Researchers discovered threat actors installing a Linux backdoor on compromised e-commerce servers after deploying a credit card skimmer into e-stores. Security researchers from Sansec Threat Research Team discovered a Linux backdoor during an investigation into the compromised of an e-commerce server with a software skimmer. The attackers initially conducted a reconnaissance phase by probing the […]
Threat actors have launched a phishing campaign targeting more than 125 TikTok ‘Influencer’ accounts in an attempt to hijack them. Researchers from Abnormal Security uncovered a phishing scam aimed at hijacking at least 125 TikTok ‘Influencer’ accounts. The original phishing email used a TikTok copyright violation notice lure, the messages instructed the victims responding to […]
Researchers detailed the multi-millionaire market of zero-day exploits, a parallel economy that is fueling the threat landscape. Zero-day exploits are essential weapons in the arsenal of nation-state actors and cybercrime groups. The increased demand for exploits is fueling a millionaire market where these malicious codes are incredibly expensive. Researchers from Digital Shadows published an interesting […]
Security researchers from Cleafy discovered a new Android banking trojan, named SharkBot, that is targeting banks in Europe. At the end of October, researchers from cyber security firms Cleafy and ThreatFabric have discovered a new Android banking trojan named SharkBot. The name comes after one of the domains used for its command and control servers. […]
The Emotet botnet is still active, ten months after an international operation coordinated by Europol shut down its infrastructure. Early this year, law enforcement and judicial authorities worldwide conducted a joint operation, named Operation Ladybird, which disrupted the EMOTET botnet. At the time the investigators have taken control of its infrastructure in an international coordinated action. […]
Experts warn of a surge in infections of the QBot (aka Quakbot) banking trojan which seems to be associated with the rise of Squirrelwaffle. Researchers warn of a new wave of QBot (aka Qakbot) banking trojan infections that appears to be associated with the rise of Squirrelwaffle. “Toward the end of September 2021, we noted […]
Threat actors hacked email servers of the FBI to distribute spam email impersonating FBI warnings of fake cyberattacks. The email servers of the FBI were hacked to distribute spam email impersonating the Department of Homeland Security (DHS) warnings of fake sophisticated chain attacks from an advanced threat actor. The message tells the recipients that their […]
The US Federal Trade Commission (FTC) has shared guidance for small businesses on how to increase resilience to ransomware attacks. The US Federal Trade Commission (FTC) published guidance for small businesses on how to protect their networks from ransomware attacks. The FTC suggests two steps small businesses can take to bolster their resilience against ransomware […]
The Threat Report Portugal: Q3 2021 compiles data collected on the malicious campaigns that occurred from July to September, Q3, of 2021. The Portuguese Abuse Open Feed 0xSI_f33d is an open sharing database with the ability to collect indicators from multiple sources, developed and maintained by Segurança-Informática. This feed is based on automatic searches and is also supported by a […]
Threat actors are distributing the GravityRAT remote access trojan masqueraded as an end-to-end encrypted chat application named SoSafe Chat. Threat actors are distributing the GravityRAT RAT masqueraded as an end-to-end encrypted chat application named SoSafe Chat. GravityRAT was first spotted by Cisco Talos researchers in 2017 who speculate it remained under the radar for at least a […]