CyberSecure Specialist

15 Dec

OilRig’s persistent attacks using cloud service-powered downloaders

Information

ESET researchers analyzed a growing series of OilRig downloaders that the group has used in several campaigns throughout 2022, to maintain access to target organizations of special interest – all located in Israel. These lightweight downloaders, which we named SampleCheck5000 (SC5k v1-v3), OilCheck, ODAgent, and OilBooster, are notable for using one of several legitimate cloud service APIs for C&C communication and data exfiltration: the Microsoft Graph OneDrive or Outlook APIs, and the Microsoft Office Exchange…

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14 Dec

Ten Years Later, New Clues in the Target Breach

Information, Insights

On Dec. 18, 2013, KrebsOnSecurity broke the news that U.S. retail giant Target was battling a wide-ranging computer intrusion that compromised more than 40 million customer payment cards over the previous month. The malware used in the Target breach included the text string “Rescator,” which also was the handle chosen by the cybercriminal who was selling all of the cards stolen from Target customers. Ten years later, KrebsOnSecurity has uncovered new clues about the real-life…

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14 Dec

FortiGuard Releases Security Updates for Multiple Products

Attacks, Insights, Malware

FortiGuard has released security updates to address vulnerabilities in multiple FortiGuard products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following advisories and apply necessary updates: FG-IR-23-196: Double free in cache management FG-IR-22-038: FortiMail, FortiNDR, FortiRecorder, FortiSwitch, FortiVoice – Cross-site scripting forgery (CSRF) in HTTPd CLI console FG-IR-23-138: FortiOS, FortiProxy – Format String Bug in HTTPSd

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14 Dec

CISA Releases Seventeen Industrial Control Systems Advisories

Attacks, Insights, Malware

CISA released seventeen Industrial Control Systems (ICS) advisories on December 14, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-348-01 Cambium ePMP 5GHz Force 300-25 Radio  ICSA-23-348-02 Johnson Controls Kantech Gen1 ioSmart ICSA-23-348-03 Siemens User Management Component (UMC) ICSA-23-348-04 Siemens LOGO! and SIPLUS LOGO! ICSA-23-348-05 Siemens SIMATIC and SIPLUS Products ICSA-23-348-06 Siemens OPC UA Implementation in SINUMERIK ONE and SINUMERIK MC ICSA-23-348-07 Siemens SIMATIC STEP 7 (TIA Portal)…

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14 Dec

A pernicious potpourri of Python packages in PyPI

Information

ESET Research has discovered a cluster of malicious Python projects being distributed in PyPI, the official Python package repository. The threat targets both Windows and Linux systems and usually delivers a custom backdoor. In some cases, the final payload is a variant of the infamous W4SP Stealer, or a simple clipboard monitor to steal cryptocurrency, or both. In May 2023, we reported on another cluster of packages we found on PyPI that delivers password and…

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14 Dec

Delivering trust with DNS security

Information

Cybercrime continues to grow rapidly; indeed, it is a highly lucrative global industry. Without accurately accounting for profits from cybercrime (1, 2), we are left looking at the staggering estimated cost of US$7.08 trillion in 2022 for reference. Measured in terms of GDP, the illegal proceeds would rank as the third-largest “economy” worldwide. Regardless, this landscape keeps evolving, driven by new tech, further monetization of the internet, new illicit opportunities enabled by the vibrant cybercrime…

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13 Dec

CISA and Partners Release Advisory on Russian SVR-affiliated Cyber Actors Exploiting CVE-2023-42793

Attacks, Insights, Malware

Today, CISA—along with the U.S. Federal Bureau of Investigation (FBI), National Security Agency (NSA), Polish Military Counterintelligence Service (SKW), CERT Polska (CERT.PL), and the UK’s National Cyber Security Centre (NCSC)—released a joint Cybersecurity Advisory (CSA), Russian Foreign Intelligence Service (SVR) Exploiting JetBrains TeamCity CVE Globally. Since September 2023, Russian Foreign Intelligence Service (SVR)-affiliated cyber actors (also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, and NOBELIUM/Midnight Blizzard) have been targeting servers hosting JetBrains…

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13 Dec

Silent but deadly: The rise of zero-click attacks

Information

Mobile Security A security compromise so stealthy that it doesn’t even require your interaction? Yes, zero-click attacks require no action from you – but this doesn’t mean you’re left vulnerable. Márk Szabó 11 Dec 2023  •  , 3 min. read In a world of instant communication and accelerated by the ever-spreading notion that if you are not connected or available, you might be the odd one out, messaging has, in many ways, become a crucial…

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13 Dec

Black Hat Europe 2023: Should we regulate AI?

Information

We Live Progress ChatGPT would probably say “Definitely not!”, but will we learn any lessons from the rush to regulate IoT in the past? Tony Anscombe 11 Dec 2023  •  , 3 min. read The accelerated pace in the advancement of technology is challenging for any of us to keep up with, especially for public sector policymakers who traditionally follow rather than lead. Last week, the Black Hat Europe conference held in London, provided an…

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12 Dec

Microsoft Patch Tuesday, December 2023 Edition

Information, Insights

The final Patch Tuesday of 2023 is upon us, with Microsoft Corp. today releasing fixes for a relatively small number of security holes in its Windows operating systems and other software. Even more unusual, there are no known “zero-day” threats targeting any of the vulnerabilities in December’s patch batch. Still, four of the updates pushed out today address “critical” vulnerabilities that Microsoft says can be exploited by malware or malcontents to seize complete control over…

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