I am TA-ing for Taz for the new SANS FOR577 class again and I figured it was time to release some fixes to my le-hex-to-ip.py script that I wrote up last fall while doing the same. I still plan to…
Tag: SANS Internet Storm Center, InfoCON: green
ISC Stormcast For Monday, March 25th, 2024 https://isc.sans.edu/podcastdetail/8908, (Mon, Mar 25th)
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 Monday, March 25th, 2024…
1768.py’s Experimental Mode, (Sat, Mar 23rd)
The reason I extracted a PE file in my last diary entry, is that I discovered it was the dropper of a Cobalt Strike beacon @DebugPrivilege had pointed me to. My 1768.py tool crashed on the process memory dump. This…
ISC Stormcast For Friday, March 22nd, 2024 https://isc.sans.edu/podcastdetail/8906, (Fri, Mar 22nd)
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, March 22nd, 2024…
Whois “geofeed” Data, (Thu, Mar 21st)
Attributing a particular IP address to a specific location is hard and often fails miserably. There are several difficulties that I have talked about before: Out-of-date whois data, data that is outright fake, or was never correct in the first…
ISC Stormcast For Thursday, March 21st, 2024 https://isc.sans.edu/podcastdetail/8904, (Thu, Mar 21st)
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 Thursday, March 21st, 2024…
Scans for Fortinet FortiOS and the CVE-2024-21762 vulnerability, (Wed, Mar 20th)
Late last week, an exploit surfaced on GitHub for CVE-2024-21762 [1]. This vulnerability affects Fortinet's FortiOS. A patch was released on February 8th. Owners of affected devices had over a month to patch [2]. A few days prior to the GitHub…
ISC Stormcast For Wednesday, March 20th, 2024 https://isc.sans.edu/podcastdetail/8902, (Wed, Mar 20th)
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 Wednesday, March 20th, 2024…
Attacker Hunting Firewalls, (Tue, Mar 19th)
Firewalls and other perimeter devices are a huge target these days. Ivanti, Forigate, Citrix, and others offer plenty of difficult-to-patch vulnerabilities for attackers to exploit. Ransomware actors and others are always on the lookout for new victims. However, being and…
ISC Stormcast For Tuesday, March 19th, 2024 https://isc.sans.edu/podcastdetail/8900, (Tue, Mar 19th)
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 Tuesday, March 19th, 2024…
ISC Stormcast For Monday, March 18th, 2024 https://isc.sans.edu/podcastdetail/8898, (Mon, Mar 18th)
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 Monday, March 18th, 2024…
Gamified Learning: Using Capture the Flag Challenges to Supplement Cybersecurity Training [Guest Diary], (Sun, Mar 17th)
[This is a Guest Diary by Joshua Woodward, 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: Gamified Learning: Using Capture the Flag…
Obfuscated Hexadecimal Payload, (Sat, Mar 16th)
This PE file contains an obfuscated hexadecimal-encoded payload. When I analyze it with base64dump.py searching for all supported encodings, a very long payload is detected: This article has been indexed from SANS Internet Storm Center, InfoCON: green Read the original…
ISC Stormcast For Friday, March 15th, 2024 https://isc.sans.edu/podcastdetail/8896, (Fri, Mar 15th)
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, March 15th, 2024…
5Ghoul Revisited: Three Months Later, (Fri, Mar 15th)
About three months ago, I wrote about the implications and impacts of 5Ghoul in a previous diary [1]. The 5Ghoul family of vulnerabilities could cause User Equipment (UEs) to be continuously exploited (e.g. dropping/freezing connections, which would require manual rebooting…
Increase in the number of phishing messages pointing to IPFS and to R2 buckets, (Thu, Mar 14th)
Credential-stealing phishing is constantly evolving, nevertheless, some aspects of it – by necessity – stay the same. One thing, which is constant, is the need for a credential gathering mechanism, and although threat actors have come up with a number…
ISC Stormcast For Thursday, March 14th, 2024 https://isc.sans.edu/podcastdetail/8894, (Thu, Mar 14th)
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 Thursday, March 14th, 2024…
Using ChatGPT to Deobfuscate Malicious Scripts, (Wed, Mar 13th)
Today, most of the malicious scripts in the wild are heavily obfuscated. Obfuscation is key to slow down the security analyst's job and to bypass simple security controls. They are many techniques available. Most of the time, your trained eyes…
ISC Stormcast For Wednesday, March 13th, 2024 https://isc.sans.edu/podcastdetail/8892, (Wed, Mar 13th)
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 Wednesday, March 13th, 2024…
Microsoft Patch Tuesday – March 2024, (Tue, Mar 12th)
This month's patches are oddly “light”. We have patches for 60 vulnerabilities and 4 Chromium patches affecting Microsoft Edge. But only two of the vulnerabilities are rated as “Critical”: This article has been indexed from SANS Internet Storm Center, InfoCON:…