""ET TROJAN Win32/Sinresby.B Downloader CnC Activity M2""
SID: 2033793
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_08_25, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_25
Reference:
-
md5
-
8049009d9675d5ac345ce96d1a7c9e67
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "|00 00 00 7b 22 63 67 69 22 3a 31|" Depth: 11 Offset: 1
-
Value: "|22|data|22 3a 7b 22|mac|22 3a 22|"
-
Value: "|22 2c 22|pc|22 3a 22|"
Within:
PCRE:
Special Options:
- fast_pattern