""ET TROJAN Win32/SystemBC CnC Checkin (null key) M1""

SID: 2033004

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_05_20, deployment Perimeter, malware_family SystemBC, performance_impact Moderate, signature_severity Major, updated_at 2021_05_20

Reference:

  • md5

  • b8fb4ba9ef16fcaa442c2857bb045640

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|" Depth: 50

  • Value: "|89 40|"

  • Value: "|46 ad 57 90|"

Within: 2

PCRE:

Special Options:

  • fast_pattern

source