botnet

Pierluigi Paganini March 15, 2018
The RottenSys botnet is already composed of nearly 5 million Android devices

RottenSys – A Chinese crime ring is building a huge botnet that is already composed of nearly 5 million Android device. Researchers at Check Point discovered attackers infecting the device with a strain of malware dubbed RottenSys that aggressively display ads on victims’ devices. “The Check Point Mobile Security Team has discovered a new widespread malware family […]

Pierluigi Paganini February 23, 2018
Chaos backdoor, a malicious code that returns from the past targets Linux servers

Security experts from GoSecure, hackers are launching SSH brute-force attacks on poorly secured Linux servers to deploy a backdoor dubbed Chaos backdoor. “This post describes a backdoor that spawns a fully encrypted and integrity checked reverse shell that was found in our SSH honeypot,” states the report published by GoSecure. “We named the backdoor ‘Chaos’, following the name […]

Pierluigi Paganini February 23, 2018
OMG botnet, the first Mirai variant that sets up proxy servers on vulnerable devices

Researchers at Fortinet have discovered the OMG botnet, the first Mirai variant that sets up proxy servers on the compromised IoT devices. A new variant of the infamous Mirai botnet appeared in the threat landscape, it was discovered by researchers at Fortinet that referred it as OMG because of strings containing “OOMGA” in the configuration table. […]

Pierluigi Paganini February 14, 2018
DoubleDoor, a new IoT Botnet bypasses firewall using two backdoor exploits

Security researchers spotted a new IoT botnet dubbed DoubleDoor that is able to bypass firewall as well as modem security using two backdoor exploits. IoT devices continue to be a privileged target of cyber criminals, cyber attackers against so-called smart objects has seen a rapid evolution. Security researchers at NewSky Security (NewSky Security) have detected a new IoT botnet […]

Pierluigi Paganini February 13, 2018
Necurs botnet is behind seasonal campaigns of Valentine’s Day-themed spam

Necurs botnet made headline again, the experts at IBM X-Force research team observed a spike in seasonal campaigns of Valentine’s Day-themed spam emails. Necurs botnet made headline again, the experts at IBM X-Force research team observed a spike in the activity of the infamous botnet. Necurs was not active for a long period at the beginning of 2017 and resumed it activity in April 2017. The Necurs botnet was used […]

Pierluigi Paganini February 01, 2018
Mining Smominru botnet used NSA exploit to infect more than 526,000 systems

Researchers from Proofpoint discovered a huge botnet dubbed ‘Smominru’ that is using the EternalBlue exploit to infect Windows computers and recruit them in Monero cryptocurrency mining activities. The number of cyber attacks against the cryptocurrency sector continues, vxers are focusing their efforts on the development of cryptocurrency/miner malware. Recently security experts observed cryptocurrency miners leveraging the NSA EternalBlue SMB exploit […]

Pierluigi Paganini January 20, 2018
Italian companies and Ministry of the Interior under attack, experts spotted a huge botnet

Threat actors with a deep knowledge of the Fiscal Italian ecosystem are using a huge botnet to target Italian companies and Ministry of the Interior. On Januaty 18 a colleague of mine (Luca) called me telling a malicious email was targeting Italian companies. This is the beginning of our new analysis adventure that Luca and […]

Pierluigi Paganini January 02, 2018
Necurs botnet involved in massive ransomware campaigns at the end of 2017

The Necurs botnet made the headlines at year-end sending out tens of millions of spam emails daily as part of massive ransomware campaigns. Necurs was not active for a long period at the beginning of 2017 and resumed it activity in April. The Necurs botnet was used in the past months to push many other malware, including Locky, Jaff, GlobeImposter, Dridex , […]

Pierluigi Paganini December 29, 2017
Huawei router exploit (CVE-2017-17215) involved in Satori and Brickerbot was leaked online

The exploit code used to trigger the CVE-2017-17215 vulnerability in Huawei routers over the past several weeks is now publicly available. Before Christmas, the Mirai botnet made the headlines once again, a new variant dubbed Satori was responsible for hundreds of thousands of attempts to exploit a recently discovered vulnerability in Huawei HG532 home routers. The activity of the Satori […]

Pierluigi Paganini December 23, 2017
Satori is the latest Mirai botnet variant that is targeting Huawei HG532 home routers

Satori botnet, Mirai variant, is responsible for hundreds of thousands of attempts to exploit a recently discovered vulnerability in Huawei HG532 home routers. The Mirai botnet makes the headlines once again, a new variant dubbed Satori is responsible for hundreds of thousands of attempts to exploit a recently discovered vulnerability in Huawei HG532 home routers. The activity […]