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42 lines
948 B
Plaintext
42 lines
948 B
Plaintext
tcpdump(1) hacked to better understand SMB packets.
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smbtcpdump gives the ability to interpret NBT and SMB packets in a fair bit
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of detail.
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To capture all SMB packets going to or from host "fred" try this:
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tcpdump -s 1500 'port 139 and host fred'
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If you want name resolution or browse packets then try ports 137 and
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138 respectively:
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tcpdump -s 1500 '(port 139 or 138 or 137) and host fred'
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Example Output:
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Here is a sample of a capture of a "SMBsearch" directory search. If
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you don't get output that looks like this then smbtcpdump is not working
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correctly.
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NBT Session Packet
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Flags=0x0
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Length=57
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SMB PACKET: SMBsearch (REQUEST)
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SMB Command = 0x81
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Error class = 0x0
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Error code = 0
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Flags1 = 0x8
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Flags2 = 0x3
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Tree ID = 2048
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Proc ID = 11787
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UID = 2048
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MID = 11887
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Word Count = 2
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smbvwv[]=
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Count=98
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Attrib=HIDDEN SYSTEM DIR
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smbbuf[]=
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Path=\????????.???
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BlkType=0x5
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BlkLen=0
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