Backdoor.Win64.BADIIS.B

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Übertragungsdetails

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

Schleust die folgenden Dateien ein:

• %Temp%\TS_7E49.tmp → log file of HTTP requests

(Hinweis: %Temp% ist der Windows Ordner für temporäre Dateien, normalerweise C:\Windows\Temp oder C:\WINNT\Temp.)

Andere Details

Es macht Folgendes:

• It parses all incoming HTTP requests with the string "password" on its body.
• It checks for a hardcoded password on the following headers to proceed to its backdoor routine:
  • If-Match-Pord
• It checks the following headers for the backdoor commands:
  • If-Modified-Match
• It interprets the following messages as its backdoor commands:
  • TMC/ - Execute shell command via cmd.exe
• TMP/ - Dumps the file content into a file with the specified name
• TMI/ - Injects code to legitimate %System%\credwiz.exe
• TMD/ - Read the contents of the log file

(Hinweis: %System% ist der Windows Systemordner. Er lautet in der Regel C:\Windows\System unter Windows 98 und ME, C:\WINNT\System32 unter Windows NT und 2000 sowie C:\Windows\System32 unter Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) and 10(64-bit).)