From 7a709eb44a353929f97750268b7cfbe934b784a0 Mon Sep 17 00:00:00 2001
From: Biswa Kalyan Bhuyan <biswa@surgot.in>
Date: Thu, 17 Apr 2025 08:21:29 +0530
Subject: updated stealth_launcher.c with just hides the process in trace level

---
 force_unload.sh | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100755 force_unload.sh

(limited to 'force_unload.sh')

diff --git a/force_unload.sh b/force_unload.sh
new file mode 100755
index 0000000..1d9b8cc
--- /dev/null
+++ b/force_unload.sh
@@ -0,0 +1,88 @@
+#!/bin/bash
+
+# force_unload.sh - Force unload the stealth_launcher module when it's stuck
+# Usage: sudo ./force_unload.sh
+
+# Check if user is root
+if [ "$EUID" -ne 0 ]; then
+    echo "This script must be run as root"
+    exit 1
+fi
+
+# Check if the module is loaded
+if ! lsmod | grep -q "stealth_launcher"; then
+    echo "The stealth_launcher module is not loaded"
+    exit 0
+fi
+
+# Try normal rmmod first
+echo "Attempting normal module removal..."
+rmmod stealth_launcher 2>/dev/null
+
+# Check if it worked
+if ! lsmod | grep -q "stealth_launcher"; then
+    echo "Module successfully unloaded"
+    exit 0
+fi
+
+# Make sure the module parameters directory exists
+if [ ! -d "/sys/module/stealth_launcher/parameters" ]; then
+    echo "Module parameters directory not found. Trying force removal..."
+    rmmod -f stealth_launcher
+    
+    if ! lsmod | grep -q "stealth_launcher"; then
+        echo "Module successfully unloaded using rmmod -f"
+        exit 0
+    else
+        echo "Failed to unload module even with force. You may need to reboot."
+        exit 1
+    fi
+fi
+
+# Try method 1: Use the force_unload parameter
+echo "Module is busy. Attempting force unload via parameter..."
+echo 1 > /sys/module/stealth_launcher/parameters/force_unload 2>/dev/null
+
+# Wait a moment
+sleep 2
+
+# Try rmmod again
+rmmod stealth_launcher 2>/dev/null
+
+# Check if it worked
+if ! lsmod | grep -q "stealth_launcher"; then
+    echo "Module successfully unloaded"
+    exit 0
+fi
+
+# Try method 2: Kill any processes that might be keeping module busy
+echo "Module still busy. Trying to terminate related processes..."
+ps aux | grep -e "sleep" -e "bash" | grep -v grep | awk '{print $2}' | xargs -r kill -9 2>/dev/null
+
+# Wait a moment
+sleep 1
+
+# Try rmmod again
+rmmod stealth_launcher 2>/dev/null
+
+# Check if it worked
+if ! lsmod | grep -q "stealth_launcher"; then
+    echo "Module successfully unloaded after killing processes"
+    exit 0
+fi
+
+# Method 3: Force removal as last resort
+echo "Attempting force removal as last resort..."
+rmmod -f stealth_launcher 2>/dev/null
+
+# Check if it worked
+if ! lsmod | grep -q "stealth_launcher"; then
+    echo "Module successfully unloaded using rmmod -f"
+    exit 0
+else
+    echo "Failed to unload module. You may need to reboot."
+    echo "Before rebooting, try these commands manually:"
+    echo "  sudo kill -9 \$(lsof -t /dev/stealth_launcher 2>/dev/null)"
+    echo "  sudo rmmod -f stealth_launcher"
+    exit 1
+fi 
\ No newline at end of file
-- 
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