#rootkit Tech News.
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SecurityBleepingComputerabout 1 hour ago
F5 BIG-IP APM rootkit intercepts PHP, injects webshellA Linux rootkit on F5 BIG-IP APM devices intercepts PHP file loading and injects a fileless web shell into memory, avoiding disk writes. Sophos and ESET analyzed the malware, linked to CVE-2025-53521, which F5 reclassified from DoS to critical RCE in March.
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