Skip to content
shellcodes

Posts tagged: #bad-chars

← Back to all posts
Bad-character filters: presets are a start, not the contract
How null and alphanumeric presets map to real injection channels, and when you must build a custom bad-char list.
bad-charsencodersbuilder
Encoder pipeline order: why your second pass breaks the first
How stacked encoders change size, decoders, and bad-char profiles, plus a sane order for lab iterations before exploit integration.
encodersbad-charsexport-formats
Null bytes in shellcode still ruin exploits in 2026
Why 0x00 breaks strcpy-style delivery, how nulls sneak into reverse TCP structs, and what to do when your encoder pass lies to you.
bad-charsexploit-developmentlinux