New TeamTNT Cryptojacking Campaign Targets CentOS Servers with Rootkit

The cryptojacking operation known as TeamTNT has likely resurfaced as part of a new campaign targeting Virtual Private Server VPS infrastructures based on the CentOS operating system. "The initial access was accomplished via a Secure Shell SSH brute force attack on the victim's assets, during whi...

FritzFrog Returns with Log4Shell and PwnKit, Spreading Malware Inside Your Network

The threat actor behind a peer-to-peer P2P botnet known as FritzFrog has made a return with a new variant that leverages the Log4Shell vulnerability to propagate internally within an already compromised network. "The vulnerability is exploited in a brute-force manner that attempts to target as ma...

Attacks, Vulnerabilities and Actors 19 June to 25 June 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries related to cybersecurity threats. Over the past week, the fact that there were a total of twelve attacks executed, taking advantage of seventeen different vulnerabilities ...

From Cryptojacking to DDoS Attacks: Diicot Expands Tactics with Cayosin Botnet

Cybersecurity researchers have discovered previously undocumented payloads associated with a Romanian threat actor named Diicot, revealing its potential for launching distributed denial-of-service DDoS attacks. "The Diicot name is significant, as it's also the name of the Romanian organized crime...

Exploit for Out-of-bounds Write in Linux Linux_Kernel

Project Name CVE-2021-22555 attack script Description Th...

SUSE CVE-2005-2872

The iptrecent kernel module iptrecent.c in Linux kernel before 2.6.12, when running on 64-bit processors such as AMD64, allows remote attackers to cause a denial of service kernel panic via certain attacks such as SSH brute force, which leads to memset calls using a length based on the uint32t...

Microsoft Warns of Cryptomining Malware Campaign Targeting Linux Servers

A cloud threat actor group tracked as 8220 has updated its malware toolset to breach Linux servers with the goal of installing crypto miners as part of a long-running campaign. "The updates include the deployment of new versions of a crypto miner and an IRC bot," Microsoft Security Intelligence...

spirit

Spirit - Network Pentest Tools We believe in making the inte...

Microsoft Warns Rise in XorDdos Malware Targeting Linux Devices

A Linux botnet malware known as XorDdos has witnessed a 254% surge in activity over the last six months, according to latest research from Microsoft. The trojan, so named for carrying out denial-of-service attacks on Linux systems and its use of XOR-based encryption for communications with its...

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based...

Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices

In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based...

Mageia: Security Advisory (MGASA-2014-0080)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux-Focused Cryptojacking Gang Tracked to Romania

A cryptojacking gang that’s likely based in Romania is using a never-before-seen SSH brute-forcer dubbed “Diicot brute” to crack passwords on Linux-based machines with weak passwords. The point of the campaign is mainly to deploy Monero mining malware, Bitdefender researchers said in a report...

SSH Brute Force Login Attempt

A remote attacker can exploit this vulnerability by using brute force login attempt. Successful exploitation would allow an attacker to gain unauthorized access to the server...

ALPINE-CVE-2017-18594

nselibssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse...

Prowli Malware Targeting Servers, Routers, and IoT Devices

After the discovery of massive VPNFilter malware botnet, security researchers have now uncovered another giant botnet that has already compromised more than 40,000 servers, modems and internet-connected devices belonging to a wide number of organizations across the world. Dubbed Operation Prowli,...

Forgot About Default Accounts? No Worries, GoScanSSH Didn’t

This blog post was authored by Edmund Brumaghin, Andrew Williams, and Alain Zidouemba. Executive Summary During a recent Incident Response IR engagement, Talos identified a new malware family that was being used to compromise SSH servers exposed to the internet. This malware, which we have named...

SOL17113 - OpenSSH vulnerability CVE-2015-5600

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

Group Behind SSH Brute Force Attacks Slowed Down

A criminal group whose actions have at times been responsible for one-third of the Internet’s SSH traffic—most of it in the form of SSH brute force attacks—has been cut off from a portion of the Internet. While not a botnet takedown in the traditional sense, networking providers Level 3...

Project Artillery - Full Suite for Protection against Attack on Linux and Windows

Project Artillery is an open source project aimed at the detection of early warning indicators and attacks. The concept is that Artillery will spawn multiple ports on a system giving the attacker the idea that multiple ports are exposed. Additionally, Artillery actively monitors the filesystem fo...