A cybersecurity company focusing on advanced MDR and Compromise Assessments for small to medium sized businesses.hyperviewsecurity.comJoined October 2022
I'm just gonna go ahead and say it. If you have:
Cisco VPN
No MFA for it
You may get a surprise knock from #Akira#Ransomware soon.
So yeah, go look at your AD auth logs for 4624/4625 from a WIN-* machine in your user VPN range.
If you have a hit, may the IR Gods help you.
Today we announce YARA Netloc, a new feature extending YARA's supported entities from traditional files to network infra, including domains, URLs and IPs. This opens endless possibilities for hunting and monitoring. All details here, by @leximagination: blog.virustotal.com/2023/07/action…
🚨 Alert! 🚨 There is a critial #RCE vulnerability in #Citrix NetScaler ADC with CVSS score 9.8. Zero-day #exploits have already been seen in the wild. Patch your systems now!
We just launched the Beta version of urlscan Observe, our automated monitoring and alerting system. With Observe you can monitor a hostname, domain, or URL, see changes to it over time and be notified about these changes via email or webhook. urlscan.io/blog/2023/07/1…
Finally! Someone put the two IP IOCs related to the #Citrix Netscaler ADC vuln CVE-2023-3519 in a Virustotal Graph, which allows me to share them
216[.]41[.]162[.]172
216[.]51[.]171[.]17
virustotal.com/graph/g6a29f00…
I’m excited to launch our latest online course, YARA for Security Analysts.
We built this course for people who want to learn to write YARA rules for detection engineering, system triage, incident response, and threat intel research.
#Yara#DetectionEngineering#DFIR#Malware
New blog post based on a recent intrusion I observed with #Ursnif as the initial infection!
Topics include:
✅ Detection opportunities
✅ TAs clipboard data
✅ Post-exploitation
and more!
The artifacts for this case: buff.ly/3NYx49v
The blog: buff.ly/44QCSJ0
July 13th Pompompurin, the previous administrator of the infamous Breached forums, plead guilty to 3 charges in federal court.
- Conspiracy to Commit Access Device Fraud
- Access Device Fraud – Unauthorized Solicitation
- Possession of Child Pornography
We’re sharing more details from our investigation of the Storm-0558 campaign that targeted customer email, including our analysis of the threat actor’s techniques, tools, and infrastructure, and the steps we took to harden systems involved: msft.it/6017g26HL
If you missed it yesterday, Microsoft released an advisory concerning the CVE-2023-36884: msrc.microsoft.com/update-guide/v…. This RCE is currently used by a TA and there is no patch. You should apply the mitigation described in the advisory.
1/4
I am working on a mini blog to share information related to post-exploitation activities that I observed for this ursnif campaign👇
The artifacts will be made available here: github.com/tsale/Intrusio…
Things you should expect to see:
➡️Live Screenshots taken by TA using VNC…
I am working on a mini blog to share information related to post-exploitation activities that I observed for this ursnif campaign👇
The artifacts will be made available here: github.com/tsale/Intrusio…
Things you should expect to see:
➡️Live Screenshots taken by TA using VNC…
New VenomLNK samples and domains:
kevinburciaga[.]com
00da4d01872fbf22924f0dd25e50631209ad6d592d65c54fd37f7cdf9fc624cb
jameslachman[.]com
23c4df003dbf51129e88a24805c8b75cbc40355980107f9676c032c5a513f124
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