Six Malicious Linux Shell Scripts Used to Evade Defenses and How to Stop Them

Siddartha Sharma and Adhokshaj Mishra Evasive techniques used by attackers, date back to the earlier days, when base64 and other common encoding schemes were used. Today, attackers are adopting new Linux shell script tactics and techniques to disable firewalls, monitoring agents and modifying...

Hackers Mount Zero-Day Attacks on Sophos Firewalls

Attackers have been targeting the Sophos XG Firewall both physical and virtual versions using a zero-day exploit, according to the security firm – with the ultimate goal of dropping the Asnarok malware on vulnerable appliances. Sophos said in a posting updated on Monday that the bug in question i...