Trojan.Generic is a ransomware requiring ransom payment from victims. Malware encrypts files and prevents normal computer access. Victims are instructed to pay to decrypt files or restore system
Cloud services enable monitoring C2 servers without attacker restrictions. JPCERT/CC monitors lucky visitor scam C2 servers using AWS Lambda. System collects and denylists redirect URLs to block scam sites
DGA generates large lists of domain names for malware. Cybercriminals use DGAs to evade security countermeasures. Malware can generate hundreds of random domains for attacks
Payload refers to the carrying capacity of packets or transmission data units. Data payload carries transmitted data across networks. Malware payload refers to malicious code that causes harm
Melissa virus spread via email in 1999, affecting 300 organizations, costing $80M. ILOVEYOU infected 45M computers in 10 days, causing $10B damage. Code Red worm attacked 350,000 servers in 2001, costing $2.75B. Klez worm infected 7M computers, becoming polymorphic
Windows SmartScreen is a built-in security feature preventing unrecognized apps. SmartScreen runs in background to protect against malicious programs. Warning appears when running unrecognized apps in Windows 10. Users can bypass SmartScreen by clicking "Run anyway". SmartScreen can be disabled via Windows Settings, Registry Editor, or Group Policy