HTTP: Internet Explorer <BGSOUND> Tag NetBIOS Call
This signature detects attempts to exploit a known vulnerability in the BGSOUND tag in Microsoft Internet Explorer. Attackers can include a reference to a file located on a NetBIOS share in the SRC value of the BGSOUND tag to trick viewers using Internet Explorer into exposing their cleartext password or NTLMv1 challenge.
References
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3