Unverified50% confidenceFactExact time
Stuxnet targeted OB program blocks running in Siemens S7-315 and S7-417 PLCs, intercepting communication between Step 7 and the PLCs to inject malicious STL code while hijacking data readbacks to return preset normal values.
1
Sources
50%
Confidence
Long-term
Relevance
9/9/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedStuxnet exploited four Windows zero-day vulnerabilities simultaneously, including the LNK shortcut vulnerability (CVE-2010-2568) and a printer spooler vulnerability.68% similarUnverifiedStuxnet contained a built-in infection counter that limited propagation to a maximum of three hops to control its spread.67% similarUnverifiedAn open-source project called the Stuxnet source code reconstruction attracted attention on Hacker News, attempting to restore the core code logic of Stuxnet through reverse engineering and publicly available research materials.65% similarUnverifiedStuxnet breached the defenses of air-gapped networks via removable media such as USB drives, with estimated global infections exceeding 100,000 computers.65% similar
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