ET HUNTING Observed Zip Slip in TAR Archive (..\\) Inbound M2

Query · suricata

flow:established,to_client;
file.magic;
content:"POSIX tar archive";
file.data;
content:"|00 00 00 2e 2e 5c|"; fast_pattern;
target:dest_ip;
Raw source ET HUNTING Observed Zip Slip in TAR Archive (..\\) Inbound M2 · 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 any (
    msg:"ET HUNTING Observed Zip Slip in TAR Archive (..\\) Inbound M2";
    flow:established,to_client;
    file.magic;
    content:"POSIX tar archive";
    file.data;
    content:"|00 00 00 2e 2e 5c|"; fast_pattern;
    reference:url,security.snyk.io/research/zip-slip-vulnerability;
    classtype:misc-attack;
    sid:2064950; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2025_09_29, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_29, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
    target:dest_ip;
)

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