""ET TROJAN Houdini/Hworm CnC Checkin M1""

SID: 2023429

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 2016_10_26, deployment Perimeter, malware_family Houdini, malware_family Hworm, performance_impact Low, signature_severity Major, updated_at 2016_11_03

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "new_houdini|0d 0a|" Depth: 13 Offset: 4

  • Value: "|0d 0a|"

  • Value: "|0d 0a|"

  • Value: "|0d 0a|"

Within:

PCRE:

Special Options:

  • fast_pattern

source