diff --git a/src/ssl_sniffer/README.md b/src/ssl_sniffer/README.md
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+++ b/src/ssl_sniffer/README.md
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+# SSL Sniffer
+
+> [!NOTE]
+> Still in WIP. A `bpftrace_demo.sh` script is provided to try to sniff any encrypted messages on a provided program.
+> Run the script with `sudo ./bpftrace_demo.sh <program_name/path>`.
+
+`ssl_sniffer` is a simple tool to sniff on-going SSL/TLS traffic on the machine without installing, trusting, or modifying any certificate. It will **intercept the SSL/TLS traffic** and **decrypt it** on the fly at the system SSL libraries level.
+
+> [!IMPORTANT]
+> Despite trying to sniff most of the SSL/TLS traffic, some applications might not be appearing in the traffic. This is because the application might be **using a different non supported SSL/TLS library**, **bringing their own library** in a directory which is not being sniffed or are **statically compiled** with the SSL/TLS library.
diff --git a/src/ssl_sniffer/bpftrace_demo.sh b/src/ssl_sniffer/bpftrace_demo.sh
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+++ b/src/ssl_sniffer/bpftrace_demo.sh
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+#/bin/bash
+
+bpftrace_cmd="bpftrace"
+bptrace_start_args=""
+bptrace_end_args=""
+
+program=$1
+
+if [ -z "$program" ]; then
+    echo "To run this script, you need to provide a program to trace"
+    echo "Supported libraries: libssl, libnspr, libgnutls"
+    echo "Usage: $0 <program>"
+    exit 1
+fi
+
+real_path=$(which $program)
+
+# Check if the program exists
+if [ ! -f "$real_path" ]; then
+    echo "The program $program does not exist"
+    exit 1
+fi
+
+# Check all the libraries that the program uses
+libs=$(ldd $real_path | awk '{print $3}' | grep -E 'libssl|libnspr|libgnutls')
+
+if [ -z "$libs" ]; then
+    echo "The program $program does not use any of the supported libraries"
+    exit 1
+fi
+
+printf "The program '$program' uses the following libraries:\n"
+echo "$libs"
+
+# Building the bpftrace command
+
+for lib in $libs; do
+    if [ $(echo $lib | grep -c "libssl") -gt 0 ]; then
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:SSL_read,"
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:SSL_write,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:SSL_read,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:SSL_write,"
+    elif [ $(echo $lib | grep -c "libnspr") -gt 0 ]; then
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:PR_Write,"
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:PR_Send,"
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:RP_Read,"
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:PR_Recv,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:PR_Write,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:PR_Send,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:RP_Read,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:PR_Recv,"
+    elif [ $(echo $lib | grep -c "libgnutls") -gt 0 ]; then
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:gnutls_record_recv,"
+        bptrace_start_args="$bptrace_start_args uprobe:$lib:gnutls_record_send,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:gnutls_record_recv,"
+        bptrace_end_args="$bptrace_end_args uretprobe:$lib:gnutls_record_send,"
+    fi
+done
+
+# Removing the trailing comma
+bptrace_start_args=$(echo $bptrace_start_args | sed 's/,$//')
+bptrace_end_args=$(echo $bptrace_end_args | sed 's/,$//')
+
+full_cmd="$bpftrace_cmd -e '$bptrace_start_args { @ctx[pid] = arg0; @buf[pid] = arg1; @len[pid] = arg2; } $bptrace_end_args { printf(\"[%d/%s] %s(%p, %p, %d) = %d\", pid, comm, probe, @ctx[pid], @buf[pid], @len[pid], retval); if ((int32)retval > 0) { @slen = retval; if (@slen >= 64) { printf(\" [[\n%s\n]] (truncated)\", str(@buf[pid], @slen)); } else { printf(\" [[\n%s\n]]\", str(@buf[pid], @slen)); } } printf(\"\n\"); delete(@ctx[pid]); delete(@buf[pid]); delete(@len[pid]); }'"
+
+# Running the bpftrace command
+eval $full_cmd
+
+exit 0
+
+# Some specific examples
+
+# Anyconnect Cisco (they use libacciscossl.so instead of native libssl)
+bpftrace -e '
+uprobe:/opt/cisco/anyconnect/lib/libacciscossl.so:SSL_read,
+uprobe:/opt/cisco/anyconnect/lib/libacciscossl.so:SSL_write {
+        @ctx[pid] = arg0; @buf[pid] = arg1; @len[pid] = arg2;
+    }
+uretprobe:/opt/cisco/anyconnect/lib/libacciscossl.so:SSL_read,
+uretprobe:/opt/cisco/anyconnect/lib/libacciscossl.so:SSL_write {
+        printf("[%d/%s] %s(%p, %p, %d) = %d", pid, comm, probe, @ctx[pid], @buf[pid], @len[pid], retval);
+        if ((int32)retval > 0) {
+            @slen = retval;
+            if (@slen >= 64) {
+                printf(" [[\n%s\n]] (truncated)", str(@buf[pid], @slen));
+            } else {
+                printf(" [[\n%s\n]]", str(@buf[pid], @slen));
+            }
+        }
+        printf("\n");
+        delete(@ctx[pid]); delete(@buf[pid]); delete(@len[pid]);
+    }
+'
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