""ET TROJAN Win32/Vermilion Stager Activity (GET)""
SID: 2033930
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2021_09_13, updated_at 2021_09_13
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/microsoft/en-us/logo.aspx"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/\x3a\x20[^\r\n]+\r\nContent-Type\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nCache-Control\x3a\x20[^\r\n]+[\r\n]+$/H"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header