Rule History

SID: 2035623 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 28, 2022, 12:00 PM

Message:

ET MALWARE Suspected SmokeLoader Retrieving Next Stage (GET)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected SmokeLoader Retrieving Next Stage (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/smoke/loader/uploads/"; startswith; fast_pattern; http.header_names; content:"|0d 0a|Host|0d 0a|Connection|0d 0a 0d 0a|"; bsize:22; reference:md5,bfbf171b4ebc5286c78d718e445c65fb; classtype:trojan-activity; sid:2035623; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_28, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_28;)

Created:

Mar 28, 2022, 12:00 PM

Updated:

Mar 28, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 4, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules