ET EXPLOIT Possible Zephyr RTOS ICMPv4 Stack Buffer Overflow

Query · suricata

icode:0;
dsize:>120;
content:"|30 31 32 07 80|"; fast_pattern;
content:"|00|"; endswith;
Raw source ET EXPLOIT Possible Zephyr RTOS ICMPv4 Stack Buffer Overflow · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert icmp $EXTERNAL_NET any -> any any (
    msg:"ET EXPLOIT Possible Zephyr RTOS ICMPv4 Stack Buffer Overflow";
    icode:0;
    dsize:>120;
    content:"|30 31 32 07 80|"; fast_pattern;
    content:"|00|"; endswith;
    reference:url,research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment/;
    classtype:bad-unknown;
    sid:2030242; rev:1;
    metadata:created_at 2020_06_02, deployment Perimeter, confidence Low, signature_severity Minor, updated_at 2020_06_02;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.