ET WEB_CLIENT Generic Mailer Check Accessed on External Server

Query · suricata

flow:established,to_client;
file.data;
content:"Check  Mailling ..<br>"; nocase; fast_pattern;
content:"<input type=|22|submit|22 20|value=|22|Send test >>|22|>"; nocase; distance:0;
Raw source ET WEB_CLIENT Generic Mailer Check Accessed on External Server · 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 WEB_CLIENT Generic Mailer Check Accessed on External Server";
    flow:established,to_client;
    file.data;
    content:"Check  Mailling ..<br>"; nocase; fast_pattern;
    content:"<input type=|22|submit|22 20|value=|22|Send test >>|22|>"; nocase; distance:0;
    classtype:web-application-attack;
    sid:2030063; rev:4;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_29, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19;
)

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.