Cyberattackers Ramp Up to 1.5M COVID-19 Emails Per Day

Cyberattackers have reached a peak of sending 1.5 million malicious emails per day related to the COVID-19 pandemic over the course of the last three months, according to new research. Research from Forcepoint analyzing coronavirus-themed attacks between Jan. 19 to April 18 found cybercriminals...

Russian Hackers Went After San Francisco International Airport

Plus: Windows zero days, Covid-19 spam, and more of the week's top security news...

'Double Extortion' Ransomware Attacks Spike

Victims of ransomware attacks now face a double whammy of headaches. Cybercriminals are increasingly inflicting more pain on ransomware victims by threatening to leak compromised data or use it in future spam attacks, if ransom demands aren’t met. The ransomware tactic, call “double extortion,”...

Spam and phishing in 2019

Figures of the year The share of spam in mail traffic was 56.51%, which is 4.03 p.p. more than in 2018. The biggest source of spam this year was China 21.26%. 44% of spam e-mails were less than 2 KB in size. Malicious spam was detected most commonly with the Exploit.MSOffice.CVE-2017-11882 verdic...

Spamicide - Critical - Access bypass - SA-CONTRIB-2020-009

The Spamicide module protects Drupal forms with a form field that is hidden from normal users, but visible to spam bots. The module doesn't require appropriate permissions for administrative pages leading to an Access Bypass...

8x8: Send Phishing/Spam email from [email protected] to any email address.

The Sameroom API contained an endpoint to generate an email to notify the user that the account had been updated. This API request utilized a JSON body that specified the email address and DisplayName of the user without validating the format or characters of the DisplayName. An attacker could ha...

Threat Source newsletter (April 2, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. As long as COVID-19 is in the headlines which is going to be a long time actors are going to try and capitalize. We fully expect to see ...

Lock and Code S1Ep3: Dishing on data privacy with Adam Kujawa

This week on Lock and Code, we discuss the top security headlines generated right here on Labs and around the Internet. In addition, we talk to Adam Kujawa, a director of Malwarebytes Labs, about the state of data privacy today, including how users and businesses can protect sensitive information...

WHO Targeted in Espionage Attempt, COVID-19 Cyberattacks Spike

The World Health Organization WHO has attracted the notice of cybercriminals as the worldwide COVID-19 pandemic continues to play out, with a doubling of attacks recently, according to officials there. Problematically, evidence has also now apparently surfaced that the DarkHotel APT group has tri...

U-Mail mail server software suffers from SQL injection vulnerability ( CNVD-2020-26502).

U-Mail mail server software is a domestic first-tier brand that really provides lifetime free upgrades to the mail system, including data upgrades to the mail system, antivirus engine, and anti-spam engine. U-Mail mail server software has SQL injection vulnerability, attackers can use the...

Cybercriminals impersonate World Health Organization to distribute fake coronavirus e-book

The number of scams, threats, and malware campaigns taking advantage of public concern over the coronavirus is increasing each day. As a result, we've been actively monitoring emails within our spam honeypot to flag such threats and make sure our users are protected. Yesterday, we observed a...

Cookiethief: a cookie-stealing Trojan for Android

We recently discovered a new strain of Android malware. The Trojan detected as: Trojan-Spy.AndroidOS.Cookiethief turned out to be quite simple. Its main task was to acquire root rights on the victim device, and transfer cookies used by the browser and Facebook app to the cybercriminals' server...

New TrickBot Variant Updates Anti-Analysis Tricks

Researchers uncovered a new variant of the TrickBot malware that relies on new anti-analysis techniques, an updated method for downloading its payload as well as adopting minor changes to the integration of its components. TrickBot is a module-based malware that, while first identified as a banki...

Necurs Botnet in Crosshairs of Global Takedown Offensive

A New York State court issued an order this week giving Microsoft control of the U.S.-based infrastructure used by the notorious Necurs botnet in an effort to stop the world’s most prolific and globally dispersed spam and malware infrastructure. The move came after Microsoft and partners across 3...

Necurs Botnet in Crosshairs of Global Takedown Offensive

A New York State court issued an order this week giving Microsoft control of the U.S.-based infrastructure used by the notorious Necurs botnet in an effort to stop the world’s most prolific and globally dispersed spam and malware infrastructure. The move came after Microsoft and partners across 3...

Microsoft Hijacks Necurs Botnet that Infected 9 Million PCs Worldwide

Microsoft today announced that it has successfully disrupted the botnet network of the Necurs malware, which has infected more than 9 million computers globally, and also hijacked the majority of its infrastructure. The latest botnet takedown was the result of a coordinated operation involving...

Trump, Sanders Are the Top Brands for Cybercriminals

Unwanted and malicious emails using political-themed lures has spiked as the presidential primary season cranks into high gear – with Donald Trump and Bernie Sanders representing the lion’s share of subject line themes. Since the beginning of the year, Proofpoint researchers have tracked subject...

HackerOne: Mismatch between frontend and backend validation via `ban_researcher` leads to H1 support and hackers email spam

Summary: We found a mismatch between the frontend and backend validation when using the ban researcher feature, available for program customer. Description: When a program customer issues a ban, an automatic email will be send both to the banned user and H1 support. The problem is that fronted wi...

Concern over Coronavirus Leading to Global Spread of Fake Pharmacy Spam

High levels of concern around the Coronavirus are currently being used to increase the online popularity of spam campaigns designed to spread fake news and drive unsuspecting users to dubious online drug stores. Given the level of anxiety that currently exists globally around the spread of the...

[SECURITY] [DSA 4615-1] spamassassin security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4615-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 01, 2020 https://www.debian.org/security/faq -...