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ÀÔ·Â : 2014-08-25 21:05
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À̹ø¿¡ ¹ß°ßµÈ ¾Ç¼ºÄÚµå´Â À©µµ¿ìÀÇ Á¤»ó ±â´ÉÀÎ Windows PowerShellÀ» ÀÌ¿ëÇØ ½ºÅ©¸³Æ®¸¦ ÀÛ¼ºÇ߱⠶§¹®¿¡ ŽÁö¿¡ ¾î·Á¿òÀÌ ÀÖ¾ú°í, C&C ¼­¹ö¿ÍÀÇ Åë½ÅÀ» ¼û±â±â À§ÇØ º¯Á¶µÈ ³×Æ®¿öÅ© Æ®·¡ÇÈÀ» ¹ß»ý½ÃÅ°¸ç, Tor ³×Æ®¿öÅ©¸¦ ÀÌ¿ëÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÆ´Ù.


Windows PowerShellÀ» ÀÌ¿ëÇØ ½ºÅ©¸³Æ®¸¦ ÀÛ¼ºÇÏ°í ZwSetValueKey API¸¦ »ç¿ëÇØ ÀÚµ¿½ÃÀÛ Ç׸ñ¿¡ ·¹Áö½ºÆ®¸® °ªÀ» »ý¼ºÇÑ´Ù. µî·ÏµÈ ·¹Áö½ºÆ®¸®ÀÇ Data°ªÀº ÀÎÄÚµùµÅ ÀÖ´Â ÆÄÀÏÀÌ´Ù.


·¹Áö½ºÆ®¸®ÀÇ Data°ª¿¡ º¹È£ °úÁ¤À» °ÅÄ¡¸é MZÆÄÀÏÀÌ »ý¼ºµÇ´Âµ¥, ÇØ´ç ÆÄÀÏÀº DLL ÆÄÀÏ·Î Á¤»ó DLLHOST.EXE ÇÁ·Î¼¼½º¿¡ ÀÎÁ§¼ÇµÈ´Ù. ÀÎÁ§¼ÇµÈ DLLÀº ´Ù¸¥ ¾Ç¼ºÄڵ带 Ãß°¡ÀûÀ¸·Î ´Ù¿î·ÎµåÇÏ°í º¸¾È½Ã½ºÅÛÀ» ¹«·ÂÈ­ÇÑ ÈÄ ½Ã½ºÅÛ Á¤º¸¸¦ Å»ÃëÇÑ´Ù. Å»ÃëÇÏ´Â Á¤º¸´Â ¾Æ·¡¿Í °°´Ù.


- Operating system and architecture

- UUID

- Malware version

- Build date


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- http://178.89.159.34/q/type={status: start, install, exist, cmd or low}&version=1.0&aid={id}&builddate=%s&id={iuuid}&os={OS version}_{OS architecture}


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http://blog.trendmicro.com/trendlabs-security-intelligence/poweliks-malware-hides-in-windows-registry/

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