PHP_SHELLY.SMD

August 15, 2013

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 ALIASES:

Backdoor:PHP/Shell.C (Microsoft), W32.IRCBot (Symantec), Backdoor.PHP.AMJ (FSecure), PHP/IRCBOT.EZ.1 (Antivir), PHP/Pbot.D (F-Prot), PHP.ShellExec (ClamAV), PHP/IRCBot.KJ!tr.bdr (Fortinet), Backdoor.PHP.Pbot (Ikarus), NetTool.PHP.Pbot.a (VBA32)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

 INFORMATION EXPOSURE:

• 
  Threat Type: Backdoor
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  TECHNICAL DETAILS

File Size:

Varies

File Type:

Script

Memory Resident:

No

Initial Samples Received Date:

01 Sep 2011

NOTES:
This is the Trend Micro detection for: PHP scripts in compromised Web servers that wait for a connection from a remote host. Once a connection is established, a remote malicious user may then execute malicious commands that are passed as parameters to HTTP requests.