""ET TROJAN Zenlod System Information Retrieval""

SID: 2046299

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 2023_06_16, deployment Perimeter, deployment SSLDecrypt, malware_family Zenlod, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_06_16

Reference:

  • md5

  • 4a6607b893f3351f79a545861e08e329

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/J?" Depth: 3

  • Value: "W1N5c3RlbSBQcm9jZXNzXT" Depth: 22

Within:

PCRE: "/Accept\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\nCache-Control[^\r\n]+\r\n\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

source