Is "TruckersMP Steam Helper" on Firefox Add-ons Safe to Install?

CJMAXiK · firefox · v22.8.27

- TruckersMP Info panel in Community Profile - Steam Privacy settings checkout (if no TruckersMP profile found) - Compact TruckersMP Info in Friends tab (including Pending Invites) - Various additional settings, including Steam-related * This extension is inspired by TruckersMP Helper and internal TruckersMP Team tools. *

Risk Assessment

Analyzed
64.99
out of 100
MEDIUM

128 security findings detected across all analyzers

Firefox extension requesting 11 permissions

Severity Breakdown

0
Critical
27
High
101
Medium
0
Low
0
Info

Finding Categories

27
Malware Signatures
2
Obfuscation
1
Network
96
IoC Indicators

YARA Rules Matched

10 rules(27 hits)
postinstall network communication postinstall file manipulation postinstall crypto operations postinstall system command postinstall obfuscation postinstall file download SQLInjection LocalStorageShouldNotBeUsed credential steam data NoUseWeakRandom

Requested Permissions

11 permissions
storage
Low
alarms
Low
*://steamcommunity.com/*
Low
*://api.truckersmp.com/*
Low
*://traffic.krashnz.com/*
Low
*://steamcommunity.com/id/*
Low
*://steamcommunity.com/profiles/*
Low
*://steamcommunity.com/id/*/friends
Low
*://steamcommunity.com/id/*/friends/*
Low
*://steamcommunity.com/profiles/*/friends
Low
*://steamcommunity.com/profiles/*/friends/*
Low

About This Extension

- TruckersMP Info panel in Community Profile - Steam Privacy settings checkout (if no TruckersMP profile found) - Compact TruckersMP Info in Friends tab (including Pending Invites) - Various additional settings, including Steam-related * This extension is inspired by TruckersMP Helper and internal TruckersMP Team tools. *

Detailed Findings

30 total

YARA Rule Matches

10 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
20
IP Addresses
1
Domains
73
Strings
96

All Indicators · 96

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

URL
detected URL: https://truckersmp.com/user/'+c(typeof(a=null!=(a=p(t,

XIOC detected URL: https://truckersmp.com/user/'+c(typeof(a=null!=(a=p(t,

extracted_from_files

URL
detected URL: https://truckersmp.com/user/

XIOC detected URL: https://truckersmp.com/user/

extracted_from_files

URL
detected URL: https://truckersmp.com/vtc/

XIOC detected URL: https://truckersmp.com/vtc/

extracted_from_files

URL
detected URL: https://map.truckersmp.com/follow/

XIOC detected URL: https://map.truckersmp.com/follow/

extracted_from_files

Hash
detected MD5 Hash: f1d81068c13cb6452217356f41089212

XIOC detected MD5 Hash: f1d81068c13cb6452217356f41089212

extracted_from_files

URL
detected URL: https://truckersmp.com/user/'+s(

XIOC detected URL: https://truckersmp.com/user/'+s(

extracted_from_files

URL
detected URL: https://github.com/cjmaxik/truckersmp-steam-helper

XIOC detected URL: https://github.com/cjmaxik/truckersmp-steam-helper

extracted_from_files

URL
detected URL: https://unpkg.com/chota@latest

XIOC detected URL: https://unpkg.com/chota@latest

extracted_from_files

URL
detected URL: https://forum.truckersmp.com/index.php?/topic/102560-truckersmp-steam-helper/

XIOC detected URL: https://forum.truckersmp.com/index.php?/topic/102560-truckersmp-steam-helper/

extracted_from_files

URL
detected URL: https://truckersmp.com/vtc/'+i(a(null!=(l=null!=n?u(n,

XIOC detected URL: https://truckersmp.com/vtc/'+i(a(null!=(l=null!=n?u(n,

extracted_from_files

URL
detected URL: https://map.truckersmp.com/follow/'+e.escapeExpression(

XIOC detected URL: https://map.truckersmp.com/follow/'+e.escapeExpression(

extracted_from_files

URL
detected URL: https://steamcommunity.com/profiles/

XIOC detected URL: https://steamcommunity.com/profiles/

extracted_from_files

URL
detected URL: https://traffic.krashnz.com/api/v2/user/

XIOC detected URL: https://traffic.krashnz.com/api/v2/user/

extracted_from_files

URL
detected URL: https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)

XIOC detected URL: https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage)

extracted_from_files

URL
detected URL: https://github.com/mozilla/webextension-polyfill)

XIOC detected URL: https://github.com/mozilla/webextension-polyfill)

extracted_from_files

URL
detected URL: http://mozilla.org/MPL/2.0/.

