""ET TROJAN Win32/Ymacco.AA2F Checking (Multiple OS)""
SID: 2031465
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_12_29, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2020_12_30
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 8000
Flow: established,to_server
Contents:
- Value: "GET /banner HTTP"
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
- fast_pattern