Adding payload service to redirector

2025-05-01 15:45:29 -04:00
parent 7ab381794b
commit 6b60b94768
5 changed files with 249 additions and 102 deletions
@@ -0,0 +1,150 @@
+#!/bin/bash
+# secure_payload_sync.sh - OPSEC-focused payload distribution
+
+# Configuration
+C2_PAYLOAD_DIR="/root/Tools/Havoc/payloads"
+REDIRECTOR_IP="{{ redirector_ip }}"
+REDIRECTOR_USER="root"
+SSH_KEY_PATH="/root/.ssh/id_ed25519"
+REMOTE_PAYLOAD_DIR="/var/www/payloads"
+ENCRYPTED_TRANSFER=true
+LOG_FILE="/root/Tools/logs/payload_sync.log"
+LOG_RETENTION_DAYS=3
+MAX_RANDOM_DELAY=300  # Max random delay in seconds
+
+# Create minimal timestamped log with auto-rotation
+log() {
+  mkdir -p $(dirname $LOG_FILE)
+  echo "$(date "+%Y-%m-%d %H:%M:%S") - $1" >> $LOG_FILE
+  find $(dirname $LOG_FILE) -name "*.log" -mtime +$LOG_RETENTION_DAYS -delete 2>/dev/null
+}
+
+# Add random delay for OPSEC
+sleep_random() {
+  DELAY=$((RANDOM % $MAX_RANDOM_DELAY))
+  log "Adding random delay of $DELAY seconds"
+  sleep $DELAY
+}
+
+# Generate payload manifest and check for changes
+check_for_changes() {
+  if [ ! -d "$C2_PAYLOAD_DIR" ]; then
+    log "ERROR: Payload directory not found"
+    return 1
+  fi
+  
+  TMP_DIR=$(mktemp -d)
+  MANIFEST_FILE="$TMP_DIR/manifest"
+  find $C2_PAYLOAD_DIR -type f -exec sha256sum {} \; | sort > $MANIFEST_FILE
+  
+  CURRENT_HASH=$(sha256sum $MANIFEST_FILE | awk '{print $1}')
+  HASH_FILE="/root/Tools/.payload_hash"
+  
+  if [ -f "$HASH_FILE" ] && [ "$(cat $HASH_FILE)" == "$CURRENT_HASH" ]; then
+    log "No payload changes detected"
+    secure_delete $TMP_DIR
+    return 1
+  fi
+  
+  echo $CURRENT_HASH > $HASH_FILE
+  return 0
+}
+
+# Secure deletion of files/directories
+secure_delete() {
+  if [ -d "$1" ]; then
+    find "$1" -type f -exec shred -n 3 -z -u {} \; 2>/dev/null
+    rm -rf "$1" 2>/dev/null
+  elif [ -f "$1" ]; then
+    shred -n 3 -z -u "$1" 2>/dev/null
+  fi
+}
+
+# Encrypt archive with random password
+encrypt_archive() {
+  SRC="$1"
+  DEST="$2"
+  
+  # Generate random password
+  PASSWORD=$(head /dev/urandom | tr -dc 'a-zA-Z0-9' | head -c 32)
+  PASS_FILE=$(mktemp)
+  echo $PASSWORD > $PASS_FILE
+  
+  # Encrypt the archive
+  openssl enc -aes-256-cbc -salt -in "$SRC" -out "$DEST" -pass file:$PASS_FILE
+  
+  # Store password temporarily for transfer
+  echo $PASSWORD
+  
+  # Securely delete password file
+  secure_delete $PASS_FILE
+}
+
+# Main execution
+main() {
+  log "Starting secure payload sync"
+  
+  # Add randomized timing
+  sleep_random
+  
+  # Check for payload changes
+  check_for_changes || exit 0
+  
+  # Generate random archive name for OPSEC
+  RANDOM_ID=$(head /dev/urandom | tr -dc 'a-z0-9' | head -c 12)
+  ARCHIVE_NAME="updates_${RANDOM_ID}.tar.gz"
+  ENCRYPTED_NAME="${ARCHIVE_NAME}.enc"
+  TEMP_DIR=$(mktemp -d)
+  
+  # Create payload archive
+  log "Creating payload archive"
+  tar czf "$TEMP_DIR/$ARCHIVE_NAME" -C $(dirname $C2_PAYLOAD_DIR) $(basename $C2_PAYLOAD_DIR)
