Hancitor Downloader Abusing APIs, PowerShell Commands

Developers behind the malicious downloader Hancitor have bolstered the malware again, this time with new delivery approaches that make it more difficult to detect. The downloader is still spread through malicious attachments, and distributing malware designed to steal data, such as Pony and...

Hancitor (AKA Chanitor) observed using multiple attack approaches

Many threat actors use multiple attack vectors to ensure success. The individuals using Hancitor malware also known by the name Chanitor are no exception and have taken three approaches to deliver the malware in order to ultimately steal data from their victims. These techniques include uncommon...

Suspicious Metadata Mail Phishing Containing Attachment

Mail attachment containing a malicious downloader was observed as part of ransomware campaigns. A remote attacker could send spam e-mails including those downloaders and convince users to manually enable them. This would allow the malicious code to run and infect the target system...

Suspicious Microsoft Publisher Mail Attachment

Microsoft Office Publisher files might contain a malicious downloader. A remote attacker could send spam e-mails including those downloaders, and use social engineering in order to convince users to manually enable them. This would allow the malicious code to run and infect the target system...

Microsoft Office Information Disclosure Vulnerability

An information disclosure vulnerability exists when Microsoft Outlook fails to enforce copy/paste permissions on DRM-protected emails. An attacker who successfully exploited the vulnerability could potentially extract plaintext content from DRM-protected draft emails. The attacker would have to u...

Microsoft Word Document Malicious Known Downloaders

Microsoft Office files might contain malicious downloaders. A remote attacker could send spam e-mails including such downloaders, and use social engineering in order to convince users to manually enable them. This would allow the malicious code to run and infect the target system...

Threat Outbreak Alert RuleID24881: Email Messages Distributing Malicious Software on September 7, 2016

Medium Alert ID: 48799 First Published: 2016 September 7 13:34 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 RuleID24881 may contain the following files: Name |...

Threat Outbreak Alert RuleID24619: Email Messages Distributing Malicious Software on August 25, 2016

Medium Alert ID: 48606 First Published: 2016 August 25 18:17 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 RuleID24619 may contain the following files: Name |...

Paragon Initiative Enterprises: Email Spoofing With Your Website's Email

Hey Parogine, I have found Email Spoofing type of Vulnerability in your Website, E-Mail Spoofing Now the Question is, What is E-mail Spoofing: Email spoofing is the creation of email messages with a forged sender address. Because the core email protocols do not have any mechanism for...

Dutch, Belgian Ransomware Wildfire Disrupted, Decryption Keys Posted

The No More Ransom initiative released decryption keys for yet another strain of ransomware this week; now victims of the mostly Dutch-leaning ransomware called WildFire can get their files back without paying attackers. According to an update from the Dutch National Police on Wednesday, when it...

Ian Dunn: Send emails to all users using Camptix

Ian, This is my first stab at submitting a bug, and I'm not even sure it is one. Here's what I found. If an admin of a site using Camptix who is logged into the admin screen visits a malicious site which has access to a valid wpnonce value could send a large volume of spam to all ticket holders...

Cybozu Mailwise contains issue in preventing clickjacking attacks

Overview Cybozu Mailwise contains multiple pages for editing/sending bulk emails. Some of these pages fail to protect against clickjacking attacks. Cybozu, Inc. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Cybozu, Inc. coordinated under the...

JVN#04125292: Cybozu Mailwise contains issue in preventing clickjacking attacks

Cybozu Mailwise contains multiple pages for editing/sending bulk emails. Some of these pages fail to protect against clickjacking attacks. Impact If a user views a malicious page while logged in, the user may be tricked into conducting unintended operations. Solution Update the Software Update to...

Instacart: Hyperlink Injection in Friend Invitation Emails

Description A user can change their name to a URL in order to send email invitations containing malicious hyperlinks. Steps to Reproduce 1. Create a new Instacart account with the first name http://example.com 2. Navigate to https://www.instacart.com/store/referrals 3. Send an email invitation to...

Threat Outbreak Alert RuleID24199: Email Messages Distributing Malicious Software on August 11, 2016

Medium Alert ID: 48436 First Published: 2016 August 11 12:48 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 RuleID24199 may contain the following files: Name |...

Uber: Reading Emails in Uber Subdomains

Possibility to read emails from various Uber subdomains. None of the domains exposed were actively being used for Uber email communication to employees or users. Possibility of reading emails sent to certain Uber domains. Link to blog:...

X (Formerly Twitter): Stealing User emails by clickjacking cards.twitter.com/xxx/xxx

Hello In twitter you can create cards to generate leads. For example: https://twitter.com/i/cards/tfw/v1/759046372544741376?cardname=promotion&autoplaydisabled=true&earned=true&lang=en&cardheight=357 If you visit the above URL and click the button your email and username is sent to my domain. Sin...

Hillary Leaks Series: Wikileaks releases 20,000 DNC Emails

Today, whistleblowing website Wikileaks has finally published more than 19,000 e-mails, which contains more than 8,000 attachments from the US Democratic National Committee DNC. The new trove of documents apparently pilfered from the DMC released after Wikileaks yesterday announced via its offici...

Threat Outbreak Alert RuleID23830: Email Messages Distributing Malicious Software on July 15, 2016

Medium Alert ID: 47090 First Published: 2016 July 16 01:22 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 RuleID23830 may contain the following files: Name | Siz...

Locky Variant Zepto Debuts with Big Spam Push

Ransomware called Zepto is raising concerns with security experts because of its close ties to the more mature and prolific Locky ransomware. Zepto was spotted about a month ago but a recent wave of spam containing Zepto-laced attachments detected on June 27 is heightening fears of widespread...