""ET TROJAN Win32/Filecoder.GC CnC Credentials Exfil""

SID: 2038620

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_08_25, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_08_25

Reference:

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: "|7b 22|content|22 3a 22 2a 2a|Super|20|duper|20|good|20|and|20|jealous|20|software|2a 2a|" Depth: 53

  • Value: "UID|3a|"

  • Value: "Pass|3a|"

  • Value: "Username|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source