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/*
This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license.
*/
import "pe"
rule IMulerCode : IMuler Family
{
meta:
description = "IMuler code tricks"
author = "Seth Hardy"
last_modified = "2014-06-16"
strings:
// Load these function strings 4 characters at a time. These check the first two blocks:
$L4_tmpSpotlight = { C7 ?? 2F 74 6D 70 C7 ?? 04 2F 53 70 6F }
$L4_TMPAAABBB = { C7 ?? ?? ?? ?? ?? 54 4D 50 41 C7 ?? ?? ?? ?? ?? 41 41 42 42 }
$L4_FILEAGENTVer = { C7 ?? 46 49 4C 45 C7 ?? 04 41 47 45 4E }
$L4_TMP0M34JDF8 = { C7 ?? ?? ?? ?? ?? 54 4D 50 30 C7 ?? ?? ?? ?? ?? 4D 33 34 4A }
$L4_tmpmdworker = { C7 ?? 2F 74 6D 70 C7 ?? 04 2F 2E 6D 64 }
condition:
any of ($L4*)
}
rule IMulerStrings : IMuler Family
{
meta:
description = "IMuler Identifying Strings"
author = "Seth Hardy"
last_modified = "2014-06-16"
strings:
$ = "/cgi-mac/"
$ = "xnocz1"
$ = "checkvir.plist"
$ = "/Users/apple/Documents/mac back"
$ = "iMuler2"
$ = "/Users/imac/Desktop/macback/"
$ = "xntaskz.gz"
$ = "2wmsetstatus.cgi"
$ = "launch-0rp.dat"
$ = "2wmupload.cgi"
$ = "xntmpz"
$ = "2wmrecvdata.cgi"
$ = "xnorz6"
$ = "2wmdelfile.cgi"
$ = "/LanchAgents/checkvir"
$ = "0PERA:%s"
$ = "/tmp/Spotlight"
$ = "/tmp/launch-ICS000"
condition:
any of them
}
rule IMuler : Family
{
meta:
description = "IMuler"
author = "Seth Hardy"
last_modified = "2014-06-16"
condition:
IMulerCode or IMulerStrings
}