ET EXPLOIT Possible iOS MobileMail OOB Write/Heap Overflow Exploit Email (Inbound)

Query · suricata

flow:established,to_server;
pcre:"/(?:\x0a|\\n)\/s1Caa6/";
content:"J1Ls9RWH"; fast_pattern;
Raw source ET EXPLOIT Possible iOS MobileMail OOB Write/Heap Overflow Exploit Email (Inbound) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smtp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Possible iOS MobileMail OOB Write/Heap Overflow Exploit Email (Inbound)";
    flow:established,to_server;
    pcre:"/(?:\x0a|\\n)\/s1Caa6/";
    content:"J1Ls9RWH"; fast_pattern;
    reference:url,blog.zecops.com/vulnerabilities/unassisted-ios-attacks-via-mobilemail-maild-in-the-wild/;
    classtype:attempted-admin;
    sid:2030009; rev:1;
    metadata:attack_target Mobile_Client, created_at 2020_04_23, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2020_04_23;
)

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