""ET TROJAN Suspected Kapeka/ICYWELL Backdoor Server Response (execute command)""

SID: 2052172

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_04_19, deployment Perimeter, deployment SSLDecrypt, malware_family SANDWORM, malware_family APT44, confidence Medium, signature_severity Critical, tag RAT, updated_at 2024_04_19

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|3a 20 22|Execute|20|command|22|,"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source