Rule History

SID: 2035632 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1 • Nov 16, 2021, 12:00 PM

Message:

ET MALWARE Win32/Farfli.CUY KeepAlive M1

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Farfli.CUY KeepAlive M1"; dsize:16; flow:established,to_server; stream_size:client,>,200; content:"|68 78 20 10 00 00 00 01 00 00 00 01 00 00 00 c9|"; reference:md5,0428de20539f8341f0987457bc96fd9f; reference:md5,57e582c2a00cfb50a748b78b6c17ee74; classtype:command-and-control; sid:2035632; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_11_16, deployment Perimeter, malware_family Win32_Farfli_CUY, confidence High, signature_severity Major, updated_at 2021_11_16, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)

Created:

Nov 16, 2021, 12:00 PM

Updated:

Nov 16, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 21, 2024, 3:00 AM

Filename:

rules/emerging-malware.rules