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Cryptocurrency, Security News

New cryptominer botnet spreads payload, less intrusive

A new cryptocurrency-mining botnet attack called Prometei bypasses detection systems and monetizes its campaigns in less intrusive ways. It is the first time that anyone’s documented a multi-modular botnet, according to Talos, which discovered the botnet and dubbed it “Prometei.” The botnet, which has been active since March, spreads a payload to provide financial benefits…
APTs/cyberespionage, Government/Defense, Malware, Security News

Geopolitical targets figuring in latest StrongPity attacks

StrongPity, aka Promethium, a potentially state-sponsored APT group active since 2012, isn’t letting exposed campaigns in recent years stop it from trying to install malware around the world, particularly in warzones such as Syria. Two separate reports this week from Cisco Talos and Bitdefender suggest the attackers are getting more aggressive in their geo-targeted malicious…
Malware, Security News

Malicious doc campaign unleashes Cobalt Strike on gov’t, military orgs in South Asia

A military-themed malware campaign targeting military and government organizations in South Asia unleashes “maldocs” that spread full remote-access trojan (RAT) capabilities. The multistage chain attack, which began in 2018, infects endpoints with customized beacons and a modular dropper that Talos calls IndigoDrop, which executes the final payloads, Cisco Talos reported in a blog post. “This…
WhatsApp conversations can be stolen on Android devices
Malware, Messaging Security, Security News

WolfRAT malware targets WhatsApp, Messenger

A new malware called “WolfRAT is targeting messaging apps, such as WhatsApp, Facebook Messenger and Line on Thai Android devices. WolfRAT, according to the Cisco Talos intelligence team, is based on a leak of the previously leaked DenDroid malware family. Talos said in a blog post it highly believes that this modified version of the malware…
Email Security, Security News

Aggah malspam campaign updated with new payloads

An updated Aggah malspam campaign is distributing malicious Microsoft Office documents designed to trigger a multi-stage infection in order to a target a user’s endpoint. The campaign is depositing Agent Tesla, njRAT and Nanocore RAT in a attack that is being run out of several Pastebin accounts, reported Cisco Talos. As with previous Aggah attacks,…
Security in 2015: Biometrics
Mobile Security, Research, Security News

Researchers fool devices’ biometric scanners with replicated fingerprints

Researchers at Cisco Talos said they were able to fool biometrics-based user authentication technology on eight mobile devices by using 3D-printed molds to create replicates of users’ fingerprints. The process Talos researchers developed to fabricate a user’s biometric signature required a painstaking effort, and in real life would require either direct or indirect access to…
Brazilian 'bolware' gang targeted $3.75B in transactions, RSA finds
Coronavirus, Security News

COVID-19 phishing campaigns reel in victims with stimulus fund lures

Email-based phishing schemes continue to trick victims with promises of coronavirus information, cures and vaccines, but now some fraudsters are also sending their targets lures related to the U.S. government-approved stimulus checks promised to most Americans. The latest evidence of this is a new report, authored by Abnormal Security, which details a scheme to impersonate…
WebCast

AV-Test places Cisco Umbrella first in security efficacy

Learn how Cisco Umbrella, backed by Talos, has the horsepower to actively process and enforce more than 7 million unique malicious domains and IPs concurrently at the DNS layer. Plus, see firsthand how you can log and inspect all web traffic for greater transparency, control and protection with our cloud-based secure web gateway functionality. Appliances and hybrid-cloud solutions can’t come close to enforcing that many threats at once.
Network Security, Security News, Vulnerabilities

Microsoft issues out-of-band fix for leaked ‘EternalDarkness’ bug

Due to an apparent error in the Microsoft vulnerability disclosure process, news of an unpatched, critical Microsoft Server Message Block (SMB) vulnerability leaked to the public this past Patch Tuesday. In response to this occurrence, Microsoft today issued an out-of-band security update fixing the flaw. If exploited, the bug could result in a wormable remote…
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