ghost
65 lines
1.8 KiB
Bash
Executable File
65 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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# OPSEC Hostname Randomization
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# Config-aware: reads HOSTNAME_PATTERN and HOSTNAME_CUSTOM_PREFIX from /etc/opsec/opsec.conf
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# Patterns: desktop (desktop-XXXX), random (8 random chars), custom (PREFIX-XXXX)
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if [ "$EUID" -ne 0 ]; then
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echo "Please run as root"
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exit 1
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fi
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# Source config if available
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OPSEC_LIB="/usr/local/lib/opsec/opsec-lib.sh"
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if [ -f "$OPSEC_LIB" ]; then
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. "$OPSEC_LIB"
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opsec_load_config 2>/dev/null || true
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else
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opsec_green() { echo -e "\033[38;5;49m[+] $*\033[0m"; }
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opsec_info() { echo -e "\033[38;5;39m[~] $*\033[0m"; }
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opsec_dim() { echo -e "\033[38;5;244m $*\033[0m"; }
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fi
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# Config values with defaults
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PATTERN="${HOSTNAME_PATTERN:-desktop}"
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PREFIX="${HOSTNAME_CUSTOM_PREFIX:-}"
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RAND_HEX=$(head -c 2 /dev/urandom | od -An -tx1 | tr -d ' ')
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OLD_HOSTNAME=$(hostname)
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case "$PATTERN" in
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desktop)
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NEW_HOSTNAME="desktop-${RAND_HEX}"
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;;
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random)
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NEW_HOSTNAME=$(head -c 4 /dev/urandom | od -An -tx1 | tr -d ' ')
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;;
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custom)
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NEW_HOSTNAME="${PREFIX}-${RAND_HEX}"
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;;
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*)
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NEW_HOSTNAME="desktop-${RAND_HEX}"
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;;
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esac
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opsec_info "Randomizing hostname..."
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opsec_dim "Old: ${OLD_HOSTNAME}"
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opsec_dim "New: ${NEW_HOSTNAME} (pattern: ${PATTERN})"
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# Set hostname via hostnamectl (persistent)
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hostnamectl set-hostname "$NEW_HOSTNAME" 2>/dev/null || {
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echo "$NEW_HOSTNAME" > /etc/hostname
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hostname "$NEW_HOSTNAME"
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}
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# Update /etc/hosts to match
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if grep -q "$OLD_HOSTNAME" /etc/hosts 2>/dev/null; then
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sed -i "s/$OLD_HOSTNAME/$NEW_HOSTNAME/g" /etc/hosts
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fi
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# Ensure localhost entries exist
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if ! grep -q "127.0.0.1.*$NEW_HOSTNAME" /etc/hosts; then
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sed -i "/127\.0\.0\.1/s/$/ $NEW_HOSTNAME/" /etc/hosts
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fi
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opsec_green "Hostname randomized to: ${NEW_HOSTNAME}"
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