Rule History

SID: 2025593 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jun 14, 2018, 12:00 PM

Message:

ET WEB_SERVER Weevely PHP backdoor detected (passthru() function used) M2

Rule:

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Weevely PHP backdoor detected (passthru() function used) M2"; flow:to_server,established; http.header; content:"BwYXNzdGhydSgn"; reference:url,bechtsoudis.com/security/put-weevely-on-the-your-nids-radar; classtype:web-application-activity; sid:2025593; rev:3; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2018_06_14, deployment Datacenter, malware_family weevely, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25;)

Created:

Jun 14, 2018, 12:00 PM

Updated:

Aug 25, 2020, 12:00 PM

DB Created:

Jun 14, 2018, 12:00 PM

DB Updated:

Sep 29, 2025, 9:34 PM

Filename:

rules/emerging-web_server.rules