ET EXPLOIT F5 BIG-IP rsync cmi authorized_keys successful exfiltration

Query · suricata

flow:from_server,established;
content:"ssh-rsa"; fast_pattern;
flowbits:isset,ET.F5.key;

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

Raw source ET EXPLOIT F5 BIG-IP rsync cmi authorized_keys successful exfiltration · 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 873 -> any any (
    msg:"ET EXPLOIT F5 BIG-IP rsync cmi authorized_keys successful exfiltration";
    flow:from_server,established;
    content:"ssh-rsa"; fast_pattern;
    flowbits:isset,ET.F5.key;
    reference:url,www.security-assessment.com/files/documents/advisory/F5_Unauthenticated_rsync_access_to_Remote_Root_Code_Execution.pdf;
    classtype:attempted-admin;
    sid:2019089; rev:4;
    metadata:created_at 2014_08_29, signature_severity Critical, updated_at 2023_05_30;
)

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