Scans for EncystPHP Webshell, (Mon, Apr 13th)

2026-04-13T19:23:53Z49a7c4c3529e4978d9c98b116a73fe7c83816d28de2bc9f28ec29c20718f0c07
2026-04CISA-KEVCiscoEncystPHPFortinetFreePBXISC-SANSTeamPCPTrivyUNC6780fingerprintinghoneypotmalware-hash:SHA256:a8ba9ba93b4509a86e3d7dd40fd0652c2743e3227776obfuscated-javascriptphishingscanningsource-code-exposuresupply-chainwebshell

What happened

SANS ISC observed active scans for the EncystPHP webshell—commonly used against vulnerable FreePBX systems—with attackers increasingly deploying webshells that use harder-to-guess credentials. The feed also highlights a TeamPCP supply-chain campaign update reporting Cisco source code stolen via a Trivy-linked breach (Google GTIG tracks TeamPCP as UNC6780) and notes the CISA KEV deadline passed without a standalone advisory. Additional observations include phishing-delivered obfuscated JavaScript (cbmjlzan.JS, SHA256:a8ba9ba93b4509a86e3d7dd40fd0652c2743e32277760c5f7942b788b74c5285) and ongoing:

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
sans_isc_diary
Record identifier
49a7c4c3529e4978d9c98b116a73fe7c83816d28de2bc9f28ec29c20718f0c07
Enrichment time
2026-04-13T19:23:53Z
AI-assisted enrichment
Yes

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