Insert Dylib -

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

DYLD_INSERT_LIBRARIES=/path/to/my.dylib /path/to/target : dyld respects this environment variable unless restricted (see SIP, hardened runtime). insert dylib

void anti_injection_check() const char *env = getenv("DYLD_INSERT_LIBRARIES"); if (env && strlen(env) > 0) fprintf(stderr, "DYLD_INSERT_LIBRARIES detected: %s\n", env); exit(1); DYLD_INSERT_LIBRARIES=