VOIP-TOLL-FRAUDImpact

Toll Fraud / Call Forwarding Abuse

Compromised extension → make expensive international calls or configure call-forwarding to a premium number.

§ Where this technique fits

VOIP-TOLL-FRAUD is catalogued under the Impact tactic of the offensive-security kill-chain. It appears in 1 approved dossier in the registry, typically at step 5 on average.

§ Dossiers chaining this technique

SIP extension brute → toll fraud / premium-rate exfil
Internet-exposed Asterisk / FreePBX with extensions whose password equals the extension number. Bruteforce a few, place expensive international / premium-rate calls.
step 5 / 5

§ Where this technique fits

§ Dossiers chaining this technique

SIP extension brute → toll fraud / premium-rate exfil