Tag: SANS Internet Storm Center, InfoCON: green

ISC Stormcast For Friday, December 13th, 2024 https://isc.sans.edu/podcastdetail/9254, (Fri, Dec 13th)

2024-12-13 03:12

This post doesn’t have text content, please click on the link below to view the original article. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: ISC Stormcast For Friday, December 13th, 2024…

ISC Stormcast For Thursday, December 12th, 2024 https://isc.sans.edu/podcastdetail/9252, (Thu, Dec 12th)

2024-12-12 03:12

Apple Updates Everything (iOS, iPadOS, macOS, watchOS, tvOS, visionOS), (Wed, Dec 11th)

2024-12-11 21:12

Apple today released patches for all of its operating systems. The updates address 46 different vulnerabilities. Many of the vulnerabilities affect more than one operating system. None of the vulnerabilities are labeled as being already exploited. This article has been…

Vulnerability Symbiosis: vSphere?s CVE-2024-38812 and CVE-2024-38813 [Guest Diary], (Wed, Dec 11th)

2024-12-11 03:12

[This is a Guest Diary by Jean-Luc Hurier, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Vulnerability Symbiosis: vSphere?s CVE-2024-38812 and CVE-2024-38813…

ISC Stormcast For Wednesday, December 11th, 2024 https://isc.sans.edu/podcastdetail/9250, (Wed, Dec 11th)

2024-12-11 03:12

Microsoft Patch Tuesday: December 2024, (Tue, Dec 10th)

2024-12-10 20:12

Microsoft today released patches for 71 vulnerabilities. 16 of these vulnerabilities are considered critical. One vulnerability (CVE-2024-49138) has already been exploited, and details were made public before today&#x26;#39;s patch release. This article has been indexed from SANS Internet Storm Center,…

ISC Stormcast For Tuesday, December 10th, 2024 https://isc.sans.edu/podcastdetail/9248, (Tue, Dec 10th)

2024-12-10 03:12

ISC Stormcast For Monday, December 9th, 2024 https://isc.sans.edu/podcastdetail/9246, (Mon, Dec 9th)

2024-12-09 03:12

CURLing for Crypto on Honeypots, (Mon, Dec 9th)

2024-12-09 02:12

I get a daily report from my honeypots for Cowrie activity [1], which includes telnet and SSH sessions attempted on the honyepot. One indicator I use to find sessions of interest is the number of commands run. Most of the…

ISC Stormcast For Friday, December 6th, 2024 https://isc.sans.edu/podcastdetail/9244, (Fri, Dec 6th)

2024-12-06 03:12

ISC Stormcast For Thursday, December 5th, 2024 https://isc.sans.edu/podcastdetail/9242, (Thu, Dec 5th)

2024-12-05 03:12

[Guest Diary] Business Email Compromise, (Thu, Dec 5th)

2024-12-05 02:12

&#x26;#x5b;This is a Guest Diary by Chris Kobee, an ISC intern as part of the SANS.edu Bachelor&#x26;#39;s Degree in Applied Cybersecurity (BACS) program &#x26;#x5b;1]. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article:…

Data Analysis: The Unsung Hero of Cybersecurity Expertise [Guest Diary], (Wed, Dec 4th)

2024-12-04 15:12

[This is a Guest Diary by Robert Cao, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Data Analysis: The Unsung Hero of…

ISC Stormcast For Wednesday, December 4th, 2024 https://isc.sans.edu/podcastdetail/9240, (Wed, Dec 4th)

2024-12-04 15:12

ISC Stormcast For Wednesday, November 13th, 2024 https://isc.sans.edu/podcastdetail/9220, (Wed, Nov 13th)

2024-11-13 03:11

Microsoft November 2024 Patch Tuesday, (Tue, Nov 12th)

2024-11-12 20:11

This month, Microsoft is addressing a total of 83 vulnerabilities. Among these, 3 are classified as critical, 2 have been exploited in the wild, and another 2 have been disclosed prior to Patch Tuesday. Organizations are encouraged to prioritize these…

ISC Stormcast For Tuesday, November 12th, 2024 https://isc.sans.edu/podcastdetail/9218, (Tue, Nov 12th)

2024-11-12 03:11

PDF Object Streams, (Mon, Nov 11th)

