Stac4713

ransomware 2026-04-18
Payouts King Runs Hidden QEMU VMs to Bypass EDR — STAC4713 and CitrixBleed 2 Campaigns
Sophos tracks two Payouts King campaigns running Alpine Linux inside QEMU on Windows hosts to tunnel reverse SSH and evade endpoint security. STAC3725 chains in CitrixBleed 2 (CVE-2025-5777) against NetScaler.
ransomware payouts-king qemu gold-encounter citrixbleed stac4713 stac3725 netscaler edr-evasion black-basta

Payouts King Runs Hidden QEMU VMs to Bypass EDR — STAC4713 and CitrixBleed 2 Campaigns