Tag: web shell
3 articles

Spirals Ransomware Encrypts Network in Record Time
In a lightning-fast attack, the newly identified Spirals ransomware gang compromised a network and encrypted its entire system in under 24 hours, showcasing an alarming level of speed and sophistication. The attack began with a simple vulnerability - an exposed IIS server - which allowed hackers to upload a web shell and rapidly escalate their privileges.

CISA Flags Exploited PTC Windchill Flaw Amid Web Shell Attacks
PTC has confirmed that attackers are exploiting a high-severity flaw, CVE-2026-12569, in its Windchill software to drop malicious web shells on vulnerable systems, allowing them to execute arbitrary code remotely. The company has reported heightened threat activity, urging users to take immediate action to protect themselves.

Hackers Exploit KnowledgeDeliver Flaw to Install Web Shells
Hackers have exploited a critical flaw in KnowledgeDeliver, using it as a zero-day to sneakily install a powerful .NET web shell called Godzilla on vulnerable servers. This sneaky attack was made possible by a deserialization vulnerability, CVE-2026-5426, that allowed threat actors to execute code at the operating-system level.