TROJAN: BackConstruction Connection
This signature detects outbound TCP connections that are using a local FTP server installed on ports 5400, 5401 and 5402. This can indicate that BackConstruction, a basic file server Trojan, is in use on the network. Attackers can use a previously installed FTP server to upload/download files.
Extended Description
A remote attacker could take control of the system.
Short Name
TROJAN:BACKCONSTR:CONNECTION
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
TROJAN
Keywords
BackConstruction CVE-1999-0660 Connection
Release Date
04/22/2003
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3725
Port
TCP/5400-5402
False Positive
Unknown
CVSS Score
8.8