PHP_PBOT.SM
Backdoor:PHP/Hiebot.E(Microsoft), PHP/Pbot.A trojan(ESET), Backdoor.PHP.Pbot.g(Kaspersky), Troj/PHPBot-F(Sophos), Backdoor.PHP.Pbot(Ikarus)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be hosted on a website and run when a user accesses the said website.
It executes commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
Arrival Details
This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It may be hosted on a website and run when a user accesses the said website.
Backdoor Routine
This backdoor connects to any of the following IRC server(s):
- {BLOCKED}.{BLOCKED}.144.140:6667
- {BLOCKED}.{BLOCKED}.146.114:6660
It joins any of the following IRC channel(s):
- #puteri
- #pbot
It executes the following commands from a remote malicious user:
- sends an email
- DNS lookup
- Downloads a file
- Executes Shell Command
- Gets system information
- Executes php code
- TCP flood attack
- UDPflood attack
- Executes raw IRC command
- Port scan
- Reports the following information:
- System's OS
- Server Software
- Host Name
- Server Name
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Scan your computer with your Trend Micro product to delete files detected as PHP_PBOT.SM. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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