""ET TROJAN Suspicious POST with Common Windows Process Names - Possible Process List Exfiltration""

SID: 2027117

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_26, deployment Perimeter, performance_impact Low, signature_severity Major, tag Suspicious_POST_body, updated_at 2019_03_28

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: "csrss.exe"

  • Value: "explorer.exe"

  • Value: "svchost.exe"

  • Value: "lsass.exe"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

source