Data Exfiltration over DNS Request Covert Channel: DNSExfiltrator

DNSExfiltrator allows for transfering exfiltrate a file over a DNS request covert channel. This is basically a data leak testing tool allowing to exfiltrate data over a covert channel. DNSExfiltrator has two sides: 1. The server side , coming as a single python script dnsexfiltrator.py , which ac...

EmbedInHTML - Embed and hide any file in an HTML file

What this tool does is taking a file any type of file, encrypt it, and embed it into an HTML file as ressource, along with an automatic download routine simulating a user clicking on the embedded ressource. Then, when the user browses the HTML file, the embedded file is decrypted on the fly, save...

Design/Logic Flaw

In the "NQ Contacts Backup & Restore" application 1.1 for Android, RC4 encryption is used to secure the user password locally stored in shared preferences. Because there is a static RC4 key, an attacker can gain access to user credentials more easily by leveraging access to the preferences XML fi...

CVE-2017-15997

In the "NQ Contacts Backup & Restore" application 1.1 for Android, RC4 encryption is used to secure the user password locally stored in shared preferences. Because there is a static RC4 key, an attacker can gain access to user credentials more easily by leveraging access to the preferences XML fi...

CVE-2017-15997

In the "NQ Contacts Backup & Restore" application 1.1 for Android, RC4 encryption is used to secure the user password locally stored in shared preferences. Because there is a static RC4 key, an attacker can gain access to user credentials more easily by leveraging access to the preferences XML fi...

Magniber Ransomware Wants to Infect Only the Right People

Introduction Exploit kit EK use has been on the decline since late 2016; however, certain activity remains consistent. The Magnitude Exploit Kit is one such example that continues to affect users, particularly in the APAC region. In Figure 1, which is based on FireEye Dynamic threat Intelligence...

Demiguise - HTA Encryption Tool for RedTeams

What does it do? The aim of this project is to generate .html files that contain an encrypted HTA file. The idea is that when your target visits the page, the key is fetched and the HTA is decrypted dynamically within the browser and pushed directly to the user. This is an evasion technique to ge...

The Kerberos Protocol vulnerability: cause a system completely controlled-vulnerability warning-the black bar safety net

Recently, a security expert in the Windows of the Kerberos authentication system found a“very destructive”vulnerability. Last year had exposed the system in a similar vulnerability, the attacker controls the entire network, including the installation of the program, and delete data. The Kerberos...

October 2015 Microsoft Patch Tuesday Security Bulletins

Microsoft’s monthly release of security bulletins today is a relatively light load of patches to be tested and deployed. The real news, however, could be in a separate advisory in which it continues to deprecate the outdated RC4 encryption algorithm. Following its initial advisory in May that...

Google Chrome 45 Security Patches, Bug Bounty Awards

Tuesday turned out to be a busy day for browser makers. The three major vendors in the space—Google; Mozilla; and Microsoft—joined arms and announced their intent to stop support for the weakened RC4 encryption algorithm starting early next year. Google, having already announced it would pause...

Google, Mozilla End RC4 Support

Google, Microsoft and Mozilla today announced they’ve settled on a timeframe to permanently deprecate the shaky RC4 encryption algorithm. Attacks against RC4 are growing increasingly practical, rendering the algorithm more untrustworthy by the day. The browser makers plan to sever support for RC4...

Scientific Linux Security Update : java-1.6.0-openjdk on SL5.x, SL6.x, SL7.x i386/x86_64 (20150730) (Bar Mitzvah) (Logjam)

Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions. CVE-2015-4760, CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733 A flaw was fou...

java security update

CentOS Errata and Security Advisory CESA-2015:1526 Updated java-1.6.0-openjdk packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5, 6, and 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring...

Important: Red Hat Security Advisory: java-1.6.0-openjdk security update

Updated java-1.6.0-openjdk packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5, 6, and 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

Updated java-1.8.0-openjdk package fixes security vulnerabilities

Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions CVE-2015-4760, CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733. A flaw was fou...

MGASA-2015-0280 Updated java-1.8.0-openjdk package fixes security vulnerabilities

Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions CVE-2015-4760, CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733. A flaw was fou...

MGASA-2015-0277 Updated java-1.7.0-openjdk package fixes security vulnerabilities

Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions CVE-2015-4760, CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733. A flaw was fou...

CentOS 5 : java-1.7.0-openjdk (CESA-2015:1230) (Bar Mitzvah) (Logjam)

Updated java-1.7.0-openjdk packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, a...

Scientific Linux Security Update : java-1.7.0-openjdk on SL6.x, SL7.x i386/x86_64 (20150715) (Bar Mitzvah) (Logjam)

Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass Java sandbox restrictions. CVE-2015-4760, CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733 A flaw was fou...

Scientific Linux Security Update : java-1.7.0-openjdk on SL5.x i386/x86_64 (20150715) (Bar Mitzvah) (Logjam)

Multiple flaws were discovered in the 2D, CORBA, JMX, Libraries and RMI components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass certain Java sandbox restrictions. CVE-2015-4760, CVE-2015-2628, CVE-2015-4731, CVE-2015-2590, CVE-2015-4732, CVE-2015-4733 A flaw...