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Microsoft Releases Emergency Patch to Fix RDS Snafu
Microsoft's out-of-band KB5129195 fixes September Patch Tuesday regressions breaking RDS connections, Hyper-V shared folders, and USB audio.
Microsoft released cumulative out-of-band update KB5129195 on September 14, 2026, fixing RDS instability causing failing RDP connections, sign-in issues, and hanging servers. The patch also resolves Hyper-V Plan9 shared-folder failures affecting WSL and Claude Cowork, plus USB Audio Class 1.0 device failures. This is Microsoft's sixth emergency patch after a September Patch Tuesday that fixed a record 974 CVEs.
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Eleethub: A Cryptocurrency Mining Botnet with Rootkit for Self
Unit 42 uncovered Eleethub, a Perl-based Bitcoin mining botnet using a crafted rootkit and libprocesshider to evade detection, still under development with few infections.
Unit 42 discovered an under-development Perl Shellbot campaign that mines Bitcoin using xmrig and emech while evading detection via a rootkit that replaces the ps tool and the LD_PRELOAD-based libprocesshider.so library. Infected devices download a malicious shell script, connect to IRC-based C2 at eleethub.com and the UnderNet network, and can receive commands for UDP/TCP floods, port scans, and HTTP attacks. The botnet can affect Unix systems and Windows 10 hosts running a Linux subsystem, and its operators use the 'Los Zetas' branding, though they are unlikely to be the Mexican drug cartel. Researchers found only a few compromised 'zombies' before the campaign expanded.
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