Technique

Call forwarding abuse

technique:call_forwarding_abuse Also: call forwarding

Changing a voicemail or phone system’s forwarding destination to route calls to an attacker-controlled pay-per-minute number.

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Direction Predicate Other entity Origin EP
incoming USES PBX hacking Explicit 1

Claims

PBX hacking USES Call forwarding abuse

After accessing voicemail, the hacker changes the permanent forwarding number to a pay-per-minute line.

Explicit Confidence 99% · Jack Rhysider EP 1 Details

“The hacker sets the call forwarding number to be the number of their pay-per-minute line.”