""ET MOBILE_MALWARE Observed Oscorp/UBEL CnC Domain (smoothcbots .xyz in TLS SNI)""

SID: 2033675

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2021_08_05, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_05

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00 0f|smoothcbots.xyz"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source