SID: 2046283

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target SMTP_Server, created_at 2023_06_15, deployment Perimeter, malware_family UNC4841, performance_impact Low, signature_severity Major, updated_at 2023_06_15, reviewed_at 2023_10_06

Reference:

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|0d|fessionalwork|03|com|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source