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Security Bulletins
Latest Malware Updates

Infostealer.Posteal

02/26/2015

Downloader.Busadom

02/26/2015

Trojan.Ladocosm

02/26/2015

SONAR.SuspDocRun

02/25/2015

SONAR.SuspHelpRun

02/25/2015

Zeusbot has leveraged P2P communication

Zeusbot has leveraged P2P communication

According to Symantec advisory Zeus botnet has leveraged P2P communication system. This new variant of transmitting data is used to keep the botnet alive and gathering information only.

Since the last update each peer can act as a C&C server, while none of them really are one. Bots now download config files, commands and binaries from other infected systems from each other. Symantec experts do not know yet how stolen data is sent back to the crooks. It is possible that the information is rooted through the peers until it reaches a drop zone controlled by the attackers.

“Having to rely on a C&C server is a limitation. It means that it can be taken offline, and that the botnet herders can be tracked. This was still a flaw in the initial P2P version of the botЧby simply black boxing the bot executable, one could observe the C&C server being contacted. It seems that the botnet herders have addressed this issueЧthe control messages that were going to the C&C server are now going to the P2P botnet itself. Of course the peers are other compromised computers, so they cannot be taken offline. Nor they can be related (in most cases) to the guys behind the botnet”.

The control massages that in previous Zeusbot modification were handled by the C&C are now handled by peers in the botnet. The massages are sent and received through HTTP which is why the bots were enforced with nGinx, an open source minimal Web server. Therefore each bot in the network is a minimal Web-server, capable of handling HTTP requests and performing C&C functionalities.

Symantec advisory about the Zeus botnet P2P update can be viewed here.

(c) Naked Security


Security Advisories Database

Remote Code Execution Vulnerability in Microsoft OpenType Font Driver

A remote attacker can execute arbitrary code on the target system.

07/21/2015

SQL Injection Vulnerability in Piwigo

SQL inection vulnerability has been discovered in Piwigo.

02/05/2015

Cross-site Scripting Vulnerability in DotNetNuke

A cross-site scripting (XSS) vulnerability has been discovered in DotNetNuke.

02/05/2015

Cross-site Scripting Vulnerability in Hitachi Command Suite

A cross-site scripting vulnerability was found in Hitachi Command Suite.

02/02/2015

Denial of service vulnerability in FreeBSD SCTP RE_CONFIG Chunk Handling

An attacker can perform a denial of service attack.

01/30/2015

Denial of service vulnerability in Apache Traffic Server HTTP TRACE Max-Forwards

An attacker can perform a denial of service attack.

01/30/2015

Denial of service vulnerability in MalwareBytes Anti-Exploit "mbae.sys"

An attacker can perform a denial of service attack.

01/30/2015

Denial of service vulnerability in Linux Kernel splice

An attacker can perform a denial of service attack.

01/29/2015

Denial of service vulnerability in Python Pillow Module PNG Text Chunks Decompression

An attacker can perform a denial of service attack.

01/20/2015