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New Member

Signature 3323 RF Poison

I upgraded to 4.1-3-S61 and am now getting several rf poison signatures throught the internal network. Does anybody know what process might trigger this alert and how to filter it other than disabling the sig?

  • Other Security Subjects
3 REPLIES
Cisco Employee

Re: Signature 3323 RF Poison

We have had several cases of 3323 firing since S61. We made some changes to the SMB engine in order to cover the lastest Microsoft vulnerabilities. It appears that in doing so, the 3323 logic loosened up and is now false positive firing. We recommend disabling the signature and will work on having it fixed in the next signature update.

Scott C

New Member

Re: Signature 3323 RF Poison

I have been getting large amounts of events at the mgt station for the signature SMB:RFPoison Attack ID: 3323. Can you tell me if the problem that was addressed in this thread has been resolved? i am a 4.1-3s81 on the sensors

Cisco Employee

Re: Signature 3323 RF Poison

There is a fix in the upcoming 4.1.4 release

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