Hoy repartimos copias firmadas por el staff de @phrack en Primavera Hacker en Santiago. Keep hacking! 🏴☠️
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isra 🏴☠️
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I wrote a short blog post at 0x00sec explaining a simpler way to execute assembly/shellcode on-the-fly with Perl based on feedback received for @hckng
's "#Perl hacking I": https://0x00sec.org/t/executing-assembly-shellcode-on-the-fly-with-perl/37586
's "#Perl hacking I": https://0x00sec.org/t/executing-assembly-shellcode-on-the-fly-with-perl/37586
Executing assembly/shellcode on-the-fly with Perl
Introduction This post describes a simple trick to copy arbitrary assembly/shellcode (Linux x86_64) into a mapped memory address and then execute it on-the-fly as if it were an external subroutine, no compiling or extra tools needed (based on Perl hacking I: PEEK & POKE & XSUB). Copying payload into memory Two things are needed for copying an assembly/shellcode payload into memory: a temporary file with the given payload and two syscalls to map a new memory area and read the temporary file...