TROJAN: QAZ TCP/139 Scan
This signature detects TCP packets sent from a remote system to local server port 139. This can indicate an attacker is attempting to scan the network for the Trojan/Worm QAZ. The QAZ Trojan/Worm, famous for infecting the Microsoft network October 2000, allows attackers to access data and gain control over some functions on remote Microsoft Windows systems.
Extended Description
Qaz is a worm. It spreads via NetBIOS, modifies the registry, changes the Notepad executable file, and opens a backdoor for further attacks.
Short Name
TROJAN:QAZ:TCP139-SCAN
Severity
Major
Recommended
False
Recommended Action
Drop
Category
TROJAN
Keywords
CVE-1999-0660 QAZ Scan TCP/139
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
3324
Port
TCP/139
False Positive
Unknown
CVSS Score
8.8