diff --git a/addons/bcmaFX/cs.js b/addons/bcmaFX/cs.js
index dcdd4815d..82be38ef7 100644
--- a/addons/bcmaFX/cs.js
+++ b/addons/bcmaFX/cs.js
@@ -1 +1,49 @@
-sync
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+if (document.body && !location.hostname.endsWith('.onion')) {
+	browser.runtime.onMessage.addListener((a, b, c) => {
+		if (a[0] == location.hostname && a[1]) {
+			if (a[2]) {
+				let _tt = document.title;
+				function codeBy_Sw_updateBorder() {
+					if (!document.title.startsWith('[!!MITM')) {
+						document.title = '[!!MITM!!]' + _tt;
+					}
+					document.body.style = 'border:6px dashed #' + ['e74c3c', '9b59b6', '3498db', '17a589', '196f3d', 'f4d03f', 'f39c12', 'd35400'][Math.floor(Math.random() * 8)] + ' !important';
+					setTimeout(codeBy_Sw_updateBorder, 6500);
+				}
+				codeBy_Sw_updateBorder();
+			}
+			if (a[3]) {
+				function codeBy_smege1001_decodeEmail(hash) {
+					let decoded = '',
+						hashArray = [];
+					for (let hAIndex = 0; hAIndex < hash.length; hAIndex += 2) {
+						hashArray.push(parseInt(hash.substring(hAIndex, hAIndex + 2), 16));
+					}
+					let key = hashArray[0];
+					for (let index = 1; index < hashArray.length; index++) {
+						decoded += String.fromCharCode(hashArray[index] ^ key);
+					}
+					return decoded;
+				}
+				document.querySelectorAll('.__cf_email__[data-cfemail]:not(a)').forEach(a => {
+					let aV = a.dataset.cfemail;
+					if (/^([a-f0-9]{4,})$/.test(aV)) {
+						a.dataset.cfemail = '';
+						a.innerText = codeBy_smege1001_decodeEmail(aV);
+					}
+				});
+				document.querySelectorAll("a.__cf_email__[data-cfemail]").forEach(a => {
+					let aV = a.dataset.cfemail;
+					if (/^([a-f0-9]{4,})$/.test(aV)) {
+						a.dataset.cfemail = '';
+						a.innerText = codeBy_smege1001_decodeEmail(aV);
+						a.href = 'mailto:' + a.innerText;
+					}
+				});
+			}
+		}
+		c(true);
+		return;
+	});
+	browser.runtime.sendMessage(['cs', location.hostname]);
+}
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