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Thread: fuzzer tcp ip and firewall

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  1. #1
    Just burned his ISO
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    Default fuzzer tcp ip and firewall

    Hi all. Anybody knows any fuzzer that works with tcp ip packets?
    Im searching one fuzzer to audit the xp sp2 firewall. Ill try CIRT fuzzer but i dont know what port to use. Xp firewall like a network service has got any port?
    Thx

  2. #2
    Super Moderator Archangel-Amael's Avatar
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    Default Re: fuzzer tcp ip and firewall

    You will need to check the ones that are available in BT and or the internet.

  3. #3
    Junior Member skidmarq's Avatar
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    Default Re: fuzzer tcp ip and firewall

    Just out of curiosity, what are you trying to do exactly that would require a TCP "fuzzer"?
    I got 99 problems but the bits ain't one...

  4. #4
    Super Moderator lupin's Avatar
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    Default Re: fuzzer tcp ip and firewall

    Do you understand what your fuzzing requirements are? Are you trying to fuzz the fields in the IP or TCP headers, or do you actually want to send malformed data within TCP segments or UDP datagrams? Are you trying to see if certain oddly formed fields in the TCP or IP headers allow a firewall bypass?
    Capitalisation is important. It's the difference between "Helping your brother Jack off a horse" and "Helping your brother jack off a horse".

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  5. #5
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    Default Re: fuzzer tcp ip and firewall

    Like you say. Im trying to see if certain oddly formed fields in the TCP or IP headers allow a firewall bypass. But i dont know exactly how to do it. Like you see, firewalls bypassing are my obsesion.

  6. #6
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    Default Re: fuzzer tcp ip and firewall

    Hi, my question is how do i get to combine several evasion techniques to deliver a payload to a vulnerable host bypass the NIDS? Is there a way i could append a malformed payload from metasploit?

    Thanks

  7. #7
    Super Moderator lupin's Avatar
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    Default Re: fuzzer tcp ip and firewall

    Perhaps try with Scapy then.
    Capitalisation is important. It's the difference between "Helping your brother Jack off a horse" and "Helping your brother jack off a horse".

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