Encyclopedia entry
Updated:
Jul 03, 2012
| Published:
Mar 29, 2012
Aliases
Exploit.MSWord.CVE-2009-0563.a
(Kaspersky)
-
Exploit.CVE-2009-0563.Gen
(VirusBuster)
-
EXP/CVE-2009-0563.A
(Avira)
-
Exploit.CVE-2009-0563.Gen
(BitDefender)
-
Exploit.MS09-027.1
(Dr.Web)
-
OSX/Exploit.MSWord.CVE-2009-0563.A trojan
(ESET)
-
Exploit.MS04.CVE-2004-0210-2009-0563.A
(Ikarus)
-
Exploit-MSWord.m
(McAfee)
-
Troj/DocOSXDr-A
(Sophos)
-
Trojan.Mdropper
(Symantec)
-
TROJ_MDROPR.LB
(Trend Micro)
Alert Level
(?)
Severe
Antimalware protection details
Microsoft recommends that you download the
latest definitions
to get protected.
Detection initially created:
Definition: 1.123.708.0
Released: Mar 29, 2012
|
Summary
Exploit:MacOS_X/MS09-027.A
is a malicious Microsoft Word document that attempts to exploit a known vulnerability in Microsoft Office for Mac. The vulnerability was resolved with the release of Microsoft Security Bulletin MS09-027.
Exploit:MacOS_X/MS09-027.A
drops other malware into your computer.
Symptoms
System changes
The following system changes may indicate the presence of this malware:
- The presence of the following files:
- /tmp/launch-hse
- /tmp/file.doc
- /tmp/launch-hs
- A Word document named "file.doc" automatically opens
Technical Information (Analysis)
Exploit:MacOS_X/MS09-027.A
is a malicious Microsoft Word document that attempts to exploit a known vulnerability in Microsoft Office for Mac. The vulnerability was resolved with the release of Microsoft Security Bulletin MS09-027.
Installation
When run, Exploit:MacOS_X/MS09-027.A drops the following files:
-
/tmp/launch-hse
- installs other malware (see Payload section)
-
/tmp/file.doc
- a clean Word document, which acts as a decoy to prevent you from suspecting that any malicious activity is going on
-
/tmp/launch-hs
- a bash script that runs "launch-hse" and opens "file.doc"
Payload
Installs other malware
Exploit:MacOS_X/MS09-027.A
has been observed to install the following malware:
Additional resources
A technical analysis of Exploit:MacOS_X/MS09-027.A is available in the MMPC blog post "An interesting case of Mac OSX malware".
Analysis by Methusela Cebrian Ferrer
Prevention
Recovery
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product.
