ET EXPLOIT Targeted Attack from APT Actor Delivering HT SWF Exploit RIP

Query · suricata

flow:established,from_server;
file_data;
content:"|67 5f 6f 3d 69 65 56 65 72 73 69 6f 6e 28 29 3b|"; nocase; fast_pattern;
content:"|67 65 74 42 69 74 73 28 29 3b|"; nocase;
content:"var ";
pcre:"/^\s*?(?P<var>[^=\s\x3b]+)\s*?=\s*?getBits\(\s*?\)\x3b.+?flashvars\s*?=\s*?\x5c\x22(?P=var)\s*?=\s*?\x22\s*?\+\s*?(?P=var)\s*?\+\s*?\x22\x5c\x22/Rsi";
Raw source ET EXPLOIT Targeted Attack from APT Actor Delivering HT SWF Exploit RIP · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Targeted Attack from APT Actor Delivering HT SWF Exploit RIP";
    flow:established,from_server;
    file_data;
    content:"|67 5f 6f 3d 69 65 56 65 72 73 69 6f 6e 28 29 3b|"; nocase; fast_pattern;
    content:"|67 65 74 42 69 74 73 28 29 3b|"; nocase;
    content:"var ";
    pcre:"/^\s*?(?P<var>[^=\s\x3b]+)\s*?=\s*?getBits\(\s*?\)\x3b.+?flashvars\s*?=\s*?\x5c\x22(?P=var)\s*?=\s*?\x22\s*?\+\s*?(?P=var)\s*?\+\s*?\x22\x5c\x22/Rsi";
    classtype:targeted-activity;
    sid:2021405; rev:5;
    metadata:created_at 2015_07_13, confidence High, signature_severity Major, updated_at 2019_10_08;
)

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