Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: 云书签

CRITICAL RISKRemoved from Chrome Web Store

云书签

ID: ccglofkimfhjlajnghaejicemegbecfa

Could be malicious

Supported Languages

🇨🇳Chinese (Simplified)

Extension Info & Metadata

Status

Removed

Version

3.0.9

Size

0.10 MB

Rating

3.0/5

Reviews

Users

Type

Extension

Updated

Jun 5, 2024

Publisher Contextual Analysis

Author: rongveerView Profile
Privacy: Privacy Policy
Help: Help Center
MX records exist: Yes
Domain exists: Yes
Is disposable: Yes
Is role-based: No
Mailbox exists: Yes

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

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云书签是一款现代化网址收藏夹和网站导航工具，可以帮助您收藏自己喜欢的网页，让您能够随时随地的管理和使用，还在等什么呢，抓紧来使用我吧。

相见恨晚，终于盼到您！云书签从今开始全面升级并新增加了很多功能像浏览器插件收藏、导出收藏、导入收藏和导航服务等，还是免费供您使用，无限制收藏数量。并且会一直传承着免费使用模式。平台的发展离不开您的陪伴，您的不离不弃就是对我们最大的鼓励，我们会再接再厉做得更好！

User Growth

Showing data from Jan 01, 2022 to Dec 31, 2022

Versions

-5.26%(-2 users)

Compared to 3 months ago

1 version released in this period

Rating Count

Total: 1 ratings

Average Rating

Current: 5.00 / 5.0+5.00

Extracted Data

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By severity

Critical0

High3

Medium2

Low1

Versions scanned

Showing 1 of 3 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
3.0.9 Code review	6

Extension Version	Code Review Findings
3.0.9	6

Files with findings

2 distinct paths — top paths by unique finding count:

background.js4
js/page.js2

S.No.	Category	Severity	File	Summary	Found in Version
1	Tracking	high	background.js (line 273)	Listens to every tab update event for every URL the user visits. On 'loading' it sends the URL to the remote server for a 'savebook check', and on 'complete' it automatically uploads the URL/title/favicon to the remot…	3.0.9
2	Tracking	high	background.js (line 407)	Sends every URL the user loads to api.web.erlyun.com/app/browser_check_savebook on the loading state of every navigation. Combined with erlyun_save_location_url, the remote server receives two telemetry pings per visi…	3.0.9
3	Unauthorized Data Collection	high	background.js (line 571)	The Chinese comment translates to 'auto-collect links'. This function silently exfiltrates every page's URL, title, and favicon to api.web.erlyun.com/app/browser_book_each without any user interaction or consent dialo…	3.0.9
4	Credential Theft	medium	js/page.js (line 2)	Content script injected into <all_urls> at document_start reads localStorage 'apptoken' from any page whose hostname contains 'erlyun.com' and forwards it to the background service worker, which then persists it via c…	3.0.9
5	Data Exfiltration	medium	background.js (line 607)	Generic POST helper that forwards any payload (including the auto-collected URLs/titles and DOM image data URLs) to api.web.erlyun.com with an apptoken appended via erlyun_api_url. The tagging of requests with the use…	3.0.9
6	Data Exfiltration	low	js/page.js (line 438)	erlyun_img_load_test enumerates every <img> in the page, and for any cross-origin image asks the background service worker to fetch the image and convert it to a base64 data URL (erlyun_img_to_str at background.js:674…	3.0.9

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URLs

IPv4

IPv6

URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

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api.web.erlyun.com	-	https://api.web.erlyun.com/
192.168.3.168	-	http://192.168.3.168:3036/
www.erlyun.com	-	https://www.erlyun.com/
www.keliku.com	-	https://www.keliku.com/
www.erlyun5.com	-	http://www.erlyun5.com/
github.com	/yorickshan	https://github.com/yorickshan
www.w3.org	/2000/svg	http://www.w3.org/2000/svg
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx

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192.168.3.168	IPv4	-

4.0 out of 5 · 3 most recent reviews

Text reviews

Positive

Negative

不好用

Sime Cheng·28 Sept 2023

很好用

蒙

蒙阿·4 May 2022

很好用

�

��阿·4 May 2022

Version History

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Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

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Browse and explore files within this extension package

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Security Alert: Confirmed Malware

云书签

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Chrome Web Store Metadata

Screenshots & Videos

About this extension

Analytics & Metrics

User Growth

Rating Count

Average Rating

Static Code Security Analysis

Extracted Data

Code Review Findings Summary Across 3 Versions6

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

User Reviews

Version History

Version-to-Version Code Diff

Code Diff

Extension Files

User Reviews

User Growth

Rating Count

Average Rating