ET EXPLOIT ysoserial Payload in HTTP URI (CommonsCollections1/CommonsCollections3) M1

Query · suricata

flow:established,to_server;
http.uri;
content:"//68AMYDAAAFAHMAcgAAADIAcwB1AG4ALgByAGUAZgBsAGUAYwB0AC4AYQBuAG4AbwB0AGEAdABpAG8AbgAuAEEAbgBuAG8"; fast_pattern;
Raw source ET EXPLOIT ysoserial Payload in HTTP URI (CommonsCollections1/CommonsCollections3) M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT ysoserial Payload in HTTP URI (CommonsCollections1/CommonsCollections3) M1";
    flow:established,to_server;
    http.uri;
    content:"//68AMYDAAAFAHMAcgAAADIAcwB1AG4ALgByAGUAZgBsAGUAYwB0AC4AYQBuAG4AbwB0AGEAdABpAG8AbgAuAEEAbgBuAG8"; fast_pattern;
    classtype:attempted-admin;
    sid:2033470; rev:1;
    metadata:attack_target Server, created_at 2021_07_28, deployment Perimeter, deployment Internal, malware_family ysoserial, confidence High, signature_severity Major, tag Exploit, tag possible_exploitation, updated_at 2021_07_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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