New worm for Linux

This morning a new worm for Linux appeared on the Internet. This is the second worm in the last couple of months. (The one before this one, Lupper, appeared on 7th November 2005). This shows how relatively rare Linux worms are in comparison to Windows worms.

We’ve called the new worm Net-Worm.Linux.Mare.a, and it uses php include to propagate. A modification of Backdoor.Linux.Tsunami spreads together with the worm.

Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.

Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.

Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.

Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.