ET EXPLOIT Samba rsync s2length Checksum Length Heap Buffer Overflow (CVE-2024-12084)

Query · suricata

flow:established,to_server;
content:"|40|RSYNCD|3a|"; fast_pattern;
content:"--server";
content:"--sender";
content:"|00 00 07|";
content:"|0e|"; distance:0;
byte_test:1,&,0x80,0,relative;
byte_test:4,>,16,9,relative,little;
byte_test:4,<,65,9,relative,little;
target:dest_ip;
Raw source ET EXPLOIT Samba rsync s2length Checksum Length Heap Buffer Overflow (CVE-2024-12084) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> $HOME_NET 873 (
    msg:"ET EXPLOIT Samba rsync s2length Checksum Length Heap Buffer Overflow (CVE-2024-12084)";
    flow:established,to_server;
    content:"|40|RSYNCD|3a|"; fast_pattern;
    content:"--server";
    content:"--sender";
    content:"|00 00 07|";
    content:"|0e|"; distance:0;
    byte_test:1,&,0x80,0,relative;
    byte_test:4,>,16,9,relative,little;
    byte_test:4,<,65,9,relative,little;
    reference:cve,2024-12084;
    classtype:attempted-user;
    sid:2067354; rev:2;
    metadata:affected_product Samba, attack_target Server, created_at 2026_02_06, cve CVE_2024_12084, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, updated_at 2026_02_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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