Ulexecve Alternatives
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ulexecve reviews and mentions
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Can I exec an new process without an executable file? (2015)
Correct but in lots of scenarios (containers etc) you cannot execute ptrace() but you can execute mmap(), mprotect(), read(), write() which is all you really need.
See something I published just a month ago: https://github.com/anvilsecure/ulexecve/
Definitely tricky. I solved it with a Python implementation by building up a big jumpbuffer so that the moment I leave Python-land I copy from temporary buffers to the right addresses and then ultimately jump at the entry point of the newly loaded binary. It's tricky and took quite some debugging to get right, but it's proven rather solid now.
See https://github.com/anvilsecure/ulexecve/blob/main/ulexecve.p... for details. Especially the `CodeGenerator` classes with implementations in x86, x86-64 and aarch64.
Stats
anvilsecure/ulexecve is an open source project licensed under BSD 3-clause "New" or "Revised" License which is an OSI approved license.
The primary programming language of ulexecve is Python.