""ET TROJAN MSIL/PSW.Agent.SUD Zipped Data Exfil""

SID: 2037240

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_30, deployment Perimeter, signature_severity Major, updated_at 2022_06_30, reviewed_at 2024_07_30

Reference:

  • md5

  • 023e3c7d1de10006b4c52d09aadefc1f

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 25566

Flow: established,to_server

Contents:

  • Value: "|23 23 23|" Depth: 3

  • Value: "|23 23 23|"

  • Value: "|23 23 23|"

Within: 86

PCRE: "/^###\d+###[a-zA-Z0-9-.]{2,63}###\x00+$/"

Special Options:

  • fast_pattern

source