/advisories/VMSA-2023-0001.html

Apple Patch Summary https://isc.sans.edu/forums/diary/Apple%20Updates%20%28almost%29%20Everything%3A%20Patch%20Overview/29472/ ManageEngine News; https://github.com/vonahisec/CVE-2022-47966-Scan KSMBD Vulnerability https://sysdig.com/blog/cve-2023-0210-linux-kernel-unauthenticated-remote-heap-overflow/ BitWarden Server Side Iterations https://palant.info/2023/01/23/bitwarden-design-flaw-server-side-iterations/ Packet Tuesday: Neighbor Advertisements https://www.youtube.com/watch?v=CoaZjuuY1do

Who's Resolving This Domain https://isc.sans.edu/forums/diary/Who's%20Resolving%20This%20Domain%3F/29462/ Apple Updates Everything https://support.apple.com/en-us/HT201222 NSA IPv6 Security Guidance https://media.defense.gov/2023/Jan/18/2003145994/-1/-1/0/CSI_IPV6_SECURITY_GUIDANCE.PDF Roaming Mantis Implements new DNS Changer in tis malicious mobile app https://thehackernews.com/2023/01/roaming-mantis-spreading-mobile-malware.html

Imortance of Signing in Windows Environments https://isc.sans.edu/diary/Importance%20of%20signing%20in%20Windows%20environments/29456 FanDuel Discloses Data Breach Caused by Recent Mailchimp Hack https://www.bleepingcomputer.com/news/security/fanduel-discloses-data-breach-caused-by-recent-mailchimp-hack/ OneNote Documents Used to Embed Malicious Office Documents https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/trojanized-onenote-document-leads-to-formbook-malware/ Cisco Unified Communications Manager SQL Injection https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-sql-rpPczR8n Possible KeePass Vulnerability https://twitter.com/vomanc/status/1617135599030530054

SPF and DMARC use on 100k most popular domains https://isc.sans.edu/diary/SPF%20and%20DMARC%20use%20on%20100k%20most%20popular%20domains/29452 Sysmon Exploit Released CVE-2022-41120, CVE-2022-44704 https://github.com/Wh04m1001/SysmonEoP ManageEngine CVE-2022-47966 Technical Deep Dive https://www.horizon3.ai/manageengine-cve-2022-47966-technical-deep-dive/ Netcomm Router Vulnerablities https://kb.cert.org/vuls/id/986018 Microsoft Pushes Outdated Office Install Check https://www.bleepingcomputer.com/news/microsoft/microsoft-pushes-kb5021751-to-check-for-outdated-office-installs/

In Episode 317, Ben walks Scott through some of his trials and tribulations with migrating contents to and from Microsoft 365 Groups (Conversations) mailboxes. Like what you hear and want to support the show? Check out our membership options. (more…)

Malicious Google Ads for Fake Notepad++ Lead to Aurora Stealer https://isc.sans.edu/diary/Malicious%20Google%20Ad%20--%3E%20Fake%20Notepad%2B%2B%20Page%20--%3E%20Aurora%20Stealer%20malware/29448 Oracle Critical Patch Update https://www.oracle.com/security-alerts/cpujan2023.html QT QML Vulnerability https://blog.talosintelligence.com/vulnerability-spotlight-integer-and-buffer-overflow-vulnerabilities-found-in-qt-qml/ sudo sudoedit vulnerablity https://www.synacktiv.com/sites/default/files/2023-01/sudo-CVE-2023-22809.pdf

Finding that one GPO setting in a pool of hundreds of GPOs https://isc.sans.edu/diary/Finding%20that%20one%20GPO%20Setting%20in%20a%20Pool%20of%20Hundreds%20of%20GPOs/29442 GIT Code Audit https://x41-dsec.de/security/research/news/2023/01/17/git-security-audit-ostif/ Azure SSRF Flaws https://orca.security/resources/blog/ssrf-vulnerabilities-in-four-azure-services/ SMB Insecure Guest Auth Off By Default In Windows 11 Pro https://techcommunity.microsoft.com/t5/storage-at-microsoft/smb-insecure-guest-auth-now-off-by-default-in-windows-insider/ba-p/3715014 Packet Tuesday: IPv6 Router Advertisements https://www.youtube.com/watch?v=uRWpB_lYIZ8

PSA: Why you must run an ad blocker when using Google https://isc.sans.edu/diary/PSA%3A%20Why%20you%20must%20run%20an%20ad%20blocker%20when%20using%20Google/29438 NortonLifeLock Password Manager Bruteforcing https://webcache.googleusercontent.com/search?q=cache%3A91Bmx_jTJIkJ%3Ahttps%3A%2F%2Fago.vermont.gov%2Fwp-content%2Fuploads%2F2023%2F01%2F2023-01-09-NortonLifeLock-Gen-Digital-Data-Breach-Notice-to-Consumers.pdf&cd=3&hl=de&ct=clnk&gl=de CVE-2023-0179 Linux kernel stack buffer overflow in nftables: PoC and writeup https://seclists.org/oss-sec/2023/q1/20 MSI (in)Secure Boot https://dawidpotocki.com/en/2023/01/13/msi-insecure-boot/