XIOC detected URL: http://mozilla.org/MPL/2.0/.

extracted_from_files

URL
detected URL: https://handlebarsjs.com/api-reference/runtime-options.html#options-to-control-prototype-access

XIOC detected URL: https://handlebarsjs.com/api-reference/runtime-options.html#options-to-control-prototype-access

extracted_from_files

URL
detected URL: https://truckersmp.com/vtc/'+i(l(null!=(a=null!=t?u(t,

XIOC detected URL: https://truckersmp.com/vtc/'+i(l(null!=(a=null!=t?u(t,

extracted_from_files

Domain
detected Domain: e.games

XIOC detected Domain: e.games

extracted_from_files

Domain
detected Domain: vtc.id

XIOC detected Domain: vtc.id

extracted_from_files

Domain
detected Domain: vtc.name

XIOC detected Domain: vtc.name

extracted_from_files

Domain
detected Domain: s.next

XIOC detected Domain: s.next

extracted_from_files

URL
detected URL: http://addons.mozilla.org/ca/crl.pem0N

XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N

extracted_from_files

URL
detected URL: https://github.com/facebook/regenerator/blob/main/LICENSE

XIOC detected URL: https://github.com/facebook/regenerator/blob/main/LICENSE

extracted_from_files

URL
detected URL: https://api.truckersmp.com/v2/player/

XIOC detected URL: https://api.truckersmp.com/v2/player/

extracted_from_files

Domain
detected Domain: n.properties

XIOC detected Domain: n.properties

extracted_from_files

Domain
detected Domain: t.name

XIOC detected Domain: t.name

extracted_from_files

Domain
detected Domain: n.vm.resolvepartial.call

XIOC detected Domain: n.vm.resolvepartial.call

extracted_from_files

Domain
detected Domain: n.vm.invokepartial.call

XIOC detected Domain: n.vm.invokepartial.call

extracted_from_files

Domain
detected Domain: l.name

XIOC detected Domain: l.name

extracted_from_files

Domain
detected Domain: e.data

XIOC detected Domain: e.data

extracted_from_files

Domain
detected Domain: e.online

XIOC detected Domain: e.online

extracted_from_files

Domain
detected Domain: a.call

XIOC detected Domain: a.call

extracted_from_files

Domain
detected Domain: l.call

XIOC detected Domain: l.call

extracted_from_files

Domain
detected Domain: unpkg.com

XIOC detected Domain: unpkg.com

extracted_from_files

Domain
detected Domain: forum.truckersmp.com

XIOC detected Domain: forum.truckersmp.com

extracted_from_files

Domain
detected Domain: h.call

XIOC detected Domain: h.call

extracted_from_files

Domain
detected Domain: a.next

XIOC detected Domain: a.next

extracted_from_files

Domain
detected Domain: map.truckersmp.com

XIOC detected Domain: map.truckersmp.com

extracted_from_files

Domain
detected Domain: t.data

XIOC detected Domain: t.data

extracted_from_files

Domain
detected Domain: m.next

XIOC detected Domain: m.next

extracted_from_files

Domain
detected Domain: e.helpers.if.call

XIOC detected Domain: e.helpers.if.call

extracted_from_files

Domain
detected Domain: t.vm.resolvepartial.call

XIOC detected Domain: t.vm.resolvepartial.call

extracted_from_files

Domain
detected Domain: t.vm.invokepartial.call

XIOC detected Domain: t.vm.invokepartial.call

extracted_from_files

Domain
detected Domain: a.name

XIOC detected Domain: a.name

extracted_from_files

Domain
detected Domain: r.data

XIOC detected Domain: r.data

extracted_from_files

Domain
detected Domain: handlebarsjs.com

XIOC detected Domain: handlebarsjs.com

extracted_from_files

Domain
detected Domain: truckersmp.com

XIOC detected Domain: truckersmp.com

extracted_from_files

Domain
detected Domain: u.call

XIOC detected Domain: u.call

extracted_from_files

Domain
detected Domain: error.prototype.constructor.call

XIOC detected Domain: error.prototype.constructor.call

extracted_from_files

Domain
detected Domain: o.tostring.call

XIOC detected Domain: o.tostring.call

extracted_from_files

Domain
detected Domain: t.properties

XIOC detected Domain: t.properties

extracted_from_files

Domain
detected Domain: n.name

XIOC detected Domain: n.name

extracted_from_files

Domain
detected Domain: u.search

XIOC detected Domain: u.search

extracted_from_files

Domain
detected Domain: i.prototype.build

XIOC detected Domain: i.prototype.build

extracted_from_files

Domain
detected Domain: developer.mozilla.org

XIOC detected Domain: developer.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.org

XIOC detected Domain: mozilla.org

extracted_from_files

Domain
detected Domain: chrome.runtime.id

XIOC detected Domain: chrome.runtime.id

extracted_from_files

Domain
detected Domain: c.call

XIOC detected Domain: c.call

extracted_from_files

Domain
detected Domain: browser-polyfill.min.js.map

XIOC detected Domain: browser-polyfill.min.js.map

extracted_from_files

Domain
detected Domain: n.data.response.id

XIOC detected Domain: n.data.response.id

extracted_from_files

Domain
detected Domain: n.online

XIOC detected Domain: n.online

extracted_from_files

Domain
detected Domain: n.games

XIOC detected Domain: n.games

extracted_from_files

Domain
detected Domain: a.gameslist.games.game

XIOC detected Domain: a.gameslist.games.game

extracted_from_files

Domain
detected Domain: n.data

XIOC detected Domain: n.data

extracted_from_files

Domain
detected Domain: r.data.response.online

XIOC detected Domain: r.data.response.online

extracted_from_files

Domain
detected Domain: i.search

XIOC detected Domain: i.search

extracted_from_files

Domain
detected Domain: i.call

XIOC detected Domain: i.call

extracted_from_files

Domain
detected Domain: e.next

XIOC detected Domain: e.next

extracted_from_files

Domain
detected Domain: e.call

XIOC detected Domain: e.call

extracted_from_files

Domain
detected Domain: n.next

XIOC detected Domain: n.next

extracted_from_files

Other
detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Domain
detected Domain: this.next

XIOC detected Domain: this.next

extracted_from_files

Domain
detected Domain: r.map

XIOC detected Domain: r.map

extracted_from_files

Domain
detected Domain: f.call

XIOC detected Domain: f.call

extracted_from_files

Domain
detected Domain: array.prototype.filter.call

XIOC detected Domain: array.prototype.filter.call

extracted_from_files

Domain
detected Domain: array.prototype.foreach.call

XIOC detected Domain: array.prototype.foreach.call

extracted_from_files

Domain
detected Domain: r.call

XIOC detected Domain: r.call

extracted_from_files

Domain
detected Domain: chrome.management

XIOC detected Domain: chrome.management

extracted_from_files

Domain
detected Domain: e.name

XIOC detected Domain: e.name

extracted_from_files

Domain
detected Domain: t.call

XIOC detected Domain: t.call

extracted_from_files

Domain
detected Domain: api.truckersmp.com

XIOC detected Domain: api.truckersmp.com

extracted_from_files

Domain
detected Domain: steamcommunity.com

XIOC detected Domain: steamcommunity.com

extracted_from_files

Domain
detected Domain: traffic.krashnz.com

XIOC detected Domain: traffic.krashnz.com

extracted_from_files

Domain
detected Domain: object.prototype.hasownproperty.call

XIOC detected Domain: object.prototype.hasownproperty.call

extracted_from_files

Domain
detected Domain: t.next

XIOC detected Domain: t.next

extracted_from_files

Domain
detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

Domain
detected Domain: o.data

XIOC detected Domain: o.data

extracted_from_files

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

Domain
detected Domain: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

Domain
detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain
detected Domain: cjmaxik.github.com

XIOC detected Domain: cjmaxik.github.com

extracted_from_files

Domain
detected Domain: tb426a66e5750b16ddb9c782f9026dc91.f1d81068c13cb6452217356f41089212.addons.mozilla.org

XIOC detected Domain: tb426a66e5750b16ddb9c782f9026dc91.f1d81068c13cb6452217356f41089212.addons.mozilla.org

extracted_from_files

IP
detected IP: ::

XIOC detected IP: ::

extracted_from_files

Security Analysis Summary

Security Analysis Overview

TruckersMP Steam Helper is a Firefox Add-ons extension published by CJMAXiK. Version 22.8.27 has been analyzed by the Risky Plugins security platform, receiving a risk score of 64.99/100 (MEDIUM risk) based on 128 security findings.

Risk Assessment

This extension presents high security risk. Significant concerns were identified during analysis. It is not recommended for use in sensitive or production environments without thorough review.

Findings Breakdown

  • High: 27 finding(s)
  • Medium: 101 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

TruckersMP Steam Helper is published by CJMAXiK on the Firefox Add-ons marketplace. The extension has approximately 23 users.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Frequently Asked Questions