""ET TROJAN Win32/Unknown Stealer CnC Log Exfil""
SID: 2037088
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_06_22, deployment Perimeter, signature_severity Major, updated_at 2022_06_22
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 1024:
Flow: established,to_server
Contents:
- Value: "log|5b|split|5d|" Depth: 10
Within:
PCRE: "/^\x5b[A-Z]{2}\x5d\x20[A-Z0-9]{32}\x20\x5b[0-9]{2}\x2d[0-9]{2}\x2d[0-9]{4}\x20[0-9]{2}\x2d[0-9]{2}\x2d[0-9]{2}\x5d\x5bsplit\x5d/R"
Special Options:
- fast_pattern