The Muhstik botnet has been observed targeting Redis servers exploiting the recently disclosed CVE-2022-0543 vulnerability. Muhstik is a botnet that is known to use web application exploits to compromise IoT devices, it has been around for at least 2018. Botnet operators monetize their efforts via XMRig combined with DDoS-for-hire services. The botnet leverages IRC servers for command-and-control (C2) communications, […]
Ukraine CERT-UA warns that the Belarus-linked GhostWriter APT group is targeting state entities of Ukraine with Cobalt Strike Beacon. Ukraine CERT-UA uncovered a spear-phishing campaign conducted by Belarus-linked GhostWriter APT group targeting Ukrainian state entities with Cobalt Strike Beacon. The phishing messages use a RAR-archive named “Saboteurs.rar”, which contains RAR-archive “Saboteurs 21.03.rar.” This second archive […]
This post provides a timeline of the events related to the Russian invasion of Ukraine from the cyber security perspective. March 25 – Anonymous leaked 28GB of data stolen from the Central Bank of Russia Anonymous announced that the affiliate group Black Rabbit World has leaked 28 GB of data stolen from the Central Bank […]
A new round of the weekly Security Affairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. If you want to also receive for free the newsletter with the international press subscribe here. FCC adds Kaspersky to Covered List due to unacceptable risks to national security Anonymous […]
Ukraine CERT (CERT-UA) released details about a campaign that SentinelLabs linked with the suspected Chinese threat actor tracked as Scarab. Ukraine CERT (CERT-UA) published technical details about a malicious activity tracked as UAC-0026, which SentinelLabs associated with China-linked Scarab APT. Scarab APT was first spotted in 2015, but experts believe it has been active since […]
Ukraine CERT-UA warns of cyberattack aimed at Ukrainian enterprises using the a wiper dubbed DoubleZero. Ukraine CERT-UA continues to observe malware based attacks aimed at Ukrainian organizations, in a recent alert it warned of attacks employing a wiper dubbed DoubleZero. The government CERT started observing this campaign on March 17, 2022, threat actors launched spear-phishing […]
Internet search engine Censys reported a new wave of DeadBolt ransomware attacks targeting QNAP NAS devices. Internet search engine Censys reported that QNAP devices were targeted in a new wave of DeadBolt ransomware attacks. Since January, DeadBolt ransomware operators are targeting QNAP NAS devices worldwide, its operators claim the availability of a zero-day exploit that […]
A new email campaign aimed at French entities leverages the Chocolatey Windows package manager to deliver the Serpent backdoor. Proofpoint researchers uncovered a targeted attack leveraging an open-source package installer Chocolatey to deliver a backdoor tracked as Serpent. The campaign targeted French entities in the construction, real estate, and government industries. Experts believe the attacks were […]
Ukraine CERT (CERT-UA) warns of spear-phishing ââattacks conducted by UAC-0035 group (aka InvisiMole) on state organizations of Ukraine. The Government Team for Response to Computer Emergencies of Ukraine (CERT-UA) warns of spear-phishing messages conducted by UAC-0035 group (aka InvisiMole) against Ukrainian state bodies. The messages use an archive named “501_25_103.zip”, which contains a shortcut file. Upon opening […]
A Ukrainian security researcher has leaked more source code from the Conti ransomware operation to protest the gang’s position on the conflict. Hacker leaked a new version of the Conti ransomware source code on Twitter as retaliation of the gang’s support to Russia The attack against the Conti ransomware and the data leak is retaliation […]