From: Jan Beulich <jbeulich@suse.com>
To: "Petr Beneš" <w1benny@gmail.com>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Anthony PERARD" <anthony.perard@vates.tech>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v4 3/3] hvmloader: add new SMBIOS tables (7, 8, 9, 26, 27, 28)
Date: Thu, 31 Jul 2025 10:39:25 +0200 [thread overview]
Message-ID: <793ebf39-73be-470e-b775-eaa63144d95c@suse.com> (raw)
In-Reply-To: <d7e7de40369620470f2d6557ba2eb9c81f276fac.1753869323.git.w1benny@gmail.com>
On 30.07.2025 11:56, Petr Beneš wrote:
> From: Petr Beneš <w1benny@gmail.com>
>
> Some SMBIOS tables are used by certain malware families to detect virtualized
> environments via WMI queries.
>
> To improve stealth for sandboxing purposes, this patch adds support
> for populating these SMBIOS tables from an external binary specified
> via the "smbios_firmware" domain config option:
>
> * 7 - Cache Info
> * 8 - Port Connector
> * 9 - System Slots
> * 26 - Voltage Probe
> * 27 - Cooling Device
> * 28 - Temperature Probe
>
> If particular table is absent in binary file, then it will not be mapped to
> memory. This method works for Windows domains as tables 7,8,9,26,27,28 are not
> critical for OS boot and runtime. Also if "smbios_firmware" parameter is not
> provided, these tables will be skipped in write_smbios_tables function.
>
> From: Anton Belousov <blsvntn@outlook.com>
> Signed-off-by: Petr Beneš <w1benny@gmail.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
next prev parent reply other threads:[~2025-07-31 8:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-30 9:56 [PATCH v4 0/3] hvmloader: add new SMBIOS tables (7,8,9,26,27,28) Petr Beneš
2025-07-30 9:56 ` [PATCH v4 1/3] tools: add sizeof_field and offsetof_end macros Petr Beneš
2025-08-20 12:39 ` Andrew Cooper
2025-07-30 9:56 ` [PATCH v4 2/3] hvmloader: fix SMBIOS table length checks Petr Beneš
2025-07-31 8:36 ` Jan Beulich
2025-07-31 9:01 ` Petr Beneš
2025-08-28 7:03 ` Jan Beulich
2025-08-28 8:01 ` Jan Beulich
2025-07-30 9:56 ` [PATCH v4 3/3] hvmloader: add new SMBIOS tables (7, 8, 9, 26, 27, 28) Petr Beneš
2025-07-31 8:39 ` Jan Beulich [this message]
2025-08-19 6:45 ` [PATCH v4 0/3] hvmloader: add new SMBIOS tables (7,8,9,26,27,28) Jan Beulich
2025-08-19 10:26 ` Petr Beneš
2025-08-19 10:28 ` Jan Beulich
2025-08-20 10:47 ` Ping: " Petr Beneš
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