Backdoor.PHP.WEBSHELL.BGHIOQ
Windows, Linux, MacOS
Threat Type: Backdoor
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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.
It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine. This malicious script runs on web browsers, which may be installed on any operating system.
TECHNICAL DETAILS
597 bytes
PHP
No
28 May 2019
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 executes the following commands from a remote malicious user:
- Execute arbitrary code
Other Details
This Backdoor does the following:
- It receive codes from the attacker via POST command on this hosted php file with the variable "n9e5e25".
It requires being hosted on a web server in order to proceed with its intended routine.
It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.
This malicious script runs on web browsers, which may be installed on any operating system.
SOLUTION
9.850
15.140.02
29 May 2019
15.141.00
30 May 2019
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to delete files detected as Backdoor.PHP.WEBSHELL.BGHIOQ. 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 the following Trend Micro Support pages for more information:
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