""ET TROJAN Crimson RAT CnC Victim Details Exfil""

SID: 2054812

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_07_31, deployment Perimeter, malware_family CrimsonRAT, confidence High, signature_severity Critical, updated_at 2024_07_31

Reference:

  • md5

  • f5380e7a6e15a0ef27e6f31fcc29ed4d

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|" Depth: 4 Offset: 1

  • Value: "="

  • Value: "|00 00 00 7c|"

  • Value: "|7c 7c|C|3a 5c|Users|5c|"

Within: 5

PCRE:

Special Options:

  • fast_pattern

source