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Webshells Remain Popular, (Mon, Jun 22nd)

ID: e7155292-b38f-57b6-bcac-72dbfdeb9c30

STIX ID: report--e7155292-b38f-57b6-bcac-72dbfdeb9c30

Feed Name: SANS ISC Diary

Threat Score
30/100

Date Published: 2026-06-22

Date Updated: 2026-06-22

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A short analysis of ZypeerShell, a PHP webshell hosted on GitHub that advertises itself as powerful and undetectable; the author documents typical webshell capabilities, an unused GSocket C2 deployment function, and an obfuscated repository variant, but does not present evidence of active exploitation or a broader campaign.

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