Exploit-Dev on unixawy.com | Security Blog /tags/exploit-dev/ Recent content in Exploit-Dev on unixawy.com | Security Blog Hugo en-us Fri, 22 May 2020 04:27:54 +0000 Linux Heap Memory Architecture: Chunks, Bins, and Allocators /dynamic-memory/ Fri, 22 May 2020 04:27:54 +0000 /dynamic-memory/ A deep dive into Linux dynamic memory management: malloc internals, ptmalloc chunk headers, free chunk structures, bins, and allocation syscalls (brk/sbrk vs mmap). Lightweight Exploit Development Interface Using .gdbinit Hooks /gdb-init/ Mon, 04 Feb 2019 22:35:25 +0000 /gdb-init/ How to configure native GDB stop hooks and Intel disassembly syntax in ~/.gdbinit to automatically display registers, opcodes, and stack memory on break without third-party plugins. Testing and Validating Shellcode in C via Function Pointers /shellcode-validation-via-c-pointer/ Mon, 15 Oct 2018 17:19:50 +0000 /shellcode-validation-via-c-pointer/ A minimal C harness to test, validate, and debug raw assembly shellcode by casting a byte array into an executable function pointer. Locating Environment Variable Memory Addresses for Exploit Payloads /get-environment-variable-memory-address/ Thu, 04 Dec 2014 19:32:27 +0000 /get-environment-variable-memory-address/ How to reliably determine the memory address of environment variables on the Linux stack during binary exploitation and ret2env attacks.