+  
+  # Encrypt archive if enabled
+  PASSWORD=""
+  if [ "$ENCRYPTED_TRANSFER" = true ]; then
+    log "Encrypting payload archive"
+    PASSWORD=$(encrypt_archive "$TEMP_DIR/$ARCHIVE_NAME" "$TEMP_DIR/$ENCRYPTED_NAME")
+    TRANSFER_FILE="$TEMP_DIR/$ENCRYPTED_NAME"
+  else
+    TRANSFER_FILE="$TEMP_DIR/$ARCHIVE_NAME"
+  fi
+  
+  # Transfer archive to redirector
+  log "Transferring payloads to redirector"
+  scp -i $SSH_KEY_PATH -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -q "$TRANSFER_FILE" "$REDIRECTOR_USER@$REDIRECTOR_IP:/tmp/$ENCRYPTED_NAME"
+  
+  # Handle remote extraction with decryption if needed
+  if [ "$ENCRYPTED_TRANSFER" = true ]; then
+    REMOTE_CMD="
+      mkdir -p $REMOTE_PAYLOAD_DIR
+      TEMP_DIR=\$(mktemp -d)
+      openssl enc -aes-256-cbc -d -in /tmp/$ENCRYPTED_NAME -out \$TEMP_DIR/$ARCHIVE_NAME -pass pass:\"$PASSWORD\"
+      tar xzf \$TEMP_DIR/$ARCHIVE_NAME -C /var/www/
+      # Clean up
+      shred -n 3 -z -u /tmp/$ENCRYPTED_NAME \$TEMP_DIR/$ARCHIVE_NAME 2>/dev/null
+      rm -rf \$TEMP_DIR
+      # Update web server if needed
+      systemctl reload nginx 2>/dev/null
+    "
+  else
+    REMOTE_CMD="
+      mkdir -p $REMOTE_PAYLOAD_DIR
+      tar xzf /tmp/$ENCRYPTED_NAME -C /var/www/
+      shred -n 3 -z -u /tmp/$ENCRYPTED_NAME 2>/dev/null
+      systemctl reload nginx 2>/dev/null
+    "
+  fi
+  
+  # Execute command on redirector
+  ssh -i $SSH_KEY_PATH -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "$REDIRECTOR_USER@$REDIRECTOR_IP" "$REMOTE_CMD"
+  
+  # Clean up local temp files
+  log "Cleaning up temporary files"
+  secure_delete $TEMP_DIR
+  
+  log "Payload sync completed successfully"
+}
+
+# Run main function
+main
@@ -0,0 +1,54 @@
+#!/bin/bash
+# setup_payload_sync.sh - Configure systemd service and timer
+
+# Create systemd service file
+cat > /etc/systemd/system/payload-sync.service << EOF
+[Unit]
+Description=Secure Payload Sync Service
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/root/Tools/secure_payload_sync.sh
+User=root
+Group=root
+# Security hardening
+PrivateTmp=true
+ProtectSystem=full
+NoNewPrivileges=true
+# Hide process information
+StandardOutput=null
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# Create systemd timer with randomized schedule
+cat > /etc/systemd/system/payload-sync.timer << EOF
+[Unit]
+Description=Secure Payload Sync Timer
+Requires=payload-sync.service
+
+[Timer]
+# Run every 30-60 minutes with randomization
+OnBootSec=5min
+OnUnitActiveSec=30m
+RandomizedDelaySec=30m
+Persistent=true
+
+[Install]
+WantedBy=timers.target
+EOF
+
+# Copy script to proper location
+cp secure_payload_sync.sh /root/Tools/
+chmod 700 /root/Tools/secure_payload_sync.sh
+
+# Enable and start timer
+systemctl daemon-reload
+systemctl enable payload-sync.timer
+systemctl start payload-sync.timer
+
+echo "Payload sync service installed and timer started"