""ET TROJAN Win32/Unknown InfoStealer CnC Checkin""

SID: 2051603

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_11, deployment Perimeter, confidence High, signature_severity Major, tag InfoStealer, updated_at 2024_03_11

Reference:

  • md5

  • efe6c1af337c32af1e66ed70ceb34dea

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|ff ff 02 28 00|" Depth: 5

Within:

PCRE:

Special Options:

  • fast_pattern

source