ac1fc4421a
- Add scan_burn.sh: fast parallel SSH port scanner for subnet 172.24.11.129-254 - Add scan_burn.py: device identification tool with MAC address mapping - Update README.md with comprehensive documentation for new tools - Add usage examples, configuration guide, and troubleshooting section - Support multi-threaded concurrent scanning with configurable parameters
58 lines
1.2 KiB
Bash
Executable File
58 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Define subnet to scan
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SUBNET="172.24.11"
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# Define SSH port
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SSH_PORT=22
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# Maximum number of parallel processes
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MAX_PROCS=10
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# Temporary file for results
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RESULTS_FILE=$(mktemp)
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echo "Scanning for machines listening on SSH port $SSH_PORT in subnet $SUBNET.128/25..."
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# Start time for performance tracking
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START_TIME=$(date +%s)
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# Loop through the IP range with parallel processing
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for i in {129..254}; do
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IP="$SUBNET.$i"
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# Run scan in background
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{
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timeout 0.1 bash -c "</dev/tcp/$IP/$SSH_PORT" &>/dev/null
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if [[ $? -eq 0 ]]; then
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echo "Success: SSH is listening on $IP" >>"$RESULTS_FILE"
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fi
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} &
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# Limit the number of background processes - compatible version
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while [[ $(jobs -p | wc -l) -ge $MAX_PROCS ]]; do
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sleep 0.1
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done
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done
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# Wait for all remaining background processes to finish
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wait
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# Calculate elapsed time
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END_TIME=$(date +%s)
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ELAPSED=$((END_TIME - START_TIME))
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# Display results
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echo "Scan completed in $ELAPSED seconds."
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if [[ -s "$RESULTS_FILE" ]]; then
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echo "Found SSH servers:"
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cat "$RESULTS_FILE" | sort
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else
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echo "No SSH servers found."
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fi
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# Cleanup
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rm "$RESULTS_FILE"
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