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Playing with canaries - elttam

elttam.com · published 16 April 2026

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Host

https://github.com/elttam/canary-fun

github.com

http://www.phrack.org/issues/49/14.html

phrack.org

https://gcc.gnu.org/ml/gcc/2000-08/msg00183.html

gcc.gnu.org

http://phrack.org/issues/56/5.html

phrack.org

http://insecure.org/sploits/non-executable.stack.problems.html

insecure.org

http://staff.ustc.edu.cn/~bjhua/courses/security/2014/readings/stackguard-bypass.pdf

staff.ustc.edu.cn

https://gcc.gnu.org/pub/gcc/summit/2003/Stackguard.pdf

gcc.gnu.org

-fstack-protector-strong Read at the source ↗

outflux.net

http://www.trapkit.de/tools/checksec.html

trapkit.de

https://github.com/Gallopsled/pwntools

github.com

https://github.com/elttam/canary-fun/tree/master/glibc-2.24/csu/libc-start.c

github.com

https://github.com/elttam/canary-fun/tree/master/glibc-2.24/sysdeps/generic/dl-osinfo.h

github.com

https://github.com/elttam/canary-fun/tree/master/glibc-2.24/elf/dl-support.c

github.com

https://github.com/elttam/canary-fun/blob/master/glibc-2.24/sysdeps/generic/entry.h

github.com

https://refspecs.linuxbase.org/elf/x86_64-abi-0.21.pdf

refspecs.linuxbase.org

https://refspecs.linuxfoundation.org/LSB_1.3.0/IA64/spec/auxiliaryvector.html

refspecs.linuxfoundation.org

http://man7.org/linux/man-pages/man3/getauxval.3.html

man7.org

https://github.com/elttam/canary-fun/tree/master/glibc-2.24/elf/elf.h

github.com

https://github.com/elttam/canary-fun/tree/master/greetz.c

github.com

https://github.com/elttam/canary-fun/tree/master/read_canary_from_pid.c

github.com

https://linux.die.net/man/2/process_vm_readv

linux.die.net

https://github.com/elttam/canary-fun/blob/master/read_canary_from_pid.py

github.com

https://0xax.gitbooks.io/linux-insides/content/SysCall/syscall-4.html

0xax.gitbooks.io

http://www.cs.stevens.edu/~jschauma/810/lecture05.pdf

cs.stevens.edu

http://eli.thegreenplace.net/2012/08/13/how-statically-linked-programs-run-on-linux

eli.thegreenplace.net

http://www.skyfree.org/linux/references/ELF_Format.pdf

skyfree.org

https://github.com/torvalds/linux/blob/v4.9/fs/binfmt_elf.c

github.com

https://github.com/torvalds/linux/blob/v4.9/drivers/char/random.c

github.com

https://www.blackhat.com/docs/eu-14/materials/eu-14-Kedmi-Attacking-The-Linux-PRNG-On-Android-Weaknesses-In-Seeding-Of-Entropic-Pools-And-Low-Boot-Time-Entropy-wp.pdf

blackhat.com

https://github.com/search?q=srand%28time%280%29%29%3B&type=Code&utf8=%E2%9C%93

github.com

http://rootfoo.org/ctf/2016-legitbs-ctf-quals-feedme

rootfoo.org

https://blahcat.github.io/2016/06/13/armpwn-challenge/

blahcat.github.io

https://leonjza.github.io/blog/2014/09/18/from-persistence/

leonjza.github.io

https://github.com/BurntSushi/ripgrep

github.com

http://duartes.org/gustavo/blog/post/memory-translation-and-segmentation/

duartes.org

https://gcc.gnu.org/onlinedocs/gcc-3.4.1/gcc/Thread-Local.html

gcc.gnu.org

http://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-software-developer-manual-325462.html

intel.com

https://github.com/elttam/canary-fun/tree/master/read_canary.c

github.com

https://github.com/elttam/canary-fun/tree/master/greetz-renew-canary.c

github.com

https://renewssp.com

renewssp.com

https://en.wikipedia.org/wiki/Position-independent_code

en.wikipedia.org

http://cybersecurity.upv.es/attacks/offset2lib/offset2lib.html

cybersecurity.upv.es

https://github.com/torvalds/linux/blob/v4.9/init/main.c

github.com

https://github.com/torvalds/linux/blob/v4.9/arch/x86/include/asm/stackprotector.h

github.com

https://github.com/torvalds/linux/blob/v4.9/arch/arm/include/asm/stackprotector.h

github.com

https://github.com/torvalds/linux/blob/v4.9/kernel/fork.c

github.com

http://lxr.free-electrons.com/source/kernel/panic.c

lxr.free-electrons.com

http://clang.llvm.org/docs/SafeStack.html

clang.llvm.org