Insert Dylib [best] Guide

Compile:

DYLD_INSERT_LIBRARIES=./mymalloc.dylib ./testprog Attach to a running process and call dlopen() remotely. Requires thread creation and function call in target. insert dylib

vmmap <PID> | grep -i dylib Unexpected dylibs (non-system, not in original binary) are suspicious. #include <mach-o/dyld.h> for (uint32_t i=0; i < _dyld_image_count(); i++) const char *name = _dyld_get_image_name(i); // Check against whitelist Compile: DYLD_INSERT_LIBRARIES=

ps eww <PID> | tr ' ' '\n' | grep DYLD List loaded dylibs: for (uint32_t i=0

– interposing malloc :