Research Archives

New Attacks on Kubernetes via Misconfigured Argo Workflows

Key Points Intezer has detected a new attack vector against Kubernetes (K8s) clusters via misconfigured Argo Workflows instances. Attackers are already taking advantage of this...

Targeted Phishing Attack against Ukrainian Government Expands to Georgia

In May 2021, Fortinet published a report about the early stages of an ongoing phishing attack against the Ukrainian government. The attack, initially...

Global Phishing Campaign Targets Energy Sector and its Suppliers

Our research team has found a sophisticated campaign, active for at least one year, targeting large international companies in the energy, oil...

Klingon RAT Holding on for Dear Life

With more malware written in Golang than ever before, the threat from Go-based Remote Access Trojans (RATs) has never been higher. Not only...

New Linux Backdoor RedXOR Likely Operated by Chinese Nation-State Actor

We discovered a new sophisticated backdoor targeting Linux endpoints and servers Based on Tactics, Techniques, and Procedures (TTPs) the backdoor is believed to...

Year of the Gopher: 2020 Go Malware Round-Up

Developers are not the only ones that have adopted Go. Malware written in Go has been steadily increasing. In the last few...

How We Escaped Docker in Azure Functions

Summary of Findings What is Azure Functions? Technical Analysis Proof of Concept Why Does this Matter? Summary of Findings In previous months...

A Rare Look Inside a Cryptojacking Campaign and its Profit

Intro Linux threats are becoming more frequent. A common type of Linux threat is cryptojacking, which is the unauthorized use of an...

Operation ElectroRAT: Attacker Creates Fake Companies to Drain Your Crypto Wallets

Already with thousands of victims. Intro With Bitcoin on the rise and a market exceeding billions of dollars, cryptocurrency has attracted threat actors...

Early Bird Catches the Worm: New Golang Worm Drops XMRig Miner on Servers

Intro In early December, we discovered a new, undetected worm written in Golang. This worm continues the popular 2020 trend of multi-platform malware developed...

PureLocker: New Ransomware-as-a-Service Being Used in Targeted Attacks Against Servers

Analysis by Intezer and IBM X-Force points its origins to a Malware-as-a-Service (MaaS) provider utilized by the Cobalt Gang and FIN6 attack...

Mapping the Connections Inside Russia's APT Ecosystem

This research is a joint effort conducted by Omri Ben-Bassat from Intezer and Itay Cohen from Check Point Research. Prologue пролог If...

Watching the WatchBog: New BlueKeep Scanner and Linux Exploits

Overview We have discovered a new version of WatchBog—a cryptocurrency-mining botnet operational since late 2018—that we suspect has compromised more than 4,500 Linux...

EvilGnome: Rare Malware Spying on Linux Desktop Users

Introduction Linux desktop remains an unpopular choice among mainstream desktop users, making up a little more than 2% of the desktop operating system...

Executable and Linkable Format 101 Part 4: Dynamic Linking

This is a new post in our Executable and Linkable Format (ELF) 101 series, where the goal is to spread awareness about the...

ChinaZ Revelations: Revealing ChinaZ Relationships with other Chinese Threat Actor Groups

Introduction Distributed denial-of-service (DDoS) attacks were on the rise in 2018, ranging from a high volume of Mirai attacks to more sophisticated...

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Verifying Code Reuse Between Ursnif and 'Brexit' Malware Campaign Targeting the United Kingdom

Today My Online Security published research describing a fairly large Ursnif campaign targeting the United Kingdom. The threat actors behind the attack are using...

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