CentOS method 2

Now you can use method 2 in CentOS

Author: YosfanEilay

deploy_crowdstrike/linux/CentOS/method_2/linux_crowdstrike_deploy_method_2.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+
+# Crowdstrike-Deploy Banner
+echo ""
+echo "  ██████╗██████╗  ██████╗ ██╗    ██╗██████╗ ███████╗████████╗██████╗ ██╗██╗  ██╗███████╗"
+echo " ██╔════╝██╔══██╗██╔═══██╗██║    ██║██╔══██╗██╔════╝╚══██╔══╝██╔══██╗██║██║ ██╔╝██╔════╝"
+echo " ██║     ██████╔╝██║   ██║██║ █╗ ██║██║  ██║███████╗   ██║   ██████╔╝██║█████╔╝ █████╗"  
+echo " ██║     ██╔══██╗██║   ██║██║███╗██║██║  ██║╚════██║   ██║   ██╔══██╗██║██╔═██╗ ██╔══╝"  
+echo " ╚██████╗██║  ██║╚██████╔╝╚███╔███╔╝██████╔╝███████║   ██║   ██║  ██║██║██║  ██╗███████╗"
+echo "  ╚═════╝╚═╝  ╚═╝ ╚═════╝  ╚══╝╚══╝ ╚═════╝ ╚══════╝   ╚═╝   ╚═╝  ╚═╝╚═╝╚═╝  ╚══════╝"
+echo ""                                                                                       
+echo "                     ██████╗ ███████╗██████╗ ██╗      ██████╗ ██╗   ██╗"                 
+echo "                     ██╔══██╗██╔════╝██╔══██╗██║     ██╔═══██╗╚██╗ ██╔╝"                 
+echo "                     ██║  ██║█████╗  ██████╔╝██║     ██║   ██║ ╚████╔╝"                  
+echo "                     ██║  ██║██╔══╝  ██╔═══╝ ██║     ██║   ██║  ╚██╔╝"                   
+echo "                     ██████╔╝███████╗██║     ███████╗╚██████╔╝   ██║"                    
+echo "                     ╚═════╝ ╚══════╝╚═╝     ╚══════╝ ╚═════╝    ╚═╝"
+echo ""
+echo "                           Created & Maintained by: Eilay Yosfan"
+echo "                                   GitHub.com/YosfanEilay"
+echo "                                          Method: 2"
+echo ""
+
+set -e
+
+####################### Please Paste Your Information in Here ##############
+Operation=""             # Choose operation: "Split" or "Deploy"
+Parts=""                 # Number of parts to split the file into
+OriginalFilePath=""      # Full path to the original file (for splitting)
+SplittedFilesLocation="" # Path where split parts are stored (for deploying)
+CrowdstrikeCID=""        # Tenant CID string
+TenantName=""            # Display name for tenant (for logging)
+############################################################################
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+split_file() {
+    if [ ! -f "$OriginalFilePath" ]; then
+        echo "Error: File not found: $OriginalFilePath"
+        exit 1
+    fi
+
+    FILESIZE=$(stat -c%s "$OriginalFilePath")
+    CHUNK_SIZE=$(( (FILESIZE + Parts - 1) / Parts ))
+
+    echo "Splitting '$OriginalFilePath' into $Parts parts..."
+
+    for ((i=1; i<=Parts; i++)); do
+        OFFSET=$(( (i - 1) * CHUNK_SIZE ))
+        OUTPUT_FILE="$SCRIPT_DIR/file_split_part_$i"
+        dd if="$OriginalFilePath" of="$OUTPUT_FILE" bs=1 skip=$OFFSET count=$CHUNK_SIZE status=none
+        echo "Created: $OUTPUT_FILE"
+    done
+
+    echo "Split complete."
+}
+
+deploy_sensor() {
+    echo "Rebuilding original file from parts in: $SplittedFilesLocation"
+
+    OUTPUT_FILE="$SCRIPT_DIR/CrowdstrikeSensor.rpm"
+    rm -f "$OUTPUT_FILE"
+
+    for part in $(ls "$SplittedFilesLocation"/file_split_part_* 2>/dev/null | sort -V); do
+        cat "$part" >> "$OUTPUT_FILE"
+        echo "Appended: $part"
+    done
+
+    if [ ! -f "$OUTPUT_FILE" ]; then
+        echo "Error: Reconstructed file not found."
+        exit 1
+    fi
+
+    echo "Crowdstrike sensor file reconstructed as: $OUTPUT_FILE"
+    echo ""
+
+    echo "[+] Starting Crowdstrike sensor installation..."
+    yum -y localinstall "$OUTPUT_FILE"
+
+    echo "[+] Waiting for the service to settle..."
+    sleep 60
+
+    echo "[+] Configuring sensor with CID..."
+    /opt/CrowdStrike/falconctl -s --cid="$CrowdstrikeCID" -f
+
+    echo "[+] Starting falcon-sensor service..."
+    systemctl start falcon-sensor
+
+    echo "[+] Verifying that falcon-sensor is running:"
+    ps aux | grep "[f]alcon"
+
+    echo ""
+    echo "[+] Done. Host will appear in the Falcon console under tenant '$TenantName' in 5-10 minutes."
+}
+
+case "$Operation" in
+    "Split")
+        split_file
+        ;;
+    "Deploy")
+        deploy_sensor
+        ;;
+    *)
+        echo "Error: Unknown Operation: $Operation (use 'Split' or 'Deploy')"
+        exit 1
+        ;;
+esac