Evince – Ubuntu Process
Evince is a free and opensource GNOME Document Viewer. It becomes available in the Process Manager once you open a PDF document in Ubuntu. [...]
End of an Era
Case In Point: Nemesis Known inception date: 2021 User accounts: 150,000 Sellers: 1,100 Market share: 20% of goods sold belong to Germany Taken Down Announcement: March 20th, 2024 Case In Point: CrimeMarket Registered User: 180,000 102 Search Warrants Dated: February 29th, 2024 Focus Area: North Rhine-Westphalia (with 36 warrants issued) [...]
Single Points of Failure: CrowdStrike Outage 2024
Seems like not just a driver update… White House said that Joe Biden was also briefed on the incident… CrowdStrike CEO called before the House Committee… CrowdStrike Preliminary Post Incident Review https://www.crowdstrike.com/falcon-content-update-remediation-and-guidance-hub [...]
Handling Destructive Malware
Potential Distribution Vectors: Fixing it: Recovery Plan: Responding to the Incident: [Atypical malware delivery mechanisms] Source: https://www.cisa.gov/news-events/cybersecurity-advisories/aa22-057a [...]
WhisperGate
Target: Ukraine Year: since January, 2022 Genre: Ransomware Reporter: Microsoft Threat Intelligence Center (MSTIC) Case Study: WhisperGate has two stages: Corrupt system’s boot record, display a fake ransomware note, encrypt files based on certain extensions. The target data is destroyed already; even if you paid the ransom. News: $10million for [...]
FrostyGoop
Keypoints: Possible access to the network: April 2023 Exploitation: January 22-23, 2024 Exploitation IP(s): Moscow Russia Reporter: CTO Dragos, Phil Tonking Category: Malware Victim: City of Lviv, Ukraine Impact: Loss of heating, people suffering sub-zero temperatures Time to resolution: 2 Days Loss: 600 homes without heating Entrypoint: Possibility of exploiting [...]
Moodle Setup
Version 4.5(dev) SSL certificate unavailability during the localhost setup returns the following error message: Dataroot location is not secure Open install.php and replace the function call is_dataroot_insecure() with FALSE [...]
Tree command in Ubuntu
tree -d # to display only the directories [Tree Documentation] An alternate is to use find find . -maxdepth 1 -type d find . -maxdepth 5 -type d find . -maxdepth 100 -type d [...]