From owner-freebsd-questions@freebsd.org Thu Sep 2 20:12:12 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id BC0EF665DCE for ; Thu, 2 Sep 2021 20:12:12 +0000 (UTC) (envelope-from tomek@cedro.info) Received: from mail-ot1-x334.google.com (mail-ot1-x334.google.com [IPv6:2607:f8b0:4864:20::334]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H0sXW6TRWz4vHX for ; Thu, 2 Sep 2021 20:12:11 +0000 (UTC) (envelope-from tomek@cedro.info) Received: by mail-ot1-x334.google.com with SMTP id c42-20020a05683034aa00b0051f4b99c40cso4102681otu.0 for ; Thu, 02 Sep 2021 13:12:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cedro.info; s=google; h=mime-version:from:date:message-id:subject:to; bh=SpaLXVc2iL8wWzIN8nSk+eeO4GbHsQTPn39VWVnzkD0=; b=Dn1EYtvaEH4nmnNaxl8XQlctnrOehN4xQP8+XcXpLbXemSL53/1RhdhVTof+/3hMn9 cekTrcSwAqIXotJK0vLZJN3W6Pa3UtrEmHumfMPxFW2yUdLAUqanwecTosKWoFEqoADP fr+mZYIaKuVnovgQ6Iq4Z162/D8TXF44bEeQ5zcpU3ahfRxW4t/U4drn8bMh+23zic/z +gvZrJvueVYwznbLVLwLnS7FIALL6JionKooGEwY9hY7TLh9dZJKmyTCFSVr/OzdreRz shSfFPfyE/SS+kLUyHxuGQzkW/MEgunPF1G/R1VVakbniJ08u4PN82dQlfRkx6XfCoUl slDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=SpaLXVc2iL8wWzIN8nSk+eeO4GbHsQTPn39VWVnzkD0=; b=VrA3leffuPrzDZXv+ZShgP1bAq2CXpLNeN3rvxs1+PQ65XoaehqnUQSYnM/cnxHsIs 5l3XqDJHefy7754RSEfMgd0vwTJrAobg3H2RCKR2REimNaQcmZ7MtE1xtaV1CqSUZJu+ B6p9eHt7aqzT2KnuaG7ql3FNmKTrxp4bBTWiBktwZ1zi89gTpZXs/WoneljxczailWLF eMf4EYxySanOVENdnSMDEbS47RtRq7qfPHPSbkY9uD9ztlXPF1ADNPAWP9zH57SNoIMu x7S2ydQKf3yz/6IvMAPwb6LcMNyEPkDkgrmWuj+DOMc44TJLwDVULdPiLrT8r4LeBDe0 vnXg== X-Gm-Message-State: AOAM530iuBKi52tc14Ifzsr3uW0b+4QVtz4WYaLGY2Zt0pqr3I5sAEtc Kiov9e2ieRQT0ZN2mi1OW/4mHlMDtJlQefL22eUydw== X-Google-Smtp-Source: ABdhPJx/EuVcgRMsA96+LqgLypsDALEkZ7fF3VRLmyRhVvrcq7YiPPkf2atYZ6xWVbEc/ePSqlJoC8gbBQl76PZ+Fus= X-Received: by 2002:a9d:73d5:: with SMTP id m21mr20001otk.358.1630613525502; Thu, 02 Sep 2021 13:12:05 -0700 (PDT) MIME-Version: 1.0 From: Tomasz CEDRO Date: Thu, 2 Sep 2021 22:11:31 +0200 Message-ID: Subject: malware in gpu adress space To: freebsd-desktop@freebsd.org, FreeBSD Questions Mailing List Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4H0sXW6TRWz4vHX X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=cedro.info header.s=google header.b=Dn1EYtva; dmarc=none; spf=none (mx1.freebsd.org: domain of tomek@cedro.info has no SPF policy when checking 2607:f8b0:4864:20::334) smtp.mailfrom=tomek@cedro.info X-Spamd-Result: default: False [-3.30 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[cedro.info:s=google]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; DMARC_NA(0.00)[cedro.info]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[cedro.info:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::334:from]; NEURAL_HAM_SHORT(-1.00)[-1.000]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Sep 2021 20:12:12 -0000 Hello world :-) I have found that article on hiding malware/rootkit in GPU address space using OpenCL 2.0+ and launching it from there as evasion on antivirus software. https://www.bleepingcomputer.com/news/security/cybercriminal-sells-tool-to-hide-malware-in-amd-nvidia-gpus/ Is it bug/feature of Windows GPU drivers? Is it bug/feature of OpenCL? Is it possible on FreeBSD? :-) -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.info