""ET TROJAN Joanap CnC Checkin""
SID: 2021730
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2015_08_31, updated_at 2016_05_27
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: to_server,established
Contents:
-
Value: "|20|" Depth: 2 Offset: 3
-
Value: ".ico"
-
Value: "|20|HTTP/1."
-
Value: "User-Agent|3a 20|Mozillar"
-
Value: !"Referer|3a|"
Within:
PCRE:
Special Options:
- fast_pattern