ET EXPLOIT Apache Spark RPC - Unauthenticated RegisterApplication Request - RCE Attempt (CVE-2020-9480)

Query · suricata

flow:established,to_server;
flowbits:set,ET.ApacheSpark_UnauthRegisterApplication;
flowbits:isnotset,ET.ApacheSpark_AuthAttempted;
flowbits:isnotset,ET.ApacheSpark_CE;
content:"org.apache.spark.deploy.DeployMessages$RegisterApplication";
content:"spark.driver.port="; distance:0;
pcre:"/^\d+..(?:[\x60\x3b\x7c]|%60|%3b|%7c|%26|(?:[\x3c\x3e\x24]|%3c|%3e|%24)(?:\x28|%28))-XX:OnOutOfMemoryError=/R";
content:"-XX:OnOutOfMemoryError="; fast_pattern;

Rule dependencies

Excludes

  • ET.ApacheSpark_AuthAttempted — excluded, not a dependency
  • ET.ApacheSpark_CE — excluded, not a dependency

Feeds into

  • 1 rule read ET.ApacheSpark_UnauthRegisterApplication · view all
Raw source ET EXPLOIT Apache Spark RPC - Unauthenticated RegisterApplication Request - RCE Attempt (CVE-2020-9480) · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt any any -> $HOME_NET any (
    msg:"ET EXPLOIT Apache Spark RPC - Unauthenticated RegisterApplication Request - RCE Attempt (CVE-2020-9480)";
    flow:established,to_server;
    flowbits:set,ET.ApacheSpark_UnauthRegisterApplication;
    flowbits:isnotset,ET.ApacheSpark_AuthAttempted;
    flowbits:isnotset,ET.ApacheSpark_CE;
    content:"org.apache.spark.deploy.DeployMessages$RegisterApplication";
    content:"spark.driver.port="; distance:0;
    pcre:"/^\d+..(?:[\x60\x3b\x7c]|%60|%3b|%7c|%26|(?:[\x3c\x3e\x24]|%3c|%3e|%24)(?:\x28|%28))-XX:OnOutOfMemoryError=/R";
    content:"-XX:OnOutOfMemoryError="; fast_pattern;
    reference:cve,2020-9480;
    reference:url,www.youtube.com/watch?v=EAzdGo-i8vE;
    reference:url,github.com/ayoul3/sparky/;
    classtype:attempted-admin;
    sid:2035005; rev:2;
    metadata:attack_target Server, created_at 2022_01_28, cve CVE_2020_9480, deployment Internal, deployment Datacenter, confidence High, signature_severity Major, updated_at 2022_01_28;
)

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