Backdoor.Win32.Bushtrommel.122 / Unauthenticated Remote Command Execution

2022.08.06
us malvuln (US) us
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022 Original source: https://malvuln.com/advisory/76c09bc82984c7f7ef55eb13018e0d87_B.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Bushtrommel.122 Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP port 31745 and 1030. Adversaries who can reach infected hosts can run commands made available by the backdoor. The "*RUN" command calls CreateProcess() based on CL input, errors will result in a pop up dialog on the infected host: "CreateProcess() in function () GetConsoleOuput() failed!". Correct syntax is as follows *RUN"calc.exe", successful code execution results in the response "*EVA*" from the backdoored host. Family: Bushtrommel Type: PE32 MD5: 76c09bc82984c7f7ef55eb13018e0d87 Vuln ID: MVID-2022-0630 Disclosure: 08/04/2022 Exploit/PoC: C:\>nc64.exe x.x.x.x 31745 *PASS**RUN"calc.exe" *EVA* C:\>nc64.exe x.x.x.x 31745 *PASS**RUN"c:\DOOM.exe" *EVA* 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).


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