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Linux security using a limited group (PAM modules)
Using PAM modules to create a restricted group in order to "jail" or "limit" some users (mostly system users).Continue reading →
27 August 2010 0 messages -
How to secure Linux users
How-to simply and securely manage the various users and system accounts on a Linux box.Continue reading →
14 August 2010 0 messages -
HTTP backdoor using POSIX file capabilities and PHP
Use POSIX file capabilities and PHP to create a backdoor that opens a root back-channel to the attacker’s PC on port TCP 53 when a PHP page is called with a special...Continue reading →
18 June 2010 0 messages
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Code Injection - Bypass start address protection
Over the year several mechanisms were developed by vendors to prevent code injection. A common mechanism is to detect invalid start address of the injected thread. Here, as an example we are... Continue reading →
5 September 2019 0 messages
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