Feeds

New table-munching worm ravages Iranian biz databases

Iranian CERT: It's really no biggie

SANS - Survey on application security programs

A new strain of malware is thrashing corporate databases in the Middle East, claiming the vast majority of its victims in Iran.

Narilam is "causing chaos" by targeting and modifying corporate databases, according to Symantec. The worm spreads through removable drives and network shares.

Network worms are relatively commonplace, but Narilam packs an unusual punch, functionality to update a Microsoft SQL database if it is accessible by OLEDB (Object Linking and Embedding, Database). The worm specifically targets SQL databases with three distinct names: alim, maliran, and shahd.

However Iran's Computer emergency Response Tema said in a statement that the Narilam malware was two years old, "not a major threat" and only corrupted the databases of an unnamed Iranian accountancy software package:

The malware called "Narilam" by Symantec was an old malware, previously detected and reported online in 2010 by some other names. This malware has no sign of a major threat, nor a sophisticated piece of computer malware. The sample is not wide spread and is only able to corrupt the database of some of the products by an Iranian software company, those products are accounting software for small businesses. The simple nature of the malware looks more like a try to harm the software company reputation among their customers.

According to Symantec, some of the object/table names that can be accessed by the threat include Hesabjari ("current account" in Arabic/Persian), Asnad (“financial bond” in Arabic), R_DetailFactoreForosh ("forosh" means "sale" in Persian), pasandaz ("savings" in Persian), End_Hesab ("hesab" means "account" in Persian) and Vamghest (“instalment loans” in Persian) as well as tables such as "holiday".

The threat replaces certain items in the database with random values. Some of the items that are modified by the threat include Asnad.SanadNo ("sanad" means "document" in Persian), Asnad.LastNo, Asnad.FirstNo, and Pasandaz.Code (“pasandaz” means “savings” in Persian), refcheck.amount and buyername.Buyername.

Narilam also deletes tables including ones with names including A_Sellers, person and Kalamast.

The malware lacks any functionality to steal information from infected systems and appears to be programmed specifically to damage the data held within the targeted database, Symantec concludes.

"Given the types of objects that the threat searches for, the targeted databases seem to be related to ordering, accounting, or customer management systems belonging to corporations," it adds.

Without well-managed backups, affected databases will be very difficult to restore. The malware is likely to cause significant disruption even if backups are available, according to Symantec. ®

High performance access to file storage

More from The Register

next story
Obama allows NSA to exploit 0-days: report
If the spooks say they need it, they get it
Samsung Galaxy S5 fingerprint scanner hacked in just 4 DAYS
Sammy's newbie cooked slower than iPhone, also costs more to build
Putin tells Snowden: Russia conducts no US-style mass surveillance
Gov't is too broke for that, Russian prez says
Snowden-inspired crypto-email service Lavaboom launches
German service pays tribute to Lavabit
Mounties always get their man: Heartbleed 'hacker', 19, CUFFED
Canadian teen accused of raiding tax computers using OpenSSL bug
One year on: diplomatic fail as Chinese APT gangs get back to work
Mandiant says past 12 months shows Beijing won't call off its hackers
Call of Duty 'fragged using OpenSSL's Heartbleed exploit'
So it begins ... or maybe not, says one analyst
prev story

Whitepapers

Top three mobile application threats
Learn about three of the top mobile application security threats facing businesses today and recommendations on how to mitigate the risk.
Combat fraud and increase customer satisfaction
Based on their experience using HP ArcSight Enterprise Security Manager for IT security operations, Finansbank moved to HP ArcSight ESM for fraud management.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Five 3D headsets to be won!
We were so impressed by the Durovis Dive headset we’ve asked the company to give some away to Reg readers.
SANS - Survey on application security programs
In this whitepaper learn about the state of application security programs and practices of 488 surveyed respondents, and discover how mature and effective these programs are.