ET CHAT GaduGadu Chat Server Login OK Packet

Query · suricata

flowbits:isset,ET.gadu.loginsent;
flow:established,from_server;
content:"|03 00 00 00|"; depth:4;
byte_jump:4,0,relative,little,post_offset -1;
isdataat:!2,relative;
flowbits:set,ET.gadu.loggedin;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Feeds into

  • 10 rules read ET.gadu.loggedin · view all
Raw source ET CHAT GaduGadu Chat Server Login OK Packet · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET 8074 -> $HOME_NET any (
    msg:"ET CHAT GaduGadu Chat Server Login OK Packet";
    flowbits:isset,ET.gadu.loginsent;
    flow:established,from_server;
    content:"|03 00 00 00|"; depth:4;
    byte_jump:4,0,relative,little,post_offset -1;
    isdataat:!2,relative;
    flowbits:set,ET.gadu.loggedin;
    reference:url,piotr.trzcionkowski.pl/default.asp?load=/programy/pppgg_protokol.html;
    classtype:policy-violation;
    sid:2008299; rev:4;
    metadata:created_at 2010_07_30, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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