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"Today, June 29th 2017, WikiLeaks publishes documents from the OutlawCountry project of the CIA that targets computers running the Linux operating system. OutlawCountry allows for the redirection of all outbound network traffic on the target computer to CIA controlled machines for ex- and infiltration purposes. The malware consists of a kernel module that creates a hidden netfilter table on a Linux target; with knowledge of the table name, an operator can create rules that take precedence over existing netfilter/iptables rules and are concealed from an user or even system administrator.
The installation and persistence method of the malware is not described in detail in the document; an operator will have to rely on the available CIA exploits and backdoors to inject the kernel module into a target operating system. OutlawCountry v1.0 contains one kernel module for 64-bit CentOS/RHEL 6.x; this module will only work with default kernels. Also, OutlawCountry v1.0 only supports adding covert DNAT rules to the PREROUTING chain."
https://www.wikileaks.org/vault7/#OutlawCountry
-- Leaked Documents :
= OutlawCountry v1.0 User Manual
https://www.wikileaks.org/vault7/document/OutlawCountry_v1_0_User_Manual/
(PDF) https://www.wikileaks.org/vault7/document/OutlawCountry_v1_0_User_Manual/OutlawCountry_v1_0_User_Manual.pdf
= OutlawCountry v1.0 Test Plan
https://www.wikileaks.org/vault7/document/OutlawCountry_v1_0_Test_Plan/
(PDF) https://www.wikileaks.org/vault7/document/OutlawCountry_v1_0_Test_Plan/OutlawCountry_v1_0_Test_Plan.pdf
(Score: 2) by NewNic on Saturday July 01 2017, @06:58PM (1 child)
Interesting, your post made me look into kernel module compatibility a bit more.
A naive attempt appears to shows that the version must match exactly:
# insmod /lib/modules/2.6.32-696.1.1.el6.x86_64/kernel/drivers/net/vmxnet3/vmxnet3.ko
insmod: error inserting '/lib/modules/2.6.32-696.1.1.el6.x86_64/kernel/drivers/net/vmxnet3/vmxnet3.ko': -1 Required key not available
However, it appears that this error message is related to module signing:
# grep MODULE_SIG /boot/config-2.6.32-642.13.1.el6.x86_64
CONFIG_MODULE_SIG=y
# CONFIG_MODULE_SIG_FORCE is not set
lib·er·tar·i·an·ism ˌlibərˈterēənizəm/ noun: Magical thinking that useful idiots mistake for serious political theory
(Score: 2) by jmorris on Monday July 03 2017, @03:00AM
Yea, it is annoying. But it can be worked around. Check this CentOS wiki page [centos.org] discussing the issue of making third party repo modules. ElRepo is the example given and it is noted their modules aren't signed. (The packages are though, which is easier since adding the repo can add a new key to rpm.)