Rule History

SID: 2031514 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jan 12, 2021, 12:00 PM

Message:

ET WEB_CLIENT Generic Mailer Accessed on External Compromised Server

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Generic Mailer Accessed on External Compromised Server"; flow:established,to_client; file.data; content:">EMAIl|3a|"; nocase; content:"SUBJECT|3a 20|<input name=|22|assunto|22|"; nocase; distance:0; content:"type=|22|submit|22 20|name=|22|Enoc|22 20|value=|22|FIRE DOWN|22|"; nocase; distance:0; fast_pattern; classtype:web-application-attack; sid:2031514; rev:2; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2021_01_12, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_12;)

Created:

Jan 12, 2021, 12:00 PM

Updated:

Jan 12, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 15, 2025, 9:36 PM

Filename:

rules/emerging-web_client.rules