Buffer overflow

The ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to a lack of input validation checking mechanisms during certain mail...

The Many Tentacles of the Necurs Botnet

This post was written by Jaeson Schultz. Introduction Over the past five years the Necurs botnet has established itself as the largest purveyor of spam worldwide. Necurs is responsible for emailing massive amounts of banking malware, ransomware, dating spam, pump-n-dump stock scams, work from hom...

Microsoft Office Vulnerabilities Used to Distribute Zyklon Malware in Recent Campaign

Introduction FireEye researchers recently observed threat actors leveraging relatively new vulnerabilities in Microsoft Office to spread Zyklon HTTP malware. Zyklon has been observed in the wild since early 2016 and provides myriad sophisticated capabilities. Zyklon is a publicly available,...

Microsoft Office Vulnerabilities Used to Distribute Zyklon Malware in Recent Campaign

Introduction FireEye researchers recently observed threat actors leveraging relatively new vulnerabilities in Microsoft Office to spread Zyklon HTTP malware. Zyklon has been observed in the wild since early 2016 and provides myriad sophisticated capabilities. Zyklon is a publicly available,...

Hackers Exploiting Three Microsoft Office Flaws to Spread Zyklon Malware

Security researchers have spotted a new malware campaign in the wild that spreads an advanced botnet malware by leveraging at least three recently disclosed vulnerabilities in Microsoft Office. Dubbed Zyklon, the fully-featured malware has resurfaced after almost two years and primarily found...

Has Your O365 Account Been Hacked?

In the past six months, Coalfire has seen an increase in businesses receiving fraudulent emails from legitimate client accounts with fraudulent invoice attachments. In several cases, the recipient paid the invoices not realizing they were fraudulent. The losses have ranged between thousands and...

How to disrupt attacks caused by social engineering

This post is authored by Milad Aslaner, Senior Program Manager, Windows & Devices Group. A decade ago, most cyber-attacks started with a piece of malware or a complex method to directly attack the infrastructure of a company. But this picture has changed and today all it takes is a sophisticated...

A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017

Adopting reliable attack methods and techniques borrowed from more evolved threat types, ransomware attained new levels of reach and damage in 2017. The following trends characterize the ransomware narrative in the past year: Three global outbreaks showed the force of ransomware in making...

A worthy upgrade: Next-gen security on Windows 10 proves resilient against ransomware outbreaks in 2017

Adopting reliable attack methods and techniques borrowed from more evolved threat types, ransomware attained new levels of reach and damage in 2017. The following trends characterize the ransomware narrative in the past year: Three global outbreaks showed the force of ransomware in making...

Web Application Spider: BlackWidow

BlackWidow is a python based web application spider to gather subdomains, URL’s, dynamic parameters, email addresses and phone numbers from a target website. This project also includes Inject-X fuzzer to scan dynamic URL’s for common OWASP vulnerabilities. Features: Automatically collect all URL’...

Threat Outbreak Alert RuleID31697: Email Messages Distributing Malicious Software on December 26, 2017

Medium Alert ID: 56332 First Published: 2018 January 2 12:54 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID31697 may contain the following files: Name |...

Spoofed Emails from Supposedly Corporate Printer Vendors Install Backdoor

By Waqas Corporate printers and scanners related emails are quite common in This is a post from HackRead.com Read the original post: Spoofed Emails from Supposedly Corporate Printer Vendors Install Backdoor...

CVE-2017-13860

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. The issue involves the "Mail Drafts" component. It allows man-in-the-middle attackers to read e-mail content by leveraging mishandling of S/MIME credential encryption...

Facebook phishers want you to “Connect with Facebook”

As we edge toward Christmas, scammers are throwing their own party—in the form of Facebook phishing pages linked to and from bogus landing pages hosted on sitesdotgoogledotcom URLs. These landing pages, adorned with very large and very fake "Login with Facebook" buttons, may be extra convincing t...

Romanian Police Arrest 5 People for Spreading CTB Locker and Cerber Ransomware

Romanian police have arrested five individuals suspected of infecting tens of thousands of computers across Europe and the United States in recent years by spreading two infamous ransomware families—Cerber and CTB Locker. Under Operation Bakovia—a major global police operation conducted by Europo...

Coremail's Android version suffers from an override access vulnerability.

Coremail Lobbyist Email System for Android is a mobile email app. There is an over-authorized access vulnerability in the "Personal Details" page of Coremail Lonker Mailbox System for Android. It allows attackers to utilize the vulnerability to modify the list field to query the name, cell phone...

Threat Outbreak Alert RuleID31629: Email Messages Distributing Malicious Software on December 18, 2017

Medium Alert ID: 56289 First Published: 2017 December 18 18:31 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID31629 may contain the following files: Name |...

Microsoft Office Information Disclosure Vulnerability (CNVD-2018-00739)

Microsoft Office is an office software suite of products developed by the American Microsoft Corporation Microsoft. An information disclosure vulnerability exists in Microsoft Office that originates from the program failing to properly enforce copy/paste permissions on DRM-protected emails. An...

Threat Outbreak Alert RuleID31571: Email Messages Distributing Malicious Software on December 8, 2017

Medium Alert ID: 56201 First Published: 2017 December 8 15:39 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID31571 may contain the following files: Name |...

Apple macOS High Sierra and iOS Mail Drafts Credential Encryption Vulnerability

Apple macOS High Sierra and iOS are both products of Apple Inc. Apple macOS High Sierra is a dedicated operating system for Mac computers. iOS is an operating system for mobile devices. Mail Drafts is one of the email drafts components. A security vulnerability exists in the Mail Drafts component...