2024-11-11 09:11

The first thing to do, when analyzing a potentially malicious PDF, is to look for the /Encrypt name as explained in diary entry Analyzing an Encrypted Phishing PDF. This article has been indexed from SANS Internet Storm Center, InfoCON: green…


zipdump & PKZIP Records, (Sun, Nov 10th)

2024-11-11 03:11

In yesterday&#x26;#39;s diary entry “zipdump &#x26; Evasive ZIP Concatenation” I showed how one can inspect the PKZIP records that make up a ZIP file. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article:…

ISC Stormcast For Monday, November 11th, 2024 https://isc.sans.edu/podcastdetail/9216, (Mon, Nov 11th)

2024-11-11 03:11


zipdump & Evasive ZIP Concatenation, (Sat, Nov 9th)

2024-11-10 16:11

On Friday&#x26;#39;s Stormcast, Johannes talks about Evasive ZIP Concatenation, a technique where 2 (or more) ZIP files are concatenated together to evade detection. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: 
zipdump…

zipdump & PKZIP Records, (Sun, Nov 10th)

2024-11-10 16:11

zipdump & Evasive ZIP Concatenation, (Sat, Nov 9th)

2024-11-09 07:11

SANS Holiday Hack Challenge 2024, (Sat, Nov 9th)

2024-11-09 07:11

The SANS Holiday Hack Challenge is open early this year: This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: SANS Holiday Hack Challenge 2024, (Sat, Nov 9th)

ISC Stormcast For Friday, November 8th, 2024 https://isc.sans.edu/podcastdetail/9214, (Fri, Nov 8th)

2024-11-08 03:11

Steam Account Checker Poisoned with Infostealer, (Thu, Nov 7th)

2024-11-07 09:11

I found an interesting script targeting Steam users. Steam[1] is a popular digital distribution platform for purchasing, downloading, and playing video games on personal computers. The script is called “steam-account-checker” and is available in Github[2]. Its description is: This article…

ISC Stormcast For Thursday, November 7th, 2024 https://isc.sans.edu/podcastdetail/9212, (Thu, Nov 7th)

2024-11-07 03:11

[Guest Diary] Insights from August Web Traffic Surge, (Wed, Nov 6th)

2024-11-06 06:11

&#x26;#x5b;This is a Guest Diary by Trevor Coleman, an ISC intern as part of the SANS.edu Bachelor&#x26;#39;s Degree in Applied Cybersecurity (BACS) program &#x26;#x5b;1]. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article:…

ISC Stormcast For Wednesday, November 6th, 2024 https://isc.sans.edu/podcastdetail/9210, (Wed, Nov 6th)

2024-11-06 03:11

Python RAT with a Nice Screensharing Feature, (Tue, Nov 5th)

2024-11-05 09:11

While hunting, I found another interesting Python RAT in the wild. This is not brand new because the script was released two years ago&#x26;#x5b;1&#x26;#x5d;. The script I found is based on the same tool and still has a&#x26;#xc2;&#x26;#xa0;low VT score:…

ISC Stormcast For Tuesday, November 5th, 2024 https://isc.sans.edu/podcastdetail/9208, (Tue, Nov 5th)

2024-11-05 03:11

Analyzing an Encrypted Phishing PDF, (Mon, Nov 4th)

2024-11-04 07:11

Once in a while, I get a question about my pdf-parser.py tool, not able to decode strings and streams from a PDF document. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Analyzing…

ISC Stormcast For Monday, November 4th, 2024 https://isc.sans.edu/podcastdetail/9206, (Mon, Nov 4th)

2024-11-04 03:11

qpdf: Extracting PDF Streams, (Sat, Nov 2nd)

2024-11-02 14:11

In diary entry “Analyzing PDF Streams” I answer a question asked by a student of Xavier: “how can you export all streams of a PDF?”. I explained how to do this with my pdf-parser.py tool. This article has been indexed…

ISC Stormcast For Thursday, October 31st, 2024 https://isc.sans.edu/podcastdetail/9204, (Thu, Oct 31st)

2024-10-31 03:10

October 2024 Activity with Username chenzilong, (Thu, Oct 31st)

2024-10-31 01:10

After reviewing the Top 10 Not So Common SSH Usernames and Passwords &#x26;#x5b;1&#x26;#x5d; published by Johannes 2 weeks ago, I noticed activity by one in his list that we don&#x26;#39;t really know what it is. Beginning 12 October 2024, my…

Scans for RDP Gateways, (Wed, Oct 30th)

2024-10-31 00:10

RDP is one of the most prominent entry points into networks. Ransomware actors have taken down many large networks after initially entering via RDP. Credentials for RDP access are often traded by â€œinitial access brokers”. This article has been indexed…

ISC Stormcast For Wednesday, October 30th, 2024 https://isc.sans.edu/podcastdetail/9202, (Wed, Oct 30th)

2024-10-30 03:10

ISC Stormcast For Tuesday, October 29th, 2024 https://isc.sans.edu/podcastdetail/9200, (Tue, Oct 29th)

2024-10-29 03:10

Apple Updates Everything, (Mon, Oct 28th)

2024-10-28 22:10

Today, Apple released updates for all of its operating systems. These updates include new AI features. For iOS 18 users, the only upgrade path is iOS 18.1, which includes the AI features. Same for users of macOS 15 Sequoia. For…

Self-contained HTML phishing attachment using Telegram to exfiltrate stolen credentials, (Mon, Oct 28th)

2024-10-28 08:10

Phishing authors have long ago discovered that adding HTML attachments to the messages they send out can have significant benefits for them â€“ especially since an HTML file can contain an entire credential-stealing web page and does not need to…

ISC Stormcast For Monday, October 28th, 2024 https://isc.sans.edu/podcastdetail/9198, (Mon, Oct 28th)

2024-10-28 03:10

Two currently (old) exploited Ivanti vulnerabilities, (Sun, Oct 27th)

2024-10-27 20:10

Ivanti products have given us a rich corpus of vulnerabilities in recent months (years). Of course, we do see occasional scans attempting to exploit them. Just today, I spotted two of them. None of them is particularly new, but a…

ISC Stormcast For Friday, October 25th, 2024 https://isc.sans.edu/podcastdetail/9196, (Fri, Oct 25th)

2024-10-25 03:10

Development Features Enabled in Prodcution, (Thu, Oct 24th)

2024-10-24 18:10

We do keep seeing attackers “poking around” looking for enabled development features. Developers often use these features and plugins to aid in debugging web applications. But if left behind, they may provide an attacker with inside to the application. In…

ISC Stormcast For Thursday, October 24th, 2024 https://isc.sans.edu/podcastdetail/9194, (Thu, Oct 24th)

2024-10-24 03:10

Everybody Loves Bash Scripts. Including Attackers., (Wed, Oct 23rd)

2024-10-23 17:10

Today our “First Seen” page displayed a number of simple URLs: This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Everybody Loves Bash Scripts. Including Attackers., (Wed, Oct 23rd)

Everybody Loves Bash Scripts. Including Attackers., (Wed, Oct 23rd)

2024-10-23 17:10

ISC Stormcast For Wednesday, October 23rd, 2024 https://isc.sans.edu/podcastdetail/9192, (Wed, Oct 23rd)

2024-10-23 03:10

How much HTTP (not HTTPS) Traffic is Traversing Your Perimeter?, (Tue, Oct 22nd)

2024-10-22 18:10

Back in June of 2010, The Electronic Frontier Foundation (EFF) released the first beta release of the “HTTPS Everywhere” plugin [1]. Even then, most websites offered HTTPS. But unlike today, HTTP was often still the default, and HTTPS was not…

ISC Stormcast For Tuesday, October 22nd, 2024 https://isc.sans.edu/podcastdetail/9190, (Tue, Oct 22nd)

2024-10-22 03:10

A Network Nerd’s Take on Emergency Preparedness, (Tue, Oct 15th)

2024-10-21 16:10

Over the last month, two hurricanes barely missed me. Luckily, neither caused me any significant inconvenience. Sadly, others were not as lucky, and I think this is a good time to do a little “Lessons Learned” exercise. It made me…

ISC Stormcast For Monday, October 21st, 2024 https://isc.sans.edu/podcastdetail/9188, (Mon, Oct 21st)

2024-10-21 03:10

ISC Stormcast For Friday, October 18th, 2024 https://isc.sans.edu/podcastdetail/9186, (Fri, Oct 18th)

2024-10-18 03:10

ISC Stormcast For Thursday, October 17th, 2024 https://isc.sans.edu/podcastdetail/9184, (Thu, Oct 17th)

2024-10-17 03:10

Scanning Activity from Subnet 15.184.0.0/16, (Thu, Oct 17th)

2024-10-17 02:10

I noticed in my logs 2 weeks ago regular probe from a subnet in the Amazone cloud only scanning for TCP/8080 capture by the iptables of my DShield sensor. The scanning started on the 15 Aug – 4 Oct 2024…

The Top 10 Not So Common SSH Usernames and Passwords, (Wed, Oct 16th)

2024-10-16 18:10

Our list of “Top” ssh usernames and password is pretty static. Well known defaults, like “root” and “admin” are at the top of the list. But there are always some usernames and password in the list that are not as…

ISC Stormcast For Wednesday, October 16th, 2024 https://isc.sans.edu/podcastdetail/9182, (Wed, Oct 16th)

2024-10-16 03:10

Angular-base64-update Demo Script Exploited (CVE-2024-42640), (Tue, Oct 15th)

2024-10-15 16:10

Demo scripts left behind after installing applications or frameworks are an ongoing problem. After installation, removing any “demo” or “example” folders is usually best. A few days ago, Ravindu Wickramasinghe noticed that the Angular-base64-upload project is leaving behind a demo…

ISC Stormcast For Tuesday, October 15th, 2024 https://isc.sans.edu/podcastdetail/9180, (Tue, Oct 15th)

2024-10-15 03:10

Phishing Page Delivered Through a Blob URL, (Mon, Oct 14th)

2024-10-14 08:10

I receive a lot of spam in my catch-all mailboxes. If most of them are not interesting, some still attract my attention. Especially the one that I&#x26;#39;ll describe in this diary. The scenario is classic, an important document is pending…

ISC Stormcast For Monday, October 14th, 2024 https://isc.sans.edu/podcastdetail/9178, (Mon, Oct 14th)

2024-10-14 03:10

Wireshark 4.4.1 Released, (Sun, Oct 13th)

2024-10-13 07:10

Wireshark release 4.4.1 fixes 2 vulnerabilities and 27 bugs. One of these bugfixes is for the missing IP address plugin on Windows, see “Wireshark 4.4&#x26;#39;s IP Address Functions”. This article has been indexed from SANS Internet Storm Center, InfoCON: green…

ISC Stormcast For Friday, October 11th, 2024 https://isc.sans.edu/podcastdetail/9176, (Fri, Oct 11th)

2024-10-11 03:10

GPTHoney: A new class of honeypot [Guest Diary], (Thu, Oct 10th)

2024-10-10 04:10

[This is a Guest Diary by Christopher Schroeder, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: GPTHoney: A new class of honeypot…

ISC Stormcast For Thursday, October 10th, 2024 https://isc.sans.edu/podcastdetail/9174, (Thu, Oct 10th)

2024-10-10 03:10

From Perfctl to InfoStealer, (Wed, Oct 9th)

2024-10-09 08:10

A few days ago, a new stealthy malware targeting Linux hosts made a lot of noise: perfctl[1]. The malware has been pretty well analyzed and I won&#x27t repeat what has been already disclosed. I found a copy of the “httpd”…

ISC Stormcast For Wednesday, October 9th, 2024 https://isc.sans.edu/podcastdetail/9172, (Wed, Oct 9th)

2024-10-09 03:10

Microsoft Patch Tuesday – October 2024, (Tue, Oct 8th)

2024-10-08 20:10

Microsoft today released patches for 117 vulnerabilities. Three additional vulnerabilities apply to Chromium/Edge. Another three vulnerabilities are rated critical. This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Microsoft Patch Tuesday – October…

ISC Stormcast For Tuesday, October 8th, 2024 https://isc.sans.edu/podcastdetail/9170, (Tue, Oct 8th)

2024-10-08 03:10

macOS Sequoia: System/Network Admins, Hold On!, (Mon, Oct 7th)

2024-10-07 17:10

It&#x26;#39;s always tempting to install the latest releases of your preferred software and operating systems. After all, that&#x26;#39;s the message we pass to our beloved users: “Patch, patch, and patch again!”. Last week, I was teaching for SANS and decided…

ISC Stormcast For Monday, October 7th, 2024 https://isc.sans.edu/podcastdetail/9168, (Mon, Oct 7th)

2024-10-07 03:10

Survey of CUPS exploit attempts, (Fri, Oct 4th)

2024-10-04 15:10

It is about a week since the release of the four CUPS remote code execution vulnerabilities. After the vulnerabilities became known, I configured one of our honeypots that watches a larger set of IPs to specifically collect UDP packets to…

ISC Stormcast For Friday, October 4th, 2024 https://isc.sans.edu/podcastdetail/9166, (Fri, Oct 4th)

2024-10-04 03:10

ISC Stormcast For Thursday, October 3rd, 2024 https://isc.sans.edu/podcastdetail/9164, (Thu, Oct 3rd)

2024-10-03 03:10

Kickstart Your DShield Honeypot [Guest Diary], (Thu, Oct 3rd)

2024-10-03 01:10

[This is a Guest Diary by Joshua Gilman, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: Kickstart Your DShield Honeypot [Guest Diary],…

Security related Docker containers, (Wed, Oct 2nd)

2024-10-02 19:10

Over the last 9 months or so, I&#x26;#39;ve been putting together some docker containers that I find useful in my day-to-day malware analysis and forensicating. I have been putting them up on hub.docker.com and decided, I might as well let…

ISC Stormcast For Wednesday, October 2nd, 2024 https://isc.sans.edu/podcastdetail/9162, (Wed, Oct 2nd)

2024-10-02 03:10

Hurricane Helene Aftermath – Cyber Security Awareness Month, (Tue, Oct 1st)

2024-10-01 15:10

For a few years now, October has been “National Cyber Security Awareness Month”. This year, it is a good opportunity for a refresher on some scams that tend to happen around disasters like Hurricane Helene. The bigger the disaster, the…

ISC Stormcast For Tuesday, October 1st, 2024 https://isc.sans.edu/podcastdetail/9160, (Tue, Oct 1st)

2024-10-01 03:10

Tool update: mac-robber.py and le-hex-to-ip.py, (Mon, Sep 30th)

2024-09-30 18:09

One of the problems I&#x26;#39;ve had since I originally wrote mac-robber.py [1][2][3] seven years ago is that because of the underlying os.stat python library we couldn&#x26;#39;t get file creation times (B-times). Since the release of GNU coreutils 8.32 (or so),…

ISC Stormcast For Monday, September 30th, 2024 https://isc.sans.edu/podcastdetail/9158, (Mon, Sep 30th)

2024-09-30 03:09

ISC Stormcast For Friday, September 27th, 2024 https://isc.sans.edu/podcastdetail/9156, (Fri, Sep 27th)

2024-09-27 03:09

Patch for Critical CUPS vulnerability: Don’t Panic, (Thu, Sep 26th)

2024-09-26 21:09

These last two days, a lot has been talked about a “Doomsday 9.9 RCE bug&#x26;#39;” in Linux [1]. We now have some additional details from Simone Margaritelli, who discovered and reported the vulnerabilities. This article has been indexed from SANS…

ISC Stormcast For Thursday, September 26th, 2024 https://isc.sans.edu/podcastdetail/9154, (Thu, Sep 26th)

2024-09-26 03:09

OSINT – Image Analysis or More Where, When, and Metadata [Guest Diary], (Wed, Sep 25th)

2024-09-26 02:09

[This is a Guest Diary by Thomas Spangler, an ISC intern as part of the SANS.edu BACS program] This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original article: OSINT – Image Analysis or More…

DNS Reflection Update and Odd Corrupted DNS Requests, (Wed, Sep 25th)

2024-09-25 18:09

Occasionally, I tend to check in on what reflective DNS denial of service attacks are doing. We usually see steady levels of attacks. Usually, they attempt to use spoofed requests for ANY records to achieve the highest possible amplification. Currently,…

ISC Stormcast For Wednesday, September 25th, 2024 https://isc.sans.edu/podcastdetail/9152, (Wed, Sep 25th)

2024-09-25 03:09

Exploitation of RAISECOM Gateway Devices Vulnerability CVE-2024-7120, (Tue, Sep 24th)

2024-09-24 15:09

Late in July, a researcher using the alias “NETSECFISH” published a blog post revealing a vulnerability in RASIECOM gateway devices [1]. The vulnerability affects the “vpn/list_base_Config.php” endpoint and allows for unauthenticated remote code execution. According to Shodan, about 25,000 vulnerable…

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