""ET TROJAN Zeus POST Request to CnC sk1 and bn1 post parameters""
SID: 2014218
Revision: 4
Class Type: trojan-activity
Metadata: created_at 2012_02_10, updated_at 2013_05_02
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: "bn1=" Depth: 4
-
Value: "&sk1="
Within:
PCRE: "/&sk1=[A-F0-9]{30}/P"
Special Options:
-
nocase
-
http_method
-
http_client_body
-
fast_pattern
-
http_client_body