Skip to main content
Press slash or control plus K to focus the search. Use the arrow keys to navigate results and press enter to open a threat.
Reconnecting to live updates…

fast16 | Mystery ShadowBrokers Reference Reveals High-Precision Software Sabotage 5 Years Before Stuxnet

0
Medium
Published: Fri Apr 24 2026 (04/24/2026, 05:05:20 UTC)
Source: AlienVault OTX General

Description

Researchers uncovered fast16, a cyber sabotage framework from 2005 that predates Stuxnet by five years. The toolset includes fast16.sys, a kernel driver that selectively targets high-precision calculation software by patching code in memory to corrupt computational results. Combined with self-propagation mechanisms via a Lua-powered carrier module (svcmgmt.exe), the framework spreads across facilities to produce consistent inaccurate calculations. This operation represents the first documented instance of strategic cyber sabotage targeting ultra-expensive computing workloads in advanced physics, cryptographic, and nuclear research. The framework uses an embedded Lua virtual machine predating Flame by three years and appears in the ShadowBrokers leak of NSA Territorial Dispute components with the evasion signature: 'fast16 *** Nothing to see here – carry on ***'.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/24/2026, 08:36:10 UTC

Technical Analysis

fast16 is a malware framework from 2005 that selectively sabotages high-precision calculation software by patching code in memory via a kernel driver (fast16.sys). It spreads through facilities using a Lua-based carrier module (svcmgmt.exe), causing consistent computational inaccuracies in critical scientific and cryptographic workloads. This framework is notable for being the first documented cyber sabotage targeting ultra-expensive computing tasks and uses an embedded Lua virtual machine predating Flame malware. The malware was revealed in the ShadowBrokers leak under the NSA Territorial Dispute components. There is no evidence of active exploitation in the wild, and no official patches or vendor advisories exist for this threat.

Potential Impact

The impact of fast16 is the strategic sabotage of high-precision computational software, leading to corrupted calculation results in advanced physics, cryptographic, and nuclear research environments. This could undermine scientific experiments, cryptographic operations, and nuclear research integrity. However, there are no known active exploits in the wild, and the malware appears to be historical in nature. No direct impact on cloud services or consumer systems is indicated.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patches or remediation instructions are available. Since this is a historical malware framework with no known active exploitation, immediate mitigation actions are not specified. Security teams should monitor for any future advisories or detection signatures related to fast16 and apply standard incident response procedures if detected.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Author
AlienVault
Tlp
white
References
["https://www.sentinelone.com/labs/fast16-mystery-shadowbrokers-reference-reveals-high-precision-software-sabotage-5-years-before-stuxnet/"]
Adversary
null
Pulse Id
69eafa1063a05bb892acea52
Threat Score
null

Indicators of Compromise

Hash

ValueDescriptionCopy
hashcb66a4d52a30bfcd980fe50e7e3f73f0
hashe6018cd482c012de8b69c64dc3165337bc121b86
hash66fe485f29a6405265756aaf7f822b9ceb56e108afabd414ee222ee9657dd7e2
hash075b4aa105e728f2b659723e3f36c72c
hash0ff6abe0252d4f37a196a1231fae5f26
hash1d2f32c57ae2f2013f513d342925e972
hash2717b58246237b35d44ef2e49712d3a2
hash2740a703859cbd8b43425d4a2cacb5ec
hash410eddfc19de44249897986ecc8ac449
hash49a8934ccd34e2aaae6ea1e6a6313ffe
hashaf4461a149bfd2ba566f2abefe7dcde4
hashcf859f164870d113608a843e4a9600ab
hashdaea40562458fc7ae1adb812137d3d05
hashdbe51eabebf9d4ef9581ef99844a2944
hashe0c10106626711f287ff91c0d6314407
hashebff5b7d4c5becb8715009df596c5a91
hashf4dbbb78979c1ee8a1523c77065e18a5
hash145ef372c3e9c352eaaa53bb0893749163e49892
hash1ce1111702b765f5c4d09315ff1f0d914f7e5c70
hash2fa28ef1c6744bdc2021abd4048eefc777dccf22
hash3ce5b358c2ddd116ac9582efbb38354809999cb5
hash586edef41c3b3fba87bf0f0346c7e402f86fc11e
hash650fc6b3e4f62ecdc1ec5728f36bb46ba0f74d05
hash675cb83cec5f25ebbe8d9f90dea3d836fcb1c234
hash829f8be65dfe159d2b0dc7ee7a61a017acb54b7b
hash92e9dcaf7249110047ef121b7586c81d4b8cb4e5
hash952ed694b60c34ba12df9d392269eae3a4f11be4
hash9e089a733fb2740c0e408b2a25d8f5a451584cf6
hashca665b59bc590292f94c23e04fa458f90d7b20c9
hashd475ace24b9aedebf431efc68f9db32d5ae761bd
hashde584703c78a60a56028f9834086facd1401b355
hash06361562cc53d759fb5a4c2b7aac348e4d23fe59be3b2871b14678365283ca47
hash07c69fc33271cf5a2ce03ac1fed7a3b16357aec093c5bf9ef61fbfa4348d0529
hash09ca719e06a526f70aadf34fb66b136ed20f923776e6b33a33a9059ef674da22
hash37414d9ca87a132ec5081f3e7590d04498237746f9a7479c6b443accee17a062
hash5966513a12a5601b262c4ee4d3e32091feb05b666951d06431c30a8cece83010
hash7e00030a35504de5c0d16020aa40cbaf5d36561e0716feb8f73235579a7b0909
hash8b018452fdd64c346af4d97da420681e2e0b55b8c9ce2b8de75e330993b759a0
hash8fcb4d3d4df61719ee3da98241393779290e0efcd88a49e363e2a2dfbc04dae9
hash9a10e1faa86a5d39417cae44da5adf38824dfb9a16432e34df766aa1dc9e3525
hashaeaa389453f04a9e79ff6c8b7b66db7b65d4aaffc6cac0bd7957257a30468e33
hashbd04715c5c43c862c38a4ad6c2167ad082a352881e04a35117af9bbfad8e5613
hashc11a210cb98095422d0d33cbd4e9ecc86b95024f956ede812e17c97e79591cfa
hashda2b170994031477091be89c8835ff9db1a5304f3f2f25344654f44d0430ced1
hashe775049d1ecf68dee870f1a5c36b2f3542d1182782eb497b8ccfd2309c400b3a
hash3471224e20d7b6912816509b7154e2f24c06425c
hash6f20bd7308ec165af23609dceb7849fedfe6205c
hash79fcf9f8e1db09e5b403b83b9f5910bdda24aff7
hashc9408c1d9bab5974e23584e944819019e2500100

Threat ID: 69eb280887115cfb68038e62

Added to database: 4/24/2026, 8:21:28 AM

Last enriched: 4/24/2026, 8:36:10 AM

Last updated: 4/25/2026, 5:44:55 AM

Views: 141

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

External Links

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses