Rule History

SID: 2002918 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 6 • Jul 30, 2010, 12:00 PM

Message:

ET EXPLOIT VNC Server VNC Auth Offer - No Challenge string

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT VNC Server VNC Auth Offer - No Challenge string"; flowbits:isset,BSis.vnc.setup; flow:established; dsize:2; content:"|01 02|"; depth:2; flowbits:noalert; flowbits:set,BSvnc.auth.offered; reference:url,www.realvnc.com/docs/rfbproto.pdf; classtype:misc-activity; sid:2002918; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 10, 2025, 10:34 PM

Filename:

rules/emerging-exploit.rules