ET ADWARE_PUP Win32/Generic Loader Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?a="; fast_pattern;
content:"&cc="; distance:0;
content:"&t="; distance:2; within:3;
http.user_agent;
content:"InnoDownloadPlugin"; startswith;
http.header_names;
content:!"Referer|0d 0a|";
target:src_ip;
Raw source ET ADWARE_PUP Win32/Generic Loader Activity (GET) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Win32/Generic Loader Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?a="; fast_pattern;
    content:"&cc="; distance:0;
    content:"&t="; distance:2; within:3;
    http.user_agent;
    content:"InnoDownloadPlugin"; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,fae39eb694e97da959edcf94abf038bd;
    classtype:trojan-activity;
    sid:2052455; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_07, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_07;
    target:src_ip;
)

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.