Sophos X-Ops Archives - Page 5 of 6

Signed driver malware moves up the software trust chain

by unitedimaging on December 13, 2022

The criminals signed their AV-killer malware, closely related to one known as BURNTCIGAR, with a legitimate WHCP certificate Contact us today for more information about SOPHOS cyber security solutions

The scammers who scam scammers on cybercrime forums: Part 1

by unitedimaging on December 7, 2022

A shadowy sub-economy is more than just a curiosity – it’s booming business, and also an opportunity for defenders. In the first of a four-part series, we look at the […]

Detection Tools and Human Analysis Lead to a Security Non-Event

by unitedimaging on November 30, 2022

A look at how MDR turned a targeted attack into a non-event, in which no high-value credentials are compromised and several dozen employees are not tricked into letting a bad […]

LockBit 3.0 ‘Black’ attacks and leaks reveal wormable capabilities and tooling

by unitedimaging on November 30, 2022

Reverse-engineering reveals close similarities to BlackMatter ransomware, with some improvements Contact us today for more information about SOPHOS cyber security solutions

Sophos 2023 Threat Report: the continued evolution of “Crime-as-a-Service”

by unitedimaging on November 17, 2022

Maturing marketplaces, capabilities-for-hire continue to proliferate professional tools, techniques and practices across the threat spectrum. Contact us today for more information about SOPHOS cyber security solutions

Microsoft patches 62 vulnerabilities, including Kerberos, and Mark of the Web, and Exchange…sort of

by unitedimaging on November 8, 2022

Still no fix for ProxyNotShell, but two MOTW bypasses get squashed Contact us today for more information about SOPHOS cyber security solutions

Family Tree: DLL-Sideloading Cases May Be Related

by unitedimaging on November 3, 2022

A threat actor’s repeated use of DLL-hijack execution flow makes for interesting attack results, including omnivorous file ingestion; we break down five cases and find commonalities Contact us today for […]

For Cybersecurity Awareness Month, how about better cybersecurity advice?

by unitedimaging on October 13, 2022

Let us be frank: The same old warnings to users aren’t cutting it, and it’s the technologists’ fault. Chester Wisniewski lays out a wiser way. Contact us today for more […]

Are threat actors turning to archives and disk images as macro usage dwindles?

by unitedimaging on October 12, 2022

Following Microsoft’s announcement that macros from the internet will be disabled by default, threat actors are using alternative file types for malware delivery. This shift brings both challenges and opportunities […]

Remove All The Callbacks – BlackByte Ransomware Disables EDR Via RTCore64.sys Abuse

by unitedimaging on October 4, 2022

A fresh exploration of the malware uncovers a new tactic for bypassing security products by abusing a known driver vulnerability Contact us today for more information about SOPHOS cyber security […]

Six months on: Looking back at the role of cyberattacks in the Ukraine War

by unitedimaging on September 14, 2022

When Russia invaded Ukraine on February 24th 2022, none of us knew what role cyberattacks might play in a full-scale invasion. Russia had been conducting cyberattacks against Ukraine since it […]

A lighter Patch Tuesday, but one heavy with remote code execution bugs

by unitedimaging on September 13, 2022

There are fewer bugs in September’s update than in previous months, with RCE vulns making up the bulk of the addressed CVEs Contact us today for more information about SOPHOS […]

Cookie stealing: the new perimeter bypass

by unitedimaging on August 18, 2022

As organizations move to cloud services and multifactor authentication, cookies tied to identity and authentication give attackers a new path to compromise. Contact us today for more information about SOPHOS […]

Lockbit, Hive, and BlackCat attack automotive supplier in triple ransomware attack

by unitedimaging on August 10, 2022

After gaining access via RDP, all three threat actors encrypted files, in an investigation complicated by event log clearing and backups. 3 attackers, 2 weeks – 1 entry point. Contact […]

Multiple attackers increase pressure on victims, complicate incident response

by unitedimaging on August 9, 2022

Sophos’ latest Active Adversary report explores the issue of organizations being hit multiple times by attackers Contact us today for more information about SOPHOS cyber security solutions

SophosAI presentations at Black Hat, BSides LV and DEF CON AI Village

by unitedimaging on August 8, 2022

Six presentations in Las Vegas this week cover multiple cybersecurity applications of machine learning Contact us today for more information about SOPHOS cyber security solutions