27 lines
873 B
Text
27 lines
873 B
Text
|
|
rule merlinAgent {
|
|
meta:
|
|
description = "Detects Merlin agent"
|
|
filetype = "pe, elf, mach"
|
|
author = "Hilko Bengen"
|
|
reference = "https://github.com/Ne0nd0g/merlin"
|
|
date = "2017-12-26"
|
|
id = "92346a3f-dce4-58db-893b-b7797fa20029"
|
|
strings:
|
|
$x1 = "Command output:\x0d\x0a\x0d\x0a%s"
|
|
$x2 = "[-]Connecting to web server at %s to update agent configuration information."
|
|
$x3 = "[-]%d out of %d total failed checkins"
|
|
$x4 = "[!}Unknown AgentControl message type received %s"
|
|
$x5 = "[-]Received Agent Kill Message"
|
|
$x6 = "[-]Received Server OK, doing nothing"
|
|
$x7 = "[!]There was an error with the HTTP client while performing a POST:"
|
|
$x8 = "[-]Sleeping for %s at %s"
|
|
|
|
$s1 = "Executing command %s %s %s"
|
|
$s2 = "[+]Host Information:"
|
|
$s3 = "\tHostname: %s"
|
|
$s4 = "\tPlatform: %s"
|
|
$s5 = "\tUser GUID: %s"
|
|
condition:
|
|
1 of ($x*) or 4 of them
|
|
}
|