Threats Feed|Prince of Persia|Last Updated 25/06/2026|AuthorCertfa Radar|Publish Date02/05/2016

Decade-Long Infy Malware Campaign Targets Israeli Industry and U.S. Government

  • Actor Motivations: Espionage,Exfiltration
  • Attack Vectors: Keylogger,Malware,Trojan,Spear Phishing
  • Attack Complexity: Medium
  • Threat Risk: High Impact/Low Probability

Threat Overview

The Infy malware, active since 2007 and still operational as of April 2016, was identified by Palo Alto Networks WildFire. Spear-phishing emails with malicious Word or PowerPoint attachments were sent from compromised accounts, targeting Israeli industrial organizations and a U.S. Government entity. These emails contained a multi-layer Self-Extracting Executable Archive, designed to deceive recipients into executing it. The malware, capable of evading antivirus detection, collected keylogs, browser passwords, and other sensitive data, which was then exfiltrated to C2 servers. These servers utilized a mix of Dynamic DNS providers, third-party site hosting, and first-party-registered domains. The malware's focus on specific geographic areas and sectors suggests a well-planned and targeted cyber espionage campaign against government and industrial entities in Israel, Denmark and the United States.

Detected Targets

TypeDescriptionConfidence
SectorGovernment Agencies and Services
Verified
RegionDenmark
Verified
RegionIsrael
Verified
RegionUnited States
Verified

Extracted IOCs

  • bestbox3[.]com
  • bestupdateserver2[.]com
  • bestupdateserver[.]com
  • bestwebstat[.]com
  • box4054[.]net
  • fastupdate[.]net
  • myblog2000[.]com
  • safehostonline[.]com
  • short-name[.]com
  • short-url20[.]com
  • updatebox4[.]com
  • updateserver1[.]com
  • updateserver3[.]com
  • youripinfo[.]com
  • analyse1.mooo[.]com
  • best2.short-name[.]com
  • best2.short-url20[.]com
  • best3.short-url20[.]com
  • best4.short-url20[.]com
  • best5.short-url20[.]com
  • best6.short-url20[.]com
  • best7.short-url20[.]com
  • best.short-name[.]com
  • bestupser.awardspace[.]info
  • bl2pe.bestwebstat[.]com
  • c1.short-url20[.]com
  • dbook.soon[.]it
  • dsite.dyx.comextd.mine[.]bz
  • fastecs.netfirms[.]com
  • gstat.strangled[.]net
  • lost.updateserver1[.]com
  • lu.ige[.]es
  • mand.pwnz[.]org
  • ns2.myblog2000[.]com
  • nus.soon[.]it
  • secup.soon[.]it
  • update.info[.]gf
  • us12.short-url20[.]com
  • us13.short-url20[.]com
  • us15.short-url20[.]com
  • us16.short-url20[.]com
  • us1s2.strangled[.]net
  • us1.short-name[.]com
  • wep.archvisio[.]com
  • wep.soon[.]it
  • wpstat.mine[.]bz
  • wpstat.strangled[.]net
  • www.fastupdate[.]net
  • www.updateserver1[.]com
  • aj58mail-box@yahoo[.]com
  • am54ja@yahoo[.]com
  • aminjalali_58@yahoo[.]com
  • 005b33c20c8d89453f6f0858b41881f2
  • 008a6d9e67f18a2ad1f4bb10a354a8be
  • 0096c70453cd7110453b6609a950ce18
  • 01cc9c914ece9d6c88b4a2c7fb7ec24e
  • 0213afd3721928daa1fd4192c9edaf16
  • 022672d91bc3039bc3935c7161389bb3
  • 038bd4efdecd4381c2b51ac101816747
  • 05e79fe215b04d78f1008960f10be60d
  • 06a3cdf1f52bbbbc3fbddbd80366c459
  • 09f8655f862f0074b6648df4dd2bcc8b
  • 0a07888d4ad0ba8c83e8cbe555ba7810
  • 0b3ee491ac8a3a4f67a3981bbcd773a9
  • 0bd433d843a83c5fa816329dd9444c8e
  • 0bec1d0a2487653801ed24422a89433b
  • 0c4794ee8211d030fbaf72ffd028b302
  • 0c8c1e8b3ccab7b01f7a9246a994ee49
  • 0cdb7ea63cd53ac9a99a9e8c6b7d98dd
  • 0d7909ab4f933b56f7727726c2b1aa78
  • 1018960f13469a54e48eb4468b119d24
  • 109f613a3db75b78a8f2fc4f4d9c1aa3
  • 10edd365e7353200c88c4fa2595a1c57
  • 10eee810f70b9aee5d2784b79539f880
  • 123506172c5d84d2c2d046edd66a57c0
  • 12973584deae59421ed99e3adde993ee
  • 12b6ce12e581aca530324bcd256de512
  • 12d2cab3480c706f956da4a22c15ddb3
  • 13eb94e02912da06072246789aa1a8a8
  • 16089210258939642c427188e70b3c2b
  • 17234fa07e77ddb2a05f221e6aa9d335
  • 17e0b1e735f43bd15662325f37ad3816
  • 1831809c397b0c285146df1335efbf5f
  • 18713529ff40b366b162c276333b62ce
  • 1906dc3bc8d5086af55ad7902a550d45
  • 190d4104d774527106fa28d5df4e3fd2
  • 1955f324552812e3fc8f4513cc058674
  • 1a8c12cb5a07aae016d33015f589bfb2
  • 1a918a850892c2ca5480702c64c3454c
  • 1ba3363da3130cc41ca152b4a8302809
  • 1c9c491dc0e20ca1a46677f9b5552ff3
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  • 2a817c1d6bad99430c9eace0a6008a75
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  • 70c447c9e71c8e6bd336670119e8df1b
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  • 771080b2675b1af82e59d34450cfb6b1
  • 79a07963b57d0bbae1625cf582d2a55a
  • 7a64fef96e69f58bd52abdff97cc95a5
  • 7a6e9a6e87e1e43ad188f18ae42f470f
  • 7c8e950c3adcbbcca2c8b54614566ec7
  • 7cf09004bfb2833253d0d9faaadbbc2c
  • 7e9552cbe1afdb03cedff301f2080f9c
  • 7eab33c7b51c62b9396a75630f29090b
  • 80b1f897b670c27a30c9eca9e3d7d604
  • 80ca98965c7c3fa89fd85f8823544ff4
  • 8448f958a6acdb606f6f1242a963f845
  • 85f37501477284f032c3d3981c5a8a75
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  • a161fc64a9c659264d0a897201a1b51d
  • a1ae4368352542f5f81ac072c3c00f11
  • a3b576495b790f43327cf38a7a28d1a6
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  • aa4cfb13a699eafb60e4ea0fb602f144
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  • bc8c1f72d0813c281c9a1e4a3fb10f5e
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  • beef98ff03885a41ca0d70dcbe738bf2
  • c1a7bd517cfc88c17176a65e82a5bea9
  • c30614492d31e60511fb8b28fea653ef
  • c4c1c7722cfdf5ecc66b387dd4a37405
  • c4d8b12a70cf01df681712f1a2ddf0fb
  • c5eeae78cb820186f5f1acad6f1039af
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  • c6f27fe0ba7a877fecdc6227454d052f
  • cb635b1ff7443252cf3686a5a8c40efa
  • cc6fd51232b35cff84b6c3d9bfc6be4c
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  • d101106f8551a38eb9a11fc1da903a67
  • d1a25ebf70a88fd76c3a7501733f1e24
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  • fa444d883acb09d2dd6e4d5ea056c514
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  • fd33a6c08159d1f688fe927076c1e441
  • 0be9fc6898b6856fd1580f93aa77a8fd8522e961
  • 00ccd3155a9c0de0072a4b31d62eb619b099726911ee9a9c8a50ed2a2c44ac80
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  • 98dddf6797f1a64ba94663169355e32bf8a17e84f368fecc2300413e62a6de2b
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  • a1d5ab7125f002262151e516151e9b9223b3f5ca3863d69dd8a12b066c162906
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Tip: 293 related IOCs (0 IP, 49 domain, 0 URL, 3 email, 241 file hash) to this threat have been found.

Overlaps

MermaidOperation Mermaid: A Decade of Targeted APT Attacks on Government Entities

Source: QAX - March 2020

Detection (14 cases): 0096c70453cd7110453b6609a950ce18, 1a918a850892c2ca5480702c64c3454c, 260687b5a29d9a8947d514acae695ad4, 6bc1aea97e7b420b0993eff794ed2aeb, 6e4e52cf69e37d2d540a431f23d7015a, 7a6e9a6e87e1e43ad188f18ae42f470f, aj58mail-box@yahoo[.]com, am54ja@yahoo[.]com, aminjalali_58@yahoo[.]com, bestupdateserver[.]com, bestwebstat[.]com, myblog2000[.]com, short-name[.]com, updateserver1[.]com

Prince of PersiaDecade-Long Prince of Persia Cyber Campaign Targets Iranian Citizens and Global Victims

Source: Palo Alto Networks - June 2016

Detection (14 cases): bestbox3[.]com, bestupdateserver[.]com, bestupdateserver2[.]com, bestupser.awardspace[.]info, bestwebstat[.]com, box4054[.]net, gstat.strangled[.]net, lu.ige[.]es, secup.soon[.]it, updatebox4[.]com, updateserver1[.]com, updateserver3[.]com, us1s2.strangled[.]net, youripinfo[.]com

Hint: Overlaps are extracted automatically by examining the IOCs associated with all indexed threats and actors.

FAQs

The "Infy" Espionage Campaign

Cybersecurity researchers uncovered a hidden cyber espionage operation that has been active for nearly a decade. Attackers used malicious emails to quietly install a family of malware, known as "Infy," onto victims' computers to steal sensitive data, passwords, and documents.

Evidence strongly suggests the campaign is a targeted espionage operation originating from Iran. Analysts traced the attack infrastructure to Iranian hosting services and found domain registration details linked to individuals with Iranian origins.

The operation was focused on long-term data theft and intelligence gathering. The attackers sought to quietly steal documents, passwords, system information, and even audio recordings while taking extreme care to remain undetected by security software.

Yes, the attackers targeted high-value entities, including the U.S. Government, the Danish Government, and Israeli industrial organizations. The threat actors also targeted their own Iranian citizens.

Attackers sent tailored spear-phishing emails containing malicious Word or PowerPoint documents. When opened, these files tricked the victim into clicking a button—such as a fake "play" button on a video, which secretly installed the Infy malware onto their system.

Government and industrial organizations hold highly sensitive intellectual property, state secrets, and operational data. Access to these systems provides significant strategic and intelligence value to a nation-state actor.

This is a highly targeted, low-volume operation. The attackers deliberately kept the number of attacks small and customized their deceptive content for specific victims to avoid drawing the attention of global security companies.

Organizations should continuously train staff to identify suspicious email attachments and warn them against clicking unexpected prompts inside documents. Additionally, ensuring advanced endpoint protection is active and blocking the specific internet domains used by the attackers will help prevent the malware from communicating.

About Affiliation
Prince of Persia
Prince of Persia is Intezer's campaign tracking name for continued Infy cluster operations documented from 2015 through at least 2025. The campaign represents the third documented evolution of the same Iranian surveillance infrastructure — following the original Infy malware and the Foudre rebuild — showing the group's sustained commitment to long-term espionage despite repeated public exposure. Prince of Persia campaigns target Iranian dissidents, opposition figures, and government officials using spear phishing with evolved malware families that incorporate improved anti-detection techniques, demonstrating the Infy cluster's operational longevity spanning nearly two decades.
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