""ET TROJAN Win32/Farfli.CUY KeepAlive M1""

SID: 2035632

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_11_16, deployment Perimeter, signature_severity Major, updated_at 2021_11_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 57e582c2a00cfb50a748b78b6c17ee74

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|68 78 20 10 00 00 00 01 00 00 00 01 00 00 00 c9|"

Within:

PCRE:

Special Options:

source