Malware

nVIR

For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

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MITRE ATT&CK

Techniques & procedures

4 distinct techniques documented for this family, organized by ATT&CK tactic.

Initial Access

1 technique

T1091Replication Through Removable MediaEvidence1

For example, if a disk used in an infected Macintosh is removed and inserted in a second Macintosh, the other machine will become infected if any application on that disk is executed in the second machine.

Execution

1 technique

T1574Hijack Execution FlowEvidence1

nVIR carries an additional code resource, CODE 256 (though some variants carry CODE 255), and patches the jump table to point to it. The original application's entry point is saved in the nVIR 2 resource.

Persistence

1 technique

T1037Boot or Logon Initialization ScriptsEvidence1

nVIR introduces to the System file the INIT 32 resource which is executed at startup, at which time nVIR patches the TEInit trap.

Privilege Escalation

1 technique

T1037Boot or Logon Initialization ScriptsEvidence1

nVIR introduces to the System file the INIT 32 resource which is executed at startup, at which time nVIR patches the TEInit trap.

Stealth

1 technique

T1574Hijack Execution FlowEvidence1

Lateral Movement

2 techniques

T1091Replication Through Removable MediaEvidence1

T1570Lateral Tool TransferEvidence1

Further, any method used to transfer programs between Macintoshes will spread nVIR, including file transfer over a network.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app

wikipedia enNews

Dec 11, 2018

Susan Headley - Wikipedia

Hacking in the 1980s ... Malware ... Morris ... nVIR ... Ping-Pong

wikipedia enNews

Jul 8, 2015

Fernando Bonsembiante - Wikipedia

Malware ... nVIR

wikipedia enNews

Oct 22, 2011

Hans Heinrich Hübner - Wikipedia

Malware ... nVIR

wikipedia cyber incidentsNews

Dec 31, 2005

nVIR - Wikipedia

An obsolete Macintosh virus that infects applications and the System file, replicates through infected programs transferred between Macintosh systems, and can cause crashes, printing errors, slow performance, unpredictable system crashes, and occasional beeping or 'Don't Panic' speech output.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.

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IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping4

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.

Back to malware

Malware

nVIR

For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

Start free trial

MITRE ATT&CK

Techniques & procedures

4 distinct techniques documented for this family, organized by ATT&CK tactic.

Initial Access

1 technique

T1091Replication Through Removable MediaEvidence1

Execution

1 technique

T1574Hijack Execution FlowEvidence1

Persistence

1 technique

T1037Boot or Logon Initialization ScriptsEvidence1

nVIR introduces to the System file the INIT 32 resource which is executed at startup, at which time nVIR patches the TEInit trap.

Privilege Escalation

1 technique

T1037Boot or Logon Initialization ScriptsEvidence1

nVIR introduces to the System file the INIT 32 resource which is executed at startup, at which time nVIR patches the TEInit trap.

Stealth

1 technique

T1574Hijack Execution FlowEvidence1

Lateral Movement

2 techniques

T1091Replication Through Removable MediaEvidence1

T1570Lateral Tool TransferEvidence1

Further, any method used to transfer programs between Macintoshes will spread nVIR, including file transfer over a network.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app

wikipedia enNews

Dec 11, 2018

Susan Headley - Wikipedia

Hacking in the 1980s ... Malware ... Morris ... nVIR ... Ping-Pong

wikipedia enNews

Jul 8, 2015

Fernando Bonsembiante - Wikipedia

Malware ... nVIR

wikipedia enNews

Oct 22, 2011

Hans Heinrich Hübner - Wikipedia

Malware ... nVIR

wikipedia cyber incidentsNews

Dec 31, 2005

nVIR - Wikipedia

What this page doesn’t show

The version that knows your environment.

Start free trial

IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping4

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.