42 bytes small Linux/x86 execve(/bin/dash) shellcode.
a6a775fc91f31c9ed92c9a6b4fc4bc0eLinux/x86 nc -lvve/bin/sh -p13377 shellcode.
5087da60dad719fa86a58f7745885b72This whitepaper is titled Introduction to Reverse Engineering x86. Written in Spanish.
dc8a55e3826610f226c80f90d07e9a5dUbuntu Security Notice 1390-1 - Dan Rosenberg reported errors in the OSS (Open Sound System) MIDI interface. A local attacker on non-x86 systems might be able to cause a denial of service. Dan Rosenberg reported errors in the kernel's OSS (Open Sound System) driver for Yamaha FM synthesizer chips. A local user can exploit this to cause memory corruption, causing a denial of service or privilege escalation. Various other issues were also addressed.
92b0c7957fb8fe4d1ca6cfa7844d316562 bytes small Linux/x86 BackShell-TCP bash[/dev/tcp],execve(/bin/sh) shellcode.
dd08110ce2074ee6db7bef28f638cd26This is an AES-128, AES-192 and AES-256 implementation for FASM. It uses the x86 32-bit instruction set and operates completely on the stack. No additional data segments are necessary which makes it easy to integrate the AES functions in any existing project. The implementation is not optimized for speed but for easy maintainability.
759cb6bc3f28cfe7283ccfa82e27c44497 bytes small OS X / x86 shellcode that binds a shell to port 4444.
16e21c56bf3f6e3c145721c99e4d1712Debian Linux Security Advisory 2396-1 - Nicolae Mogoraenu discovered a heap overflow in the emulated e1000e network interface card of KVM, a solution for full virtualization on x86 hardware, which could result in denial of service or privilege escalation.
07c049877fd01674457a13e495551f32180 bytes small Linux/x86 add new user/password shellcode.
cd7399535526f6e2b9460ccc859d6f7dThis Linux/x86 shellcode searches .php files and injects a PHP backdoor into them.
5888da252a52b2b4c0e54a04877f8d9494 bytes small BSD/x86 execve ('/bin/sh -c "/etc/master.passwd"') setreuid(0,0) shellcode.
35d2e60bbb98af3759a63f4c86856215102 bytes small Linux/x86 sys_execve ["/bin/sh"] setresuid(0,0,0) exit(0) shellcode.
6b5adc9ee8268fcaeaea40123f490188Linux/x86 polymorphic shellcode that escalates uid/gid and adds user iph to /etc/passwd without a password.
5f068501a4c3a979131005f6ce38a5dcTor-ramdisk is an i686 uClibc-based micro Linux distribution whose only purpose is to host a Tor server in an environment that maximizes security and privacy. Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. Security is enhanced by employing a monolithically compiled GRSEC/PAX patched kernel and hardened system tools. Privacy is enhanced by turning off logging at all levels so that even the Tor operator only has access to minimal information. Finally, since everything runs in ephemeral memory, no information survives a reboot, except for the Tor configuration file and the private RSA key which may be exported/imported by FTP. x86 version.
7aa2385971f6e137067fd55c0186a07b52 bytes small Linux/x86-64 execve(/bin/sh) shellcode.
914e31cdfa121ea06909d162cee3f66cSecunia Security Advisory - Gentoo has issued an update for sun-jre-bin, emul-linux-x86-java, and sun-jdk. This fixes multiple vulnerabilities, which can be exploited by malicious, local users to disclose potentially sensitive information, by malicious users to disclose certain information, and by malicious people to disclose potentially sensitive information, bypass certain security restrictions, hijack a user's session, manipulate certain data, conduct DNS cache poisoning attacks, cause a DoS (Denial of Service), and compromise a vulnerable system.
4ccc2d206a1bf47a6d85e9bb2661118eTor-ramdisk is an i686 uClibc-based micro Linux distribution whose only purpose is to host a Tor server in an environment that maximizes security and privacy. Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. Security is enhanced by employing a monolithically compiled GRSEC/PAX patched kernel and hardened system tools. Privacy is enhanced by turning off logging at all levels so that even the Tor operator only has access to minimal information. Finally, since everything runs in ephemeral memory, no information survives a reboot, except for the Tor configuration file and the private RSA key which may be exported/imported by FTP. x86 version.
89d06e2f5e4b027a1b90a31190702bf6Agnitio is a tool to help developers and security professionals conduct manual security code reviews in a consistent and repeatable way. Agnitio aims to replace the adhoc nature of manual security code review documentation, create an audit trail and reporting. Both x86 and x64 versions are included in this archive.
59cf63a6f55574a2f985861dc0056619Tor-ramdisk is an i686 uClibc-based micro Linux distribution whose only purpose is to host a Tor server in an environment that maximizes security and privacy. Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. Security is enhanced by employing a monolithically compiled GRSEC/PAX patched kernel and hardened system tools. Privacy is enhanced by turning off logging at all levels so that even the Tor operator only has access to minimal information. Finally, since everything runs in ephemeral memory, no information survives a reboot, except for the Tor configuration file and the private RSA key which may be exported/imported by FTP. x86 version.
ea9498052113d84ad8dddb285e0cc4b6Tor-ramdisk is an i686 uClibc-based micro Linux distribution whose only purpose is to host a Tor server in an environment that maximizes security and privacy. Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. Security is enhanced by employing a monolithically compiled GRSEC/PAX patched kernel and hardened system tools. Privacy is enhanced by turning off logging at all levels so that even the Tor operator only has access to minimal information. Finally, since everything runs in ephemeral memory, no information survives a reboot, except for the Tor configuration file and the private RSA key which may be exported/imported by FTP. x86 version.
58c5e3903cb0cdb6b0d37b2c4432aa2dWhitepaper called Reversing on Linux x86 (with GDB). Written in French.
8e4b889ca9616dce8a4ad7749b5e9b88Red Hat Security Advisory 2011-1163-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. This update includes backported fixes for two security issues. These issues only affected users of Red Hat Enterprise Linux 5.6 Extended Update Support, as they have already been addressed for users of Red Hat Enterprise Linux 5 in the 5.7 update, RHSA-2011:1065. A flaw was found in the way the Xen hypervisor implementation handled instruction emulation during virtual machine exits. A malicious user-space process running in an SMP guest could trick the emulator into reading a different instruction than the one that caused the virtual machine to exit. An unprivileged guest user could trigger this flaw to crash the host. This only affects systems with both an AMD x86 processor and the AMD Virtualization extensions enabled.
e1090d70f9e546a2757bc368d7ac5e78Debian Linux Security Advisory 2282-1 - Two vulnerabilities have been discovered in KVM, a solution for full virtualization on x86 hardware.
0e09a218045220ab0e71d4066f1213c8Go Null Yourself E-zine Issue 5 - Topics in this issue include Public-Key Encryption and RSA, Iridium Satellite Network, An Introduction to x86 NASM, Hacking 15A Announcements, and more.
b955ea110d72e63c1bc1bd2ecb71e015Linux/x86 egghunting shellcode.
123713c1f15182b11752b7554855b952
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