""ET TROJAN Bitter RAT TCP CnC Beacon""

SID: 2023399

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_10_24, deployment Perimeter, malware_family Bitter_implant, signature_severity Major, tag c2, updated_at 2016_10_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 6e855944d171a3acbb64635dbe7a9c62

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "BITTER1234" Depth: 10

Within:

PCRE:

Special Options:

source