Hacktivists Expanding DDoS Attacks as Part of International Cyber Warfare Strategy

In April 2022 it was reported that pro-Russian hacktivist group, KILLNET, carried out a series of Distributed Denial of Service DDoS attacks against a number of websites including the United Nations UN, The Organization for Security and Cooperation OSCE an organization founded in Finland, and oth...

Researchers Find New Malware Attacks Targeting Russian Government Entities

An unknown advanced persistent threat APT group has been linked to a series of spear-phishing attacks targeting Russian government entities since the onset of the Russo-Ukrainian war in late February 2022. "The campaigns ... are designed to implant a Remote Access Trojan RAT that can be used to...

New Chaos Ransomware Builder Variant "Yashma" Discovered in the Wild

Cybersecurity researchers have disclosed details of the latest version of the Chaos ransomware line, dubbed Yashma. "Though Chaos ransomware builder has only been in the wild for a year, Yashma claims to be the sixth version v6.0 of this malware," BlackBerry research and intelligence team said in...

Conti Ransomware Operation Shut Down After Splitting into Smaller Groups

Even as the operators of Conti threatened to overthrow the Costa Rican government, the notorious cybercrime gang officially took down its attack infrastructure in favor of migrating their malicious cyber activities to other ancillary operations, including Karakurt and BlackByte. "From the...

Unknown APT group has targeted Russia repeatedly since Ukraine invasion

An unknown Advanced Persistent Threat APT group has targeted Russian government entities with at least four separate spear phishing campaigns since late February, 2022. The campaigns, discovered by the Malwarebytes Threat Intelligence team, are designed to implant a Remote Access Trojan RAT that...

This Hacktivist Site Lets You Prank Call Russian Officials

To protest the war in Ukraine, WasteRussianTime.today auto-dials Russian government officials, connects them to each other, and lets you listen in to their confusion...

Evaluation of cyber activities and the threat landscape in Ukraine

Introduction When the war in Ukraine broke out, many analysts were surprised to discover that what was simultaneously happening in the cyber domain did not match their predictions1. Since the beginning of the fighting, new cyberattacks taking place in Ukraine have been identified every week, whic...

semexukraine.com Cross Site Scripting vulnerability OBB-2620547

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Custom PowerShell RAT targets Germans seeking information about the Ukraine crisis

This blog post was authored by Hossein Jazi and Jérôme Segura Populations around the world—and in Europe in particular—are following the crisis in Ukraine very closely, and with events unfolding on a daily basis, people are hungry for information. Although all countries have reasons to be...

E.U. Blames Russia for Cyberattack on KA-SAT Satellite Network Operated by Viasat

The Five Eyes nations comprising Australia, Canada, New Zealand, the U.K., and the U.S., along with Ukraine and the European Union, formally pinned Russia for masterminding an attack on an international satellite communication...

“Chemical attack” email warnings deliver Jester Stealer malware

Jester Stealer, a malicious file capable of large amounts of data theft, is on the prowl again. The Ukrainian Computer Emergency Response Team CERT-UA has warned of a large distribution campaign abusing a "chemical attack" theme. Receiving an email like this in the invasion-affected regions of...

Small Drones Are Giving Ukraine an Unprecedented Edge

From surveillance to search-and-rescue, consumer drones are having an unprecedented impact on Ukraine’s defense against Russia...

Nigerian Tesla: 419 scammer gone malware distributor unmasked

Agent Tesla is a well-known data stealer written in .NET that has been active since 2014 and is perhaps one of the most popular payloads observed in malspam campaigns. While looking for threats targeting Ukraine, we identified a group we call "Nigerian Tesla" that has been dabbling into phishing...

Ukraine War Themed Files Become the Lure of Choice for a Wide Range of Hackers

A growing number of threat actors are using the ongoing Russo-Ukrainian war as a lure in various phishing and malware campaigns, even as critical infrastructure entities continue to be heavily targeted. "Government-backed actors from China, Iran, North Korea and Russia, as well as various...

State-backed hacking group from China is targeting the Russian military

In an unexpected turn of events, research has surfaced about a Chinese APT advanced persistent threat group targeting the Russian military in recent cyberattacks. Tracked as Bronze President, Mustang Panda, RedDelta, and TA416, the group has focused mainly on Southeast Asian targets—and more...

Russia continues digital onslaught against Ukrainian systems

According to Microsoft, at least six Kremlin-backed hacking groups have been attacking Ukraine in the digital space in an onslaught that began before the invasion in late February. The company counted more than 237 cyberattack operations against Ukrainian systems and critical infrastructure. Thes...

Microsoft Documents Over 200 Cyberattacks by Russia Against Ukraine

At least six different Russia-aligned actors launched no less than 237 cyberattacks against Ukraine from February 23 to April 8, including 38 discrete destructive attacks that irrevocably destroyed files in hundreds of systems across dozens of organizations in the country. "Collectively, the cybe...

Ukraine’s Digital Battle With Russia Isn’t Going as Expected

Even the head of the country's online offensive is surprised by the successes—although they’re not without controversy...

Ukraine government and pro-Ukrainian sites hit by DDoS attacks

The Computer Emergency Response Team in Ukraine CERT-UA has announced that Ukraine government web portals and pro-Ukraine sites are subjected to ongoing DDoS distributed denial of service attacks. They dont currently know who is behind these attacks. The attack involves injecting a malicious...

Fake USA for UNHCR site wants your Ukraine donations in Bitcoin

Since Russia began invading Ukraine in late February, many organizations have set up donation pages to aid the most heavily affected: Families who were forced out of their homes due to bombings and children separated from grown-ups who decided to stay and take arms. Weve also seen a considerable...