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Bug #4767

closed

Rule error in SMB dce_iface and dce_opnum keywords

Added by Eloy Pérez about 3 years ago. Updated over 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Eloy Pérez
Target version:
7.0.0-beta1
Affected Versions:
6.0.1
Effort:
Difficulty:
Label:

Description

The SMB dce_iface and dce_opnum keywords don't match.

Following rule and the associated pcap can be used to test this behavior:

alert smb any any -> any any (\
      msg: "SMB-DCE EnumPrinterDrivers";\
      dce_iface: 12345678-1234-abcd-ef00-0123456789ab;\
      dce_opnum: 10;\
      sid: 1;\
      )

Files

test-smb-dcerpc.pcapng (13.4 KB) test-smb-dcerpc.pcapng Pcap with SMB DCERPC traffic to test Eloy Pérez, 10/20/2021 09:56 AM

Subtasks 2 (0 open — 2 closed)

Bug #4925: Rule error in SMB dce_iface and dce_opnum keywords (6.0.x backport)ClosedEloy PérezActions
Bug #4926: Rule error in SMB dce_iface and dce_opnum keywords (5.0.x backport)ClosedVictor JulienActions

Related issues 2 (0 open — 2 closed)

Related to Suricata - Bug #4769: dcerpc dce_iface just match a packetClosedEloy PérezActions
Related to Suricata - Bug #3109: dcerpc engine not generating alertsClosedShivani BhardwajActions
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 #1

Updated by Victor Julien about 3 years ago

  • Related to Bug #4769: dcerpc dce_iface just match a packet added
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 #2

Updated by Victor Julien about 3 years ago

  • Related to Bug #3109: dcerpc engine not generating alerts added
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 #3

Updated by Shivani Bhardwaj almost 3 years ago

  • Status changed from New to Assigned
  • Target version set to 7.0.0-beta1
  • Label Needs backport to 5.0, Needs backport to 6.0 added
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 #4

Updated by Shivani Bhardwaj almost 3 years ago

  • Copied to Bug #4925: Rule error in SMB dce_iface and dce_opnum keywords (6.0.x backport) added
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 #5

Updated by Shivani Bhardwaj almost 3 years ago

  • Copied to Bug #4926: Rule error in SMB dce_iface and dce_opnum keywords (5.0.x backport) added
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 #6

Updated by Shivani Bhardwaj almost 3 years ago

  • Status changed from Assigned to Closed
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 #7

Updated by Victor Julien over 2 years ago

  • Label deleted (Needs backport to 5.0, Needs backport to 6.0)
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