""ET TROJAN JS/UnkRAT RC4 Encrypted Payload Inbound""

SID: 2054103

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_06_27, deployment Perimeter, confidence High, signature_severity Critical, updated_at 2024_06_27

Reference:

  • md5

  • 2b1aadc3c4eebdd8b4bbd4cbb1fb2468

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|b3 4c 86 f4 77 36 f2 88 6a a6 82 2f 03 a7 f1 12 c9 1b 49 b9 a7 37 ae 20 f3 66 b7 41 91|" Depth: 29